| Class Number |
Class Name |
No. of Patents |
| 210/541 |
Adjuncts |
258 |
| 210/143 |
Automatic control |
903 |
| 210/148 |
Container movement operated |
7 |
| 210/145 |
Responsive to rotation |
29 |
| 210/146 |
Controlled cover latch |
13 |
| 210/147 |
Controlled discharge means |
16 |
| 210/144 |
Responsive to vibration or unbalance |
47 |
| 210/149 |
Thermal |
228 |
| 210/DIG.3 |
Belt alignment |
26 |
| 210/249 |
Bracket or leg support for static separator assembly |
132 |
| 210/250 |
Leg |
33 |
| 210/321.6 |
Casing divided by membrane into sections having inlet(s) and/or outlet(s) |
383 |
| 210/321.62 |
Antithrombogenic membrane |
16 |
| 210/321.83 |
Coiled membrane |
171 |
| 210/321.87 |
Cylindrical membrane |
221 |
| 210/321.88 |
Plural cylindrical membranes all connected for parallel flow |
172 |
| 210/321.89 |
All cylindrical membranes are parallel |
332 |
| 210/321.9 |
With embedded baffle |
71 |
| 210/321.71 |
Dialyzer with dialysate proportioning means |
166 |
| 210/321.72 |
Each section having inlet(s) and outlet(s) |
206 |
| 210/321.74 |
Coiled membrane |
148 |
| 210/321.78 |
Cylindrical membrane |
152 |
| 210/321.79 |
Plural cylindrical membranes all connected for parallel flow |
190 |
| 210/321.8 |
All cylindrical membranes are parallel |
393 |
| 210/321.81 |
With embedded baffle |
82 |
| 210/321.73 |
Noncoiled nonannular cross section tube |
11 |
| 210/321.75 |
Planar membrane |
334 |
| 210/321.76 |
Spiral flow |
52 |
| 210/321.77 |
Pleated membrane |
45 |
| 210/321.66 |
Energy recovery from treated liquid |
41 |
| 210/321.67 |
Membrane movement during purification |
76 |
| 210/321.68 |
Nontranslatory rotary |
84 |
| 210/321.61 |
Membrane secured with adhesive of specified composition |
69 |
| 210/321.82 |
Noncoiled nonannular cross section tube |
12 |
| 210/321.65 |
Permeated liquid quantity measurement or control |
247 |
| 210/321.84 |
Planar membrane |
382 |
| 210/321.85 |
Spiral flow |
71 |
| 210/321.86 |
Pleated membrane |
53 |
| 210/321.64 |
Plural diverse structured membranes within a single casing |
96 |
| 210/321.63 |
Rotating mechanical agitator adjacent membrane |
49 |
| 210/321.69 |
With membrane cleaning or sterlizing means (other than by filter movement or rotating agitator) |
277 |
| 210/321.7 |
Solid cleaning material (e.g., balls) |
5 |
| 210/DIG.5 |
Coalescer |
309 |
| 210/251 |
Combined |
225 |
| 210/173 |
Comminuting |
122 |
| 210/174 |
Cylindrical strainer |
21 |
| 210/96.1 |
Constituent mixture variation responsive |
651 |
| 210/96.2 |
With membrane |
182 |
| 210/239 |
Convertible |
44 |
| 210/240 |
Filter having selectively usable flow connector means |
32 |
| 210/DIG.6 |
Dehydrators |
65 |
| 210/294 |
Diverse distinct separators |
85 |
| 210/295 |
Including a filter |
347 |
| 210/299 |
Including constituent trapping feature |
125 |
| 210/300 |
Alternate filters and traps in series |
27 |
| 210/301 |
Plural traps |
20 |
| 210/305 |
Baffle preceding or within sediment trap |
144 |
| 210/306 |
Deflecting prefilt from filter medium |
40 |
| 210/303 |
Cut-off sediment trap |
12 |
| 210/308 |
Directly communicating with tubular filter interior |
22 |
| 210/309 |
Attached to filter element |
25 |
| 210/311 |
Downflow inlet, upflow through filter medium |
59 |
| 210/307 |
Downstream of filter medium |
81 |
| 210/302 |
Flow-line valve upstream of separator |
12 |
| 210/310 |
Lateral trap |
17 |
| 210/312 |
Sediment discharge means |
60 |
| 210/313 |
Valve controlled |
81 |
| 210/304 |
Tangential flow, spiral or convolute baffle |
206 |
| 210/296 |
Including liquid as a separating medium |
24 |
| 210/297 |
Moving filter medium |
142 |
| 210/314 |
Spaced filters |
173 |
| 210/317 |
Including non-self-supporting medium |
103 |
| 210/318 |
Incompatible shapes |
7 |
| 210/316 |
One adjacent inlet or outlet conduit |
120 |
| 210/315 |
One within another |
239 |
| 210/298 |
With mechanical residue or sediment mover |
91 |
| 210/319 |
With agitator |
57 |
| 210/320 |
With baffle perpendicular to flow direction |
147 |
| 210/DIG.7 |
Drier blocks |
12 |
| 210/243 |
Electrical insulating or electricity discharging |
397 |
| 210/DIG.8 |
Fat fryer |
109 |
| 210/348 |
Filter |
83 |
| 210/417 |
Alternating oppositely opening liquid distributors |
14 |
| 210/433.1 |
Divided filtered, and unfiltered liquid passages |
249 |
| 210/434 |
Recombining |
87 |
| 210/353 |
Free cleaning means, e.g., loose abrading particles |
19 |
| 210/470 |
Handled |
189 |
| 210/471 |
Ring type |
31 |
| 210/358 |
Imperforate drum, medium on arc, chord or end |
16 |
| 210/500.1 |
Material |
207 |
| 210/506 |
Coated or impregnated, e.g., adhesively bound |
371 |
| 210/507 |
Fabrics |
114 |
| 210/508 |
Fibrous |
338 |
| 210/509 |
Inorganic |
139 |
| 210/503 |
Diverse granular or fibrous |
283 |
| 210/505 |
Including fibers |
398 |
| 210/504 |
With adhered coating or impregnant |
254 |
| 210/510.1 |
Porous unitary mass |
550 |
| 210/500.21 |
Semipermeable membrane |
220 |
| 210/500.24 |
Antithrombogenic coating or membrane |
57 |
| 210/500.26 |
Glass |
183 |
| 210/500.23 |
Hollow fiber or cylinder |
