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Class Information
Number: 210/167.1
Name: Liquid purification or separation >
Description:
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 210/138 |
With time control |
356 |
| 210/141 |
With program actuator |
82 |
| 210/143 |
Automatic control |
865 |
| 210/150 |
With gas-liquid surface contact means |
622 |
| 210/153 |
Structural installation |
46 |
| 210/173 |
Comminuting |
115 |
| 210/175 |
With heater or heat exchanger |
262 |
| 210/188 |
With gas separator |
589 |
| 210/189 |
Plural chambers with movement of granules therebetween |
152 |
| 210/190 |
With external supply means for regenerating medium, e.g., water softening system |
97 |
| 210/192 |
With preliminary chemical manufacture |
485 |
| 210/193 |
With precoat adding or applying means |
135 |
| 210/194 |
Recirculation |
370 |
| 210/198.1 |
With means to add treating material |
593 |
| 210/222 |
Magnetic |
818 |
| 210/224 |
Sectional chamber press type |
57 |
| 210/232 |
With repair or assembling means |
1,667 |
| 210/239 |
Convertible |
44 |
| 210/241 |
With movable support |
354 |
| 210/243 |
Electrical insulating or electricity discharging |
386 |
| 210/244 |
Portable receptacle with hood or closure |
91 |
| 210/247 |
Filtrate splash plate and/or deflector |
88 |
| 210/248 |
With drip, overflow or content draining feature |
283 |
| 210/249 |
Bracket or leg support for static separator assembly |
128 |
| 210/251 |
Combined |
218 |
| 210/252 |
Serially connected distinct treating with or without storage units |
286 |
| 210/263 |
Particulate material type separator, e.g., ion exchange or sand bed |
215 |
| 210/294 |
Diverse distinct separators |
82 |
| 210/321.6 |
Casing divided by membrane into sections having inlet(s) and/or outlet(s) |
345 |
| 210/322 |
Plural distinct separators |
64 |
| 210/348 |
Filter |
79 |
| 210/511 |
Liquid as separating medium |
212 |
| 210/512.1 |
Tangential flow or centrifugal fluid action |
846 |
| 210/513 |
Gravitational separator |
169 |
| 210/541 |
Adjuncts |
249 |
| 210/542 |
Miscellaneous |
99 |
| 210/600 |
Processes |
71 |
| 210/85 |
With alarm, indicator, register, recorder, signal or inspection means |
576 |
| 210/900 |
Ultra pure water (e.g., conductivity water) |
138 |
| 210/901 |
Specified land fill feature (e.g., prevention of ground water fouling) |
92 |
| 210/902 |
Materials removed |
36 |
| 210/918 |
Miscellaneous specific techniques |
27 |
| 210/928 |
Paper mill waste (e.g., white water, black liquor, etc.) treated |
253 |
| 210/929 |
Hemoultrafiltrate volume measurement or control processes |
145 |
| 210/930 |
Paint detackifying |
87 |
| 210/96.1 |
Constituent mixture variation responsive |
642 |
| 210/97 |
Flow, fluid pressure or material level, responsive |
470 |
| 210/DIG.13 |
Part flow-full flow |
43 |
| 210/DIG.17 |
Twist-on |
257 |
| 210/DIG.3 |
Belt alignment |
26 |
| 210/DIG.5 |
Coalescer |
304 |
| 210/DIG.6 |
Dehydrators |
65 |
| 210/DIG.7 |
Drier blocks |
12 |
| 210/DIG.8 |
Fat fryer |
109 |
| 210/DIG.9 |
Floating cover |
23 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7396456 |
Cruising aeration apparatus and method |
Jul. 8, 2008 |
| 7390401 |
Pool skimmer seal assembly |
Jun. 24, 2008 |
| 7390418 |
Method of reducing chemical oxygen contaminants in water |
Jun. 24, 2008 |
| 7354512 |
Pool filter backflush trap |
Apr. 8, 2008 |
| 7344639 |
Swimming pool circulation system |
Mar. 18, 2008 |
| 7332082 |
System and method for biological purification of water |
Feb. 19, 2008 |
| 7329343 |
Water treatment bypass loops having ozone and chlorine generators |
Feb. 12, 2008 |
| 7311820 |
Swimming pool recirculating water distribution header |
Dec. 25, 2007 |
| 7309443 |
Skimmer and filter |
Dec. 18, 2007 |
| 7306718 |
Skimmer with flexible weir gate for spas and pools |
Dec. 11, 2007 |
| 7300576 |
Pool cleaning system and safety skimmer |
Nov. 27, 2007 |
| 7291260 |
Skimmer guard for a swimming pool |
Nov. 6, 2007 |
| 7247236 |
Pipe-connecting device |
Jul. 24, 2007 |
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