| Class Number |
Class Name |
No. of Patents |
| 68/235R |
Accessories |
40 |
| 68/240 |
Clothes supporting or spotting boards |
10 |
| 68/236 |
Combined wash bench and wringer support |
0 |
| 68/235D |
Diaper washer |
3 |
| 68/237 |
Washtub or wash boiler attachments |
2 |
| 68/238 |
Wringer supports |
0 |
| 68/239 |
Wringer supports |
1 |
| 68/241 |
Wringers |
10 |
| 68/276 |
Clamps |
1 |
| 68/242 |
Flexible diaphragm squeezers |
23 |
| 68/244 |
Roller type |
6 |
| 68/245 |
Combined |
4 |
| 68/271 |
Drains |
4 |
| 68/247 |
Enclosable |
1 |
| 68/269R |
Gearing and bearings |
8 |
| 68/269B |
Bearing structure |
2 |
| 68/269C |
Stop or reversal control |
4 |
| 68/269CA |
Main frame release type |
0 |
| 68/264 |
Guards, guides and feeds |
5 |
| 68/265 |
Movable guide or feed |
2 |
| 68/267 |
Apron between rolls |
2 |
| 68/268 |
Apron to or from rolls |
2 |
| 68/266 |
Feed or idler roll |
1 |
| 68/249 |
Interconnected functional units |
0 |
| 68/254 |
Drive and drain |
0 |
| 68/255 |
Drive and wringer rotation lock |
0 |
| 68/252 |
Guide and clamp |
0 |
| 68/250 |
Guide, roll pressure, and clamp |
0 |
| 68/251 |
Roll pressure and clamp |
0 |
| 68/253R |
Roll pressure and drive |
4 |
| 68/253B |
Electrical interconnection |
0 |
| 68/253A |
Main frame release type |
0 |
| 68/253C |
Roll or bearing interconnection |
6 |
| 68/272 |
Mountings |
0 |
| 68/273 |
On horizontal axis |
4 |
| 68/275 |
On horizontal track |
0 |
| 68/274 |
On vertical axis |
0 |
| 68/256 |
Pressure applying or release mechanisms |
2 |
| 68/260 |
Plural manipulative pressure adjustors |
0 |
| 68/261 |
And auxiliary release |
0 |
| 68/258 |
Power mechanisms |
10 |
| 68/259 |
Release through abnormal roll separation |
0 |
| 68/257 |
Roll separation against spring pressure |
6 |
| 68/262R |
Single manipulative pressure adjustor |
0 |
| 68/263R |
And auxiliary release |
0 |
| 68/263B |
Main frame release type |
0 |
| 68/263A |
Toggle |
0 |
| 68/262B |
Slow adjusting |
0 |
| 68/262A |
Toggle |
0 |
| 68/248 |
Rolls in horizontal plane |
2 |
| 68/270 |
Strippers |
5 |
| 68/243 |
Twisters |
0 |
| 68/2 |
Carbonizing apparatus |
6 |
| 68/902 |
Devices for storage and reuse of soap suds |
34 |
| 68/900 |
Foam treatment |
37 |
| 68/901 |
High frequency treatment |
7 |
| 68/213 |
Implements |
46 |
| 68/214 |
Combined |
5 |
| 68/215 |
Pounders |
3 |
| 68/218 |
Valved |
1 |
| 68/219 |
With material receptacle |
0 |
| 68/216 |
With plunger |
2 |
| 68/217 |
And valve |
0 |
| 68/220 |
Scrubbers |
2 |
| 68/222 |
Steamers |
31 |
| 68/232 |
Tubs |
2 |
| 68/233 |
With scrub surfaces |
2 |
| 68/223 |
Washboards |
0 |
| 68/224 |
Brandboards, soap holders, and soap supply |
0 |
| 68/226 |
Rubbing surfaces |
0 |
| 68/227 |
Brush type |
0 |
| 68/231 |
Of rollers |
0 |
| 68/230 |
Of slats, bars, or tubes |
0 |
| 68/228 |
Sheet or slab |
2 |
| 68/229 |
Surface design or elevation |
3 |
| 68/225 |
Splash guards and breast boards |
0 |
| 68/3R |
Machines |
135 |
| 68/28 |
Combined operations |
7 |
| 68/55 |
Dragging and liquid flowing |
0 |
| 68/56 |
Dragging and scrubbing |
1 |
| 68/57 |
Drag on vertical axis |
0 |
| 68/53 |
Impulsing and liquid flowing |
48 |
| 68/54 |
Impulsing and scrubbing |
4 |
| 68/62 |
Liquid flowing and liquid applying |
75 |
| 68/38 |
Scrubbing and liquid flowing |
2 |
| 68/42 |
Carrier roll and platen |
0 |
| 68/39 |
Endless apron and scrubber |
1 |
| 68/40 |
Scrubber reciprocable longitudinally of apron |
0 |
| 68/41 |
Horizontal axis pivoted carrier scrubber |
0 |
| 68/31 |
Scrubbing and squeezing |
1 |
| 68/33 |
Cooperating movable work element |
1 |
| 68/34 |
One movable with tub |
0 |
| 68/32 |
One work element reciprocable longitudinally of a roll axis |
2 |
| 68/35 |
Single movable work element |
0 |
| 68/36 |
Pivotally movable |
2 |
| 68/37 |
Rectilinearly movable |
0 |
| 68/52 |
Squeezing and dragging |
0 |
| 68/43 |
Squeezing and liquid flowing |
40 |
| 68/51 |
Mechanical liquid pump |
1 |
| 68/48 |
Movable tub, tray or cage |
2 |
| 68/50 |
Vertically movable |
3 |
| 68/49 |
With shuttle squeezer |
0 |
| 68/46 |
Roll and carrier roll |