786 |
| 210/500.22 |
Isotropically pored |
74 |
| 210/500.25 |
Metal containing |
252 |
| 210/500.27 |
Organic |
483 |
| 210/500.35 |
Acrylate |
159 |
| 210/500.36 |
Alkene other than vinyl |
339 |
| 210/500.37 |
Amine |
201 |
| 210/500.38 |
Amide |
406 |
| 210/500.39 |
Imide |
157 |
| 210/500.4 |
Carbonate |
46 |
| 210/500.28 |
Cyclic |
188 |
| 210/500.29 |
Cellulosic |
227 |
| 210/500.3 |
Cellulose acetate |
101 |
| 210/500.31 |
Cellulose diacetate |
41 |
| 210/500.32 |
Cellulose triacetate |
48 |
| 210/500.33 |
Homocyclic |
95 |
| 210/500.34 |
Styrene |
93 |
| 210/500.41 |
Sulfone |
379 |
| 210/500.42 |
Vinyl |
339 |
| 210/500.43 |
Acrylonitrile |
133 |
| 210/502.1 |
Sorptive component containing |
1119 |
| 210/501 |
Sterilizing or neutralizing agent containing |
202 |
| 210/354 |
Medium, cleaner or agitator moved by fluid |
64 |
| 210/355 |
Cleaner |
52 |
| 210/356 |
Medium flexed |
97 |
| 210/359 |
Movable medium |
147 |
| 210/400 |
Belt type |
401 |
| 210/401 |
Superimposed on additional moving support |
215 |
| 210/360.1 |
Centrifugal extractor |
330 |
| 210/364 |
Casing, shaft and filter unit gyratorily mounted |
11 |
| 210/369 |
Discharging residue |
90 |
| 210/372 |
By residue engaging means |
24 |
| 210/376 |
Axially reciprocable |
38 |
| 210/373 |
Fixed |
38 |
| 210/374 |
Rotatable |
84 |
| 210/375 |
Pivoted |
23 |
| 210/370 |
Secondary motion of filter medium |
30 |
| 210/371 |
With variable flow controller |
17 |
| 210/367 |
Filter gyratorily mounted on shaft |
13 |
| 210/378 |
Including filtrate receiving means having plural filtrate outlets |
46 |
| 210/379 |
Including filtrate receiving trough adjacent top discharge |
11 |
| 210/377 |
Internal work distributor |
77 |
| 210/380.1 |
Rotating element construction |
314 |
| 210/380.3 |
Horizontal axis |
77 |
| 210/381 |
Inwardly extending partitions |
16 |
| 210/380.2 |
Laundry |
16 |
| 210/382 |
Top filtrate discharge |
12 |
| 210/365 |
Shaft and filter unit gyratorily mounted |
21 |
| 210/366 |
Gyratory mounting above filter |
7 |
| 210/363 |
With adjustable rotation stabilizer |
18 |
| 210/361 |
With individual article container or support |
44 |
| 210/362 |
Container or support reversible |
2 |
| 210/360.2 |
With inward flow of feed component |
49 |
| 210/368 |
With rotation brake |
11 |
| 210/402 |
Drum type |
282 |
| 210/404 |
Annular segmented compartment |
116 |
| 210/403 |
Internal feed |
111 |
| 210/390 |
Mounted on movable valve element |
23 |
| 210/386 |
Rolls or confining members contacting residue |
160 |
| 210/383 |
Separate agitator |
31 |
| 210/387 |
Unrollable |
151 |
| 210/388 |
Vibrating or longitudinally reciprocating |
182 |
| 210/389 |
Longitudinally moving prefilt type |
46 |
| 210/384 |
Vibrator and unidirectional motion filter medium |
50 |
| 210/391 |
With cleaning means |
209 |
| 210/393 |
Backwash or blowback and additional cleaner |
146 |
| 210/394 |
Discharging inside, e.g., internal-type drum |
72 |
| 210/392 |
Fixed position or attached valve blocking means |
31 |
| 210/396 |
Solid cleaner, e.g., scraper |
235 |
| 210/397 |
With plural outlets from filter casing |
37 |
| 210/395 |
With filter-driven valve means |
7 |
| 210/385 |
With plural motion |
27 |
| 210/398 |
Within sealed enclosure |
76 |
| 210/399 |
Movable casing |
11 |
| 210/405 |
Movable prefilt distributor |
60 |
| 210/459 |
Pipe or plate attached type |
103 |
| 210/460 |
Attached to open end of pipe |
270 |
| 210/463 |
Inserted holder |
76 |
| 210/462 |
Pipe is connection to plate |
45 |
| 210/461 |
Spaced wall-type element |
84 |
| 210/464 |
Portable receptacle draining type |
89 |
| 210/465 |
Cooperating handles on receptacle and drainer |
16 |
| 210/469 |
On or adjacent receptacle upper edge |
85 |
| 210/466 |
Receptacle spout |
23 |
| 210/468 |
Spaced from spout discharge |
7 |
| 210/467 |
Within receptacle proper |
26 |
| 210/456 |
Prefilt flow distributor or diverter |
572 |
| 210/349 |
Pulsation dampener or gas trapping |
36 |
| 210/455 |
Receptacle and modified spacing surface or support for filter medium |
449 |
| 210/357 |
Relatively movable members interleaved for cleaning |
43 |
| 210/473 |
Resting on supporting receiver, e.g., portable |
111 |
| 210/482 |
At lower end or prefilt receiver |
119 |
| 210/474 |
At upper edge of filtrate receiver |
395 |
| 210/475 |
Filter offset in cover |
33 |
| 210/476 |
Telescoped receivers or receiver sections |
26 |
| 210/477 |
Resting on internal stop or surface |
205 |
| 210/479 |
Inner separate retainer |
45 |
| 210/480 |
With contractor for expandable retainer |
12 |
| 210/481 |
Longitudinal retainer or guide, (e.g., reflex coffee maker) |
31 |
| 210/478 |
Unitary filter medium and radially expandable retainer |
17 |
| 210/483 |
Supported, shaped or superimposed formed mediums |
248 |
| 210/488 |
Abutted or superimposed members |
360 |
| 210/492 |
Alternating dissimilar |
128 |
| 210/489 |
For series flow |
501 |
| 210/490 |
Integral or coated layers |
794 |
| 210/491 |
All fibrous |
96 |
| 210/496 |
Bound, fused or matted, e.g., porous shapes, sponges, etc. |
274 |
| 210/494.1 |
Convolute |
93 |
| 210/494.2 |
Metal |
27 |
| 210/494.3 |
With edge spacer |
16 |
| 210/497.01 |
Cylindrical, conical, or trough shape |
613 |
| 210/497.3 |
Conical |
126 |
| 210/497.2 |
Filter blank |
103 |
| 210/497.1 |
Helically wound |
271 |
| 210/485 |
External cage-type support |
114 |
| 210/484 |
Medium within foraminous supporting container or sheath |
291 |
| 210/498 |
Perforated or grooved plates |
279 |
| 210/493.1 |
Pleated |
316 |
| 210/493.2 |
Bonded end caps |
229 |
| 210/493.5 |
Filter element |
266 |
| 210/493.3 |
Rectangularly shaped |
85 |
| 210/493.4 |
Spirally formed |
81 |
| 210/499 |
Screens, e.g., woven |
417 |
| 210/495 |
Single ring or closed frame type |
109 |
| 210/486 |
Spaced wall type, e.g., hollow leaf |
279 |
| 210/487 |
Concentric, convolute or pleated |
134 |
| 210/406 |
Vacuumized filtrate receiver |
305 |
| 210/472 |
Vented |
261 |
| 210/457 |
With central pervious tubular receiver |
205 |
| 210/458 |
Plural concentric receivers |
45 |
| 210/418 |
With flow controller for material being treated |
184 |
| 210/419 |
Attached to or within portable prefilt receiver |
30 |
| 210/428 |
Combining or dividing flow passages with filter in combined passage |
53 |
| 210/429 |
Filter coaxial with valve seat or valve stem |
93 |
| 210/431 |
Filter fixed to valve seat, opposed to valve head |
18 |
| 210/430 |
Filter surrounds valve |
73 |
| 210/432 |
Filter in valve body recess |
45 |
| 210/420 |
Selective directive flow relative to filter |
125 |
| 210/427 |
Backwash |
75 |
| 210/424 |
Multi-way valve |
111 |
| 210/425 |
Backwash |
51 |
| 210/426 |
Encased |
23 |
| 210/421 |
Pivoted prefilt deflector |
20 |
| 210/422 |
Plural outlets from filter casing |
52 |
| 210/423 |
Attached unitary plural passage header |
20 |
| 210/350 |
With movable means to compress medium |
160 |
| 210/351 |
Actuating means external of closed casing |
62 |
| 210/352 |
Internal spring |
59 |
| 210/416.1 |
With pump, gas pressure, or suction source |
786 |
| 210/416.2 |
For aquarium or swimming pool |
509 |
| 210/416.3 |
For drinking water |
140 |
| 210/416.4 |
For fuel system |
193 |
| 210/416.5 |
For lubricating or oil treating system |
224 |
| 210/407 |
With residue removing means or agitation of liquid |
174 |
| 210/408 |
Diverse, e.g., combined agitators, scrapers, aeration blowback |
175 |
| 210/413 |
Fixed filter medium and movable stirrer or cleaner |
272 |
| 210/415 |
Nontranslatory rotary |
253 |
| 210/414 |
With plural outlets from filter casing |
120 |
| 210/409 |
Fluid cleaning |
229 |
| 210/410 |
Air pump type |
30 |
| 210/411 |
Backwash or blowback |
472 |
| 210/412 |
Liquid pulsator |
76 |
| 210/435 |
Within flow line or flow line connected close casing |
308 |
| 210/446 |
Axially aligned inlet and outlet |
387 |
| 210/447 |
Laterally removable |
126 |
| 210/449 |
Pipe end attached closed casing, e.g., faucet |
107 |
| 210/448 |
Single open-end-type filter element |
204 |
| 210/437 |
Central internal liquid receiver, e.g., tube |
144 |
| 210/441 |
Attached to casing |
82 |
| 210/442 |
Head and base connected |
48 |
| 210/438 |
Imperforate central liquid tube |
135 |
| 210/439 |
Axial flow through filter element |
60 |
| 210/440 |
Inlet and outlet at same end |
405 |
| 210/445 |
Clamped in casing joint |
274 |
| 210/454 |
Filter element attached to closure |
119 |
| 210/453 |
Filter element clamped between closure and end wall |
203 |
| 210/450 |
Gasket within casing or spaced removable end members |
664 |
| 210/443 |
Inlet and outlet at same end |
350 |
| 210/444 |
Filter suspended from head |
271 |
| 210/451 |
Internal fixed shoulder supporting filter element |
219 |
| 210/452 |
Single open-end-type filter element |
182 |
| 210/436 |
Vented |
325 |
| 210/247 |
Filtrate splash plate and/or deflector |
89 |
| 210/DIG.9 |
Floating cover |
23 |
| 210/97 |
Flow, fluid pressure or material level, responsive |
485 |
| 210/136 |
Check valve |
545 |
| 210/109 |
Discharge of treated material |
211 |
| 210/117 |
Check valve controlled |
133 |
| 210/119 |
Float type |
30 |
| 210/118 |
Non-closing, e.g., sand valve |
4 |
| 210/112 |
Heavier constituent |
75 |
| 210/114 |
By treated liquid accumulation |
63 |
| 210/113 |
By weight of solids |
19 |
| 210/115 |
With lighter constituent outlet control |
63 |
| 210/116 |
Permitted by filtrate accumulation |
33 |
| 210/111 |
Responsive to prefilt accumulation or filter clogging |
72 |
| 210/110 |
With separator inlet control |
121 |
| 210/103 |
Diverse sensing means |
178 |
| 210/104 |
Responsive to material level |
442 |
| 210/105 |
With control for auxiliary liquid inlet |
65 |
| 210/106 |
Filter cleaning |
134 |
| 210/108 |
Backwash or blowback |
295 |
| 210/107 |
Rotary movement of filter or mechanical cleaner |
106 |
| 210/121 |
Float |
141 |
| 210/122 |
Controls movable separator |
108 |
| 210/123 |
Controls valve |
149 |
| 210/127 |
Additional fluid inlet control |
33 |
| 210/124 |
Controls flow between two separators |
23 |
| 210/128 |
Float in receptacle other than that of separator |
62 |
| 210/129 |
In flow between inlet and separator |
19 |
| 210/126 |
Float in separate rehabilitating fluid tank |
14 |
| 210/125 |
Separator between float and valve |
11 |
| 210/100 |
Flow cut-off requiring reset |
69 |
| 210/98 |
Fluid current controlled cyclic system |
83 |
| 210/130 |
Fluid pressure responsive by-pass |
260 |
| 210/131 |
By movement of separation medium |
58 |
| 210/133 |
In inlet and outlet closure header |
49 |
| 210/132 |
With additional separation or treating means |
71 |
| 210/137 |
Maintaining stream pressure or flow |
361 |
| 210/134 |
Plural elements controlled |
230 |
| 210/135 |
Including manually controlled element |
25 |
| 210/99 |
Prefilt deverting to drain by prefilt accumulation |
15 |
| 210/102 |
Programming plural units |
35 |
| 210/101 |
Proportionate feed means |
256 |
| 210/120 |
Vent control |
131 |
| 210/513 |
Gravitational separator |
172 |
| 210/532.1 |
Heavier constituent trap, chamber, or recess |
431 |
| 210/533 |
Closure or valve controlled discharge |
111 |
| 210/536 |
In side wall of separator |
42 |
| 210/534 |
In sloping recess |
89 |
| 210/535 |
Downstream of separator |
30 |
| 210/537 |
With discharge means for two or more lighter constituents |
64 |
| 210/532.2 |
Septic tank |
275 |
| 210/538 |
Lighter constituent trap |
146 |
| 210/539 |
Gas vent or bypass |
126 |
| 210/540 |
With discharge port |
417 |
| 210/519 |
Material supply distributor |
329 |
| 210/520 |
Rotatable |
47 |
| 210/523 |
Mechanical constituent mover |
176 |
| 210/524 |
Diverse serial |
25 |
| 210/526 |
Endless belt or chain |
121 |
| 210/528 |
Horizontally rotating scraper |
112 |
| 210/531 |
Elevatable scrapers |
30 |
| 210/529 |
Polygonal container and correlating mover |
2 |
| 210/530 |
Tank rim-supported carriage |
42 |
| 210/527 |
Rectilinearly movable supporting means |
84 |
| 210/525 |
Scum sediment removal |
200 |
| 210/514 |
Portable invertible, e.g., milk and cream separator |
52 |
| 210/516 |
Resilient deformable isolator |
133 |
| 210/517 |
Hinged to handle |
5 |
| 210/518 |
Sectional isolator |
71 |
| 210/515 |
Selective withdrawal of constituents |
66 |
| 210/521 |
Superposed compartments or baffles, e.g., parallel plate type |
564 |
| 210/522 |
Each with lighter constituent discharge |
201 |
| 210/929 |
Hemoultrafiltrate volume measurement or control processes |
145 |
| 210/511 |
Liquid as separating medium |
218 |
| 210/222 |
Magnetic |
843 |
| 210/223 |
With additional separator |
380 |
| 210/902 |
Materials removed |
39 |
| 210/917 |
Color |
167 |
| 210/911 |
Cumulative poison |
128 |
| 210/912 |
Heavy metal |
728 |
| 210/913 |
Chromium |
217 |
| 210/914 |
Mercury |
158 |
| 210/915 |
Fluorine containing |
92 |
| 210/903 |
Nitrogenous |
627 |
| 210/904 |
-cn containing |
155 |
| 210/905 |
Protein |
81 |
| 210/916 |
Odor (including control or abatement) |
224 |
| 210/908 |
Organic |
509 |
| 210/909 |
Aromatic compound (e.g., pcb, phenol, etc.) |
388 |
| 210/910 |
Nonbiodegradable surfacant |
20 |
| 210/906 |
Phosphorus containing |
337 |
| 210/907 |
Phosphate slimes |
64 |
| 210/918 |
Miscellaneous specific techniques |
27 |
| 210/921 |
Flow equalization or time controlled stages or cycles |
41 |
| 210/922 |
Oil spill cleanup (e.g., bacterial, etc.) |
85 |
| 210/925 |
Using chemical agent |
146 |
| 210/923 |
Using mechanical means (e.g., skimmers, pump, etc.) |
467 |
| 210/924 |
Using physical agent (e.g., sponge, mop, etc.) |
269 |
| 210/919 |
Using combined systems by merging parallel diverse waste systems |
85 |
| 210/920 |
Using combined systems of sequential local and regional or municipal sewage systems |
29 |
| 210/926 |
Using oxidation ditch (e.g., carousel, etc.) |
79 |
| 210/542 |
Miscellaneous |
102 |
| 210/930 |
Paint detackifying |
87 |
| 210/928 |
Paper mill waste (e.g., white water, black liquor, etc.) treated |
254 |
| 210/DIG.13 |
Part flow-full flow |
43 |
| 210/263 |
Particulate material type separator, e.g., ion exchange or sand bed |
228 |
| 210/285 |
Embedded baffle |
47 |
| 210/286 |
Vertical |
72 |
| 210/268 |
Gravity flow of particles type |
85 |
| 210/291 |
Particular liquid receiving means or foraminous bed retainer |
152 |
| 210/293 |
Floor type, e.g., false bottom |
140 |
| 210/292 |
Hood or top protector type |
19 |
| 210/283 |
Pervious divider between and contacting beds |
168 |
| 210/282 |
Removable cartridge or hand-manipulated container |
718 |
| 210/264 |
Selective units or compartments |
176 |
| 210/284 |
Spaced beds |
307 |
| 210/267 |
Trunnion mounted casing |
27 |
| 210/265 |
With gravitational separator |
113 |
| 210/290 |
With multi-layer beds |
219 |
| 210/269 |
With rehabilitation means |
173 |
| 210/275 |
Backwash or blowback means |
263 |
| 210/277 |
Flow controller external of closed casing |
48 |
| 210/278 |
Multi-way valve unit |
82 |
| 210/279 |
With embedded fluid distributor |
128 |
| 210/276 |
With mechanical agitator or residue remover |
21 |
| 210/274 |
Including means to apply gas to bed |
178 |
| 210/270 |
Movable means for particle pickup and redeposit |
15 |
| 210/271 |
Surface traversing type |
27 |
| 210/273 |
Moving fluid distributor |
21 |
| 210/272 |
Rotating on stationary axis |
13 |
| 210/281 |
With access opening to normally closed casing |
21 |
| 210/280 |
With agitator |
21 |
| 210/266 |
With spaced non-particulate separating means |
567 |
| 210/287 |
Within flow line or flow line connected closed casing |
141 |
| 210/288 |
Conduit through bed, inlet and outlet at same end of casing |
107 |
| 210/289 |
With particular liquid receiving means or foraminous bed retainer |
176 |
| 210/189 |
Plural chambers with movement of granules therebetween |
155 |
| 210/322 |
Plural distinct separators |
65 |
| 210/323.1 |
Filters |
190 |
| 210/344 |
Abutted alternating medium and pan type receiver |
41 |
| 210/343 |
Alternating oppositely opening liquid distributors |
11 |
| 210/335 |
In series for prefilt flow |
232 |
| 210/339 |
Internal flange supporting filter element |
38 |
| 210/337 |
Nested units |
36 |
| 210/338 |
Concentric filter elements |
99 |
| 210/336 |
Tortuous path |
61 |
| 210/324 |
Movable separating elements |
41 |
| 210/330 |
Connected for group operation |
124 |
| 210/331 |
Spaced filter wall type, e.g., multiple hollow leaves |
160 |
| 210/326 |
Drum type on parallel axis |
24 |
| 210/328 |
Pivotally mounted sections |
31 |
| 210/325 |
Planetary |
14 |
| 210/327 |
Plural cleaners and plural movable elements |
46 |
| 210/329 |
Relatively movable |
33 |
| 210/342 |
One element within another |
116 |
| 210/340 |
Parallel filters with flow controller |
172 |
| 210/341 |
Individually controlled for removal with common receiver |
68 |
| 210/345 |
Radial or radially connected to central header |
78 |
| 210/346 |
Spaced wall-type filters |
221 |
| 210/347 |
Central header |
88 |
| 210/323.2 |
Tubular |
500 |
| 210/332 |
With residue removal or liquid agitation |
159 |
| 210/334 |
Alternating filter and residue remover |
48 |
| 210/333.01 |
Backwash or blowback |
246 |
| 210/333.1 |
Sequential backwash |
118 |
| 210/244 |
Portable receptacle with hood or closure |
93 |
| 210/245 |
Attached variable flow controller |
14 |
| 210/246 |
Limited opening cover |
4 |
| 210/600 |
Processes |
75 |
| 210/749 |
Chemical treatment |
487 |
| 210/757 |
By chemical reduction |
326 |
| 210/758 |
By oxidation |
602 |
| 210/763 |
Catalytic |
361 |
| 210/761 |
Liquid phase high temperature and pressure (e.g., "wet air", etc.) |
214 |
| 210/762 |
Catalytic |
81 |
| 210/760 |
Utilizing ozone |
611 |
| 210/759 |
Utilizing peroxy compound (e.g., hydrogen peroxide, peracid, etc.) |
440 |
| 210/764 |
Destroying microorganisms |
981 |
| 210/750 |
Including degassing |
276 |
| 210/765 |
Including liquid recirculation |
242 |
| 210/766 |
Including temperature change |
158 |
| 210/752 |
Plural spaced feedings |
156 |
| 210/753 |
Utilizing halogen or halogen containing material |
153 |
| 210/754 |
Chlorine or bromine containing |
422 |
| 210/756 |
Hypochlorite |
180 |
| 210/755 |
Organic |
178 |
| 210/656 |
Chromatography |
1967 |
| 210/659 |
Including liquid flow diversion |
436 |
| 210/658 |
Utilizing paper or thin layer plate |
111 |
| 210/657 |
Utilizing rotating column |
92 |
| 210/633 |
Extracting utilizing solid solute |
46 |
| 210/739 |
Including controlling process in response to a sensed condition |
667 |
| 210/740 |
Density or specific gravity sensing |
54 |
| 210/746 |
Electrical property sensing |
207 |
| 210/744 |
Level sensing |
337 |
| 210/743 |
Ph sensing |
162 |
| 210/741 |
Pressure sensing |
328 |
| 210/742 |
Temperature sensing |
135 |
| 210/745 |
Turbidity or optically sensing |
215 |
| 210/747 |
Including geographic feature (e.g., drainage ditch, septic, pond) |
978 |
| 210/660 |
Ion exchange or selective sorption |
503 |
| 210/662 |
And liquid testing or volume measuring |
217 |
| 210/661 |
By passing through suspended bed |
203 |
| 210/663 |
Including diverse separating or treating of liquid |
240 |
| 210/668 |
By chemically modifying or inhibiting dispersed constituent |
201 |
| 210/664 |
By distilling or degassing |
110 |
| 210/665 |
By making an insoluble substance or accreting suspended constituents |
137 |
| 210/667 |
Utilizing aluminum, calcium, or iron containing agent |
127 |
| 210/666 |
Utilizing organic agent |
89 |
| 210/669 |
Prior to ion exchange or sorption |
352 |
| 210/670 |
Including rehabilitating or regenerating exchange material or sorbent |
468 |
| 210/672 |
Fractional, selective, or partial type |
60 |
| 210/678 |
Including liquid flow direction change |
94 |
| 210/671 |
Of oil sorbent material |
77 |
| 210/675 |
Rehabilitating or regenerating in diverse zone or chamber |
87 |
| 210/676 |
Continuous cyclic process |
93 |
| 210/677 |
Using conserved or recirculated fluid |
137 |
| 210/673 |
Utilizing gas, water, or chemical oxidizing or reducing agent |
246 |
| 210/674 |
Utilizing organic regenerant |
131 |
| 210/681 |
Removing ions |
356 |
| 210/683 |
Anions |
306 |
| 210/685 |
Including cation |
153 |
| 210/686 |
Utilizing mixed bed or amphoteric material |
104 |
| 210/684 |
Metal complexed (e.g., chromate, ferricyanide, chlorplatinate, etc.) |
167 |
| 210/687 |
Calcium or magnesium (e.g., hardness, water softening, etc.) |
171 |
| 210/688 |
Heavy metal |
718 |
| 210/682 |
Radioactive |
314 |
| 210/690 |
Sorbing organic constituent |
226 |
| 210/691 |
From aqueous material |
400 |
| 210/694 |
Utilizing activated carbon |
341 |
| 210/692 |
Utilizing synthetic resin |
244 |
| 210/693 |
Oil removed |
153 |
| 210/689 |
Sorbing water from diverse liquid |
104 |
| 210/679 |
Utilizing exchange or sorbent material associated with inert material |
475 |
| 210/680 |
Including oil sorbent |
82 |
| 210/634 |
Liquid/liquid solvent or colloidal extraction or diffusing or passing through septum selective as to material of a component of liquid; such diffusing or passing being effected by other than only an ion exchange or sorption process |
767 |
| 210/644 |
Diffusing or passing through septum selective as to material of a component in liquid/liquid solvent or colloidal extraction |
264 |
| 210/645 |
Biological fluid (e.g., blood, urine, etc.) |
467 |
| 210/646 |
Hemodialysis |
478 |
| 210/647 |
Maintaining critical concentration(s) |
125 |
| 210/648 |
Including regenerating or rehabilitating the extracting liquid in liquid/liquid solvent or colloidal extraction |
51 |
| 210/649 |
Diffusing or passing through septum selective as to material of a component of liquid |
181 |
| 210/650 |
Filtering through membrane (e.g., ultrafiltration) |
811 |
| 210/652 |
Hyperfiltration (e.g., reverse osmosis, etc.) |
564 |
| 210/653 |
Utilizing specified membrane material |
193 |
| 210/655 |
Cellulosic |
48 |
| 210/654 |
Synthetic resin |
295 |
| 210/651 |
Removing specified material |
1081 |
| 210/642 |
Extracting water from brine utilizing liquid/liquid solvent or colloidal extraction |
33 |
| 210/636 |
Including cleaning or sterilizing of apparatus |
390 |
| 210/638 |
Including ion exchange or other chemical reaction |
757 |
| 210/639 |
Including prior use of additive (e.g., changing ph, etc.) |
423 |
| 210/637 |
Including regulating pressure to control constituent gradient at membrane or to prevent rupture of membrane |
138 |
| 210/635 |
Liquid/liquid or gel type (i.e., jellylike) chromatography |
930 |
| 210/640 |
Passing through membrane in vapor phase |
362 |
| 210/643 |
Utilizing liquid membrane (e.g., emulsion) in liquid/liquid solvent or colloidal extraction |
90 |
| 210/641 |
Utilizing plural diverse membranes |
232 |
| 210/702 |
Making an insoluble substance or accreting suspended constituents |
223 |
| 210/709 |
Controlling process in response to stream condition |
216 |
| 210/703 |
Effecting flotation |
290 |
| 210/704 |
Including chemical addition (with or without bouyancy gas) |
107 |
| 210/705 |
Chemically specified precipitant, coagulant, or flocculant |
235 |
| 210/706 |
And significant characteristic of the bouyancy gas, other than mere addition of same |
45 |
| 210/707 |
Generating gas in situ |
36 |
| 210/738 |
Including agitation |
285 |
| 210/719 |
Including chemical reduction |
156 |
| 210/720 |
Of chromium material |
62 |
| 210/718 |
Including degassing |
146 |
| 210/708 |
Including emulsion breaking |
444 |
| 210/721 |
Including oxidation |
311 |
| 210/722 |
Of iron or manganese material |
107 |
| 210/712 |
Including recycling |
392 |
| 210/713 |
Of separated solids |
170 |
| 210/716 |
Including step of manufacturing inorganic treating agent |
139 |
| 210/717 |
In situ |
122 |
| 210/737 |
Including temperature change |
320 |
| 210/714 |
Seeding |
165 |
| 210/715 |
Utilizing sludge or floc blanket |
55 |
| 210/710 |
Treating the insoluble substance |
293 |
| 210/711 |
For recovery of a treating agent |
140 |
| 210/729 |
Utilizing organic precipitant |
259 |
| 210/730 |
From natural source or chemical modification thereof |
174 |
| 210/731 |
Starch |
56 |
| 210/732 |
Synthetic polymer |
188 |
| 210/733 |
Acrylic |
97 |
| 210/734 |
Nitrogen containing (e.g., amine, azo, etc.) |
483 |
| 210/735 |
Nitrogen containing (e.g., amine, azo, etc.) |
295 |
| 210/736 |
Derived from alkyl halide or epihalophydrin reactant |
114 |
| 210/723 |
Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants |
239 |
| 210/728 |
Including organic agent |
476 |
| 210/724 |
Regulating ph |
554 |
| 210/725 |
Utilizing organic precipitant |
312 |
| 210/726 |
Sequential introduction |
249 |
| 210/727 |
Including organic agent |
491 |
| 210/696 |
Preventing, decreasing, or delaying precipitation, coagulation or flocculation |
204 |
| 210/697 |
Utilizing inorganic phosphorus agent |
127 |
| 210/698 |
Utilizing organic agent |
390 |
| 210/701 |
Acrylic polymer |
361 |
| 210/699 |
Phosphorus containing |
242 |
| 210/700 |
Nitrogen containing |
251 |
| 210/767 |
Separating |
801 |
| 210/805 |
And recirculating liquid |
711 |
| 210/787 |
Cyclonic, or centrifugal (e.g., whirling or helical motion or by vortex, etc.) |
696 |
| 210/788 |
Introducing liquid tangentially |
285 |
| 210/789 |
Isolating layer |
223 |
| 210/779 |
Discharging residue to prefilt |
30 |
| 210/790 |
Dividing and recombining |
92 |
| 210/799 |
Filtering immiscible liquids |
209 |
| 210/780 |
Including movement of filter during filtration |
205 |
| 210/781 |
Centrifugally extracting |
239 |
| 210/782 |
Blood |
334 |
| 210/785 |
Cleaning filter utilizing wave energy (e.g., vibrating, pulsating, etc.) |
92 |
| 210/786 |
Of particulate bed (e.g., fluidized or moving bed, etc.) |
49 |
| 210/783 |
Rotating belt |
153 |
| 210/784 |
Rotating drum |
155 |
| 210/777 |
Including precoating filter medium with filter aid |
185 |
| 210/778 |
With or by addition to prefilt |
147 |
| 210/773 |
Including preliminary conversion to liquid state |
80 |
| 210/808 |
Including specified pressure change |
193 |
| 210/774 |
Including temperature change |
630 |
| 210/775 |
Thermal diffusion |
10 |
| 210/768 |
Including treating separated solids |
164 |
| 210/769 |
Destroying cake or solid component |
139 |
| 210/770 |
Including drying (e.g., by squeezing or heating, etc.) |
336 |
| 210/771 |
By gas contact |
136 |
| 210/772 |
Washing with a fluid other than the prefilt |
188 |
| 210/806 |
Plural separating |
761 |
| 210/791 |
Rehabilitating or regenerating filter medium |
429 |
| 210/797 |
By diverse fluid |
126 |
| 210/798 |
Reverse flow |
172 |
| 210/792 |
Particulate bed |
73 |
| 210/796 |
Includng mechanical agitation |
18 |
| 210/793 |
Reverse flow |
111 |
| 210/794 |
Including addition of diverse fluid |
73 |
| 210/795 |
Expanded bed |
44 |
| 210/776 |
Skimming |
300 |
| 210/800 |
Utilizing gravitational force |
339 |
| 210/804 |
And additional diverse separation |
250 |
| 210/801 |
Including change of mainstream flow direction |
153 |
| 210/802 |
Utilizing parallel separation passages |
127 |
| 210/803 |
Including specified feature of settled solids removal |
199 |
| 210/807 |
Utilizing particulate bed |
188 |
| 210/632 |
Treating by enzyme |
169 |
| 210/601 |
Treatment by living organism |
236 |
| 210/606 |
Adding enzyme or releasing same by treating microorganism |
120 |
| 210/620 |
Aerobic treatment |
409 |
| 210/630 |
And anaerobic treatment |
311 |
| 210/629 |
And internally circulating the liquid |
268 |
| 210/621 |
Recirculating to prior step |
137 |
| 210/622 |
Of separated liquid |
183 |
| 210/623 |
Of sludge or separated solid |
129 |
| 210/624 |
And returning to or withdrawing from diverse treating zones |
110 |
| 210/626 |
To mainstream oxygenation (e.g., activated sludge, etc.) |
215 |
| 210/628 |
Utilizing mechanical aeration means |
42 |
| 210/627 |
Utilizing specific oxidant, other than air alone (e.g., oxygen-enriched air, ozone, peroxide, etc.) |
66 |
| 210/625 |
Treating outside mainstream |
93 |
| 210/605 |
Anaerobically, with subsequently aerobically treating liquid |
496 |
| 210/631 |
And additional treating agent other than mere mechanical manipulation (e.g., chemical, sorption, etc.) |
659 |
| 210/612 |
And regulating temperature during biological step |
158 |
| 210/613 |
Digesting sludge |
143 |
| 210/614 |
Controlling process in response to stream constituent or reactant concentration |
313 |
| 210/607 |
Dividing, treating, and recombining liquid |
107 |
| 210/610 |
Including adding ancillary growth medium for microorganism |
526 |
| 210/611 |
For or with specific microorganism |
318 |
| 210/603 |
Including collecting or storing gas (e.g., fuel, carbon monoxide, etc.) |
422 |
| 210/604 |
And reusing oxidant |
51 |
| 210/609 |
Including dewatering sludge |
208 |
| 210/602 |
Including plant or animal of higher order |
265 |
| 210/608 |
Regulating floating constituent |
110 |
| 210/615 |
Utilizing contact surfaces supporting microorganism (e.g., trickling filter, etc.) |
370 |
| 210/616 |
Particulate media |
230 |
| 210/617 |
In bed form |
401 |
| 210/618 |
And rehabilitating or regenerating same |
129 |
| 210/619 |
Rotating contactor |
85 |
| 210/695 |
Using magnetic force |
595 |
| 210/748 |
Utilizing electrical or wave energy (directly applied to liquid or material being treated) |
1418 |
| 210/194 |
Recirculation |
388 |
| 210/197 |
From bottom of separator |
324 |
| 210/196 |
Of filtrate |
385 |
| 210/195.1 |
Serially connected distinct treating or storage units |
740 |
| 210/195.3 |
With sediment recycle means directly to main stream |
291 |
| 210/195.4 |
Means is baffle slot |
63 |
| 210/195.2 |
With semipermeable membrane, e.g., dialyzer, etc. |
455 |
| 210/224 |
Sectional chamber press type |
58 |
| 210/227 |
Medium clamped in joint |
62 |
| 210/229 |
Imperforate base recess in plate |
29 |
| 210/228 |
With spacing frame |
53 |
| 210/231 |
Plates or frames |
167 |
| 210/226 |
With porous filler |
10 |
| 210/230 |
With repair or assembling means |
147 |
| 210/225 |
With residue removal or liquid agitation |
128 |
| 210/252 |
Serially connected distinct treating with or without storage units |
303 |
| 210/255 |
Cascade |
123 |
| 210/259 |
Diverse |
802 |
| 210/260 |
Including multiple operation unit |
139 |
| 210/262 |
On different levels |
186 |
| 210/261 |
One unit supports another |
123 |
| 210/256 |
One unit inside another |
234 |
| 210/253 |
Parallel |
139 |
| 210/254 |
With by-pass |
107 |
| 210/258 |
With pump, gas pressure or vacuum source |
636 |
| 210/257.1 |
With storage unit |
499 |
| 210/257.2 |
Having membrane |
508 |
| 210/901 |
Specified land fill feature (e.g., prevention of ground water fouling) |
92 |
| 210/153 |
Structural installation |
47 |
| 210/172 |
Ancillary to storage tank |
212 |
| 210/167 |
Closed circulating systems |
583 |
| 210/169 |
Aquarium or swimming pool |
1069 |
| 210/168 |
Lubrication |
338 |
| 210/154 |
Flume stream type |
65 |
| 210/160 |
Endless belt strainer |
74 |
| 210/162 |
Fixed strainer |
214 |
| 210/156 |
Fluid stream or residue operated |
27 |
| 210/157 |
Revolving cylindrical strainer |
11 |
| 210/155 |
Plural or diverse screens |
89 |
| 210/161 |
Revolving strainer |
46 |
| 210/159 |
With cleaner and means to remove residue therefrom |
124 |
| 210/158 |
With cleaner for movable strainer |
67 |
| 210/170 |
Geographic (e.g., drainage ditch, septic, pond) |
1188 |
| 210/163 |
Grated inlet surface drain |
255 |
| 210/166 |
Concentric guard ring or rib |
52 |
| 210/164 |
Flat grating at surface level |
193 |
| 210/165 |
With subsurface weep means |
33 |
| 210/171 |
Machinery |
147 |
| 210/512.1 |
Tangential flow or centrifugal fluid action |
869 |
| 210/512.2 |
Multiple cyclone |
201 |
| 210/512.3 |
With movable means affecting flow |
151 |
| 210/DIG.17 |
Twist-on |
259 |
| 210/900 |
Ultra pure water (e.g., conductivity water) |
139 |
| 210/85 |
With alarm, indicator, register, recorder, signal or inspection means |
600 |
| 210/90 |
Fluid pressure responsive |
440 |
| 210/93 |
In effluent conduit |
68 |
| 210/86 |
Material level or thickness responsive |
397 |
| 210/91 |
Position or extent of motion |
128 |
| 210/87 |
Responsive to fluid flow |
311 |
| 210/88 |
Meter-controlled cyclic systems |
30 |
| 210/89 |
With time control |
38 |
| 210/92 |
Test valve |
14 |
| 210/94 |
Transparent |
377 |
| 210/95 |
Sight glass |
118 |
| 210/248 |
With drip, overflow or content draining feature |
294 |
| 210/190 |
With external supply means for regenerating medium, e.g., water softening system |
101 |
| 210/191 |
With pump, injector or siphon |
40 |
| 210/188 |
With gas separator |
602 |
| 210/150 |
With gas-liquid surface contact means |
658 |
| 210/151 |
With separator |
480 |
| 210/175 |
With heater or heat exchanger |
273 |
| 210/182 |
Diverse separators |
117 |
| 210/183 |
Common casing coaxial with heater |
17 |
| 210/181 |
Flow line connected in series with distinct separator |
308 |
| 210/184 |
For filter |
221 |
| 210/186 |
External of casing |
142 |
| 210/185 |
Imbedded or between filter media |
36 |
| 210/176 |
Thermal diffusion |
14 |
| 210/180 |
Vapor or gas removal |
356 |
| 210/179 |
With mechanical agitator or movable separator |
93 |
| 210/177 |
With treating fluid addition |
152 |
| 210/178 |
With mechanical agitator or movable separator |
64 |
| 210/187 |
Within gravitational separator |
116 |
| 210/198.1 |
With means to add treating material |
628 |
| 210/198.2 |
Chromatography |
2078 |
| 210/198.3 |
Thin layer, e.g., plate, etc. |
107 |
| 210/209 |
Directly applied to separator |
232 |
| 210/218 |
Gas removed from closed tank |
237 |
| 210/216 |
Moving filter medium |
25 |
| 210/217 |
Drum |
27 |
| 210/220 |
Submerged fluid inlet |
810 |
| 210/221.1 |
With outlet at surface, e.g., froth flotation, etc. |
163 |
| 210/221.2 |
And gas injecting means other than by mechanical agitation |
670 |
| 210/210 |
To interior of moving filter, e.g., drum |
20 |
| 210/211 |
Through separator supporting rotary shaft |
9 |
| 210/213 |
With coaxial rotary impeller or distributor |
9 |
| 210/215 |
With effluent dividing means |
5 |
| 210/212 |
With stationary casing closure feature |
5 |
| 210/214 |
With stationary mount for movable distributor |
3 |
| 210/219 |
With mechanical agitator |
291 |
| 210/200 |
Plural distinct separators |
26 |
| 210/203 |
Filters |
137 |
| 210/204 |
Sectional chamber press type |
5 |
| 210/201 |
Serially connected |
117 |
| 210/202 |
Diverse type |
580 |
| 210/199 |
Spaced along flow path |
429 |
| 210/205 |
With distinct reactor tank, trough or compartment |
778 |
| 210/206 |
Chemical holder in series with separator |
428 |
| 210/207 |
Within gravitational separator |
148 |
| 210/208 |
With mechanical agitator |
118 |
| 210/241 |
With movable support |
369 |
| 210/242.1 |
Float |
427 |
| 210/242.2 |
With aerating means |
166 |
| 210/242.3 |
With oil water skimmer |
438 |
| 210/242.4 |
With oil water sorption means |
114 |
| 210/193 |
With precoat adding or applying means |
135 |
| 210/192 |
With preliminary chemical manufacture |
502 |
| 210/141 |
With program actuator |
84 |
| 210/142 |
Plural treating units or sections sequentially controlled |
71 |
| 210/232 |
With repair or assembling means |
1724 |
| 210/237 |
Hoist or handle means |
122 |
| 210/238 |
Hand manipulable |
430 |
| 210/233 |
Piercing or closure knock out means |
29 |
| 210/235 |
Placement of container opens flow controller |
88 |
| 210/234 |
Removable treatment part with normally disabled flow controller |
126 |
| 210/236 |
Sliding or rolling on guide means |
195 |
| 210/138 |
With time control |
364 |
| 210/139 |
Of additional fluid |
94 |
| 210/140 |
Preparation for treating operation |
76 |