1 |
| 68/47 |
Roller bed and carrier roll |
3 |
| 68/44 |
Squeezer and endless belt |
18 |
| 68/45 |
Single endless belt |
16 |
| 68/58 |
Tumbling and liquid flowing |
130 |
| 68/59 |
Spurting nozzle, thermal flow |
2 |
| 68/60 |
Tumbling and scrubbing |
1 |
| 68/61 |
Tumbling and squeezing |
1 |
| 68/30 |
Tumbling, scrubbing and squeezing |
1 |
| 68/29 |
With free element |
10 |
| 68/13R |
Combined |
201 |
| 68/19 |
With liquid extractor |
30 |
| 68/23R |
Centrifugal extractor (e.g., centrifuge) |
62 |
| 68/23A |
Guard ring on basket |
5 |
| 68/24 |
Horizontal or nonvertical axis tumbler and centrifuge |
141 |
| 68/23.4 |
Including additional fluid handling means actuated by rotation of centrifuge |
17 |
| 68/23.5 |
Including fluid supply means |
61 |
| 68/23.6 |
Including impulsing means (e.g., agitator) within and independent of centrifuge |
41 |
| 68/23.7 |
Oscillating type |
138 |
| 68/26 |
Independent vat and centrifuge |
8 |
| 68/25 |
Shiftable to vertical axis centrifuge |
12 |
| 68/23.1 |
With means to control or isolate vibration |
89 |
| 68/23.2 |
Including counterbalance |
96 |
| 68/23.3 |
Vertical axis centrifuge |
88 |
| 68/19.1 |
Disparate extractors |
52 |
| 68/19.2 |
Centrifugal extractor and gaseous drier |
49 |
| 68/20 |
Gaseous drier |
225 |
| 68/21 |
Squeezer extractor |
15 |
| 68/22R |
Roller |
127 |
| 68/22A |
Domestic with wringer |
3 |
| 68/22B |
Roller serves as reservoir |
19 |
| 68/14 |
With scrub-board |
2 |
| 68/17R |
With soap supply |
287 |
| 68/17A |
Dispenser on agitator |
31 |
| 68/18R |
With solvent recovery |
117 |
| 68/18C |
Using condenser |
124 |
| 68/18D |
Using decanter |
14 |
| 68/18F |
Using filter |
152 |
| 68/18FA |
Filter on agitator |
15 |
| 68/15 |
With tank heater |
57 |
| 68/16 |
Tumbler drum |
23 |
| 68/13A |
With water softener |
26 |
| 68/4 |
Convertible |
21 |
| 68/135 |
Dragging |
1 |
| 68/138 |
Dollies |
0 |
| 68/136 |
Oscillatory or rotary on vertical axis |
1 |
| 68/137 |
Top drive |
1 |
| 68/208 |
Drains and overflows |
134 |
| 68/212 |
Elements |
22 |
| 68/209 |
Fire or explosion preventers or fume removers |
10 |
| 68/131 |
Impulsing |
38 |
| 68/134 |
Impellers |
115 |
| 68/132 |
Oscillatory or rotary on vertical axis |
11 |
| 68/133 |
Bottom drive |
142 |
| 68/211 |
Limited area clamps |
3 |
| 68/200 |
Liquid applying |
129 |
| 68/204 |
Endless belts |
15 |
| 68/201 |
Needle injectors |
2 |
| 68/202 |
Roller |
52 |
| 68/203 |
Intermittent liquid applicator |
12 |
| 68/205R |
Tricklers and sprinklers |
321 |
| 68/205D |
Diaper washer |
0 |
| 68/205E |
Reel type |
2 |
| 68/206 |
With skein supporting sticks |
4 |
| 68/147 |
Liquid flowing |
5 |
| 68/175 |
Fixed liquid receptacle |
75 |
| 68/199 |
Carriers |
9 |
| 68/179 |
Conditioning chutes |
10 |
| 68/196 |
Covers |
62 |
| 68/197 |
Elevatable textile supports |
3 |
| 68/195 |
False bottoms |
3 |
| 68/176 |
Helical textile course |
7 |
| 68/198 |
Hollow wound package holders |
70 |
| 68/180 |
Jiggers |
19 |
| 68/194 |
Textile holddowns |
6 |
| 68/177 |
Web or rope pleating in receptacle |
103 |
| 68/178 |
Conditioning chutes |
78 |
| 68/183 |
With gas supply to liquid |
58 |
| 68/184 |
With liquid pump |
98 |
| 68/185 |
And interconnecting sampler |
1 |
| 68/186 |
And textile holddown |
2 |
| 68/187 |
And textile holddown |
4 |
| 68/188 |
Skein supporting sticks |
3 |
| 68/190 |
Surgers |
3 |
| 68/191 |
Thermal flow |
1 |
| 68/192 |
Surgers |
0 |
| 68/193 |
Tubular conductors |
0 |
| 68/189 |
Wound package, central liquid flow |
51 |
| 68/181R |
With liquid supply and efflux |
174 |
| 68/181D |
Diaper washer |
0 |
| 68/182 |
Rotating stock strainer |
4 |
| 68/148 |
Liquid displacement and movable cage or carrier |
35 |
| 68/149 |
Rotatable skein-supporting sticks |
0 |
| 68/151 |
Vertically pivoted cage-pump or carrier-pump |
1 |
| 68/150 |
Wound package, central liquid flow |
7 |
| 68/152 |
Movable cage or perforate tray |
12 |
| 68/153 |
Oscillatable cage or tray |
3 |
| 68/154 |
Vertical axis |
1 |
| 68/155 |
Rectilinearly reciprocable cage or tray |
1 |
| 68/156 |
Vertically reciprocable |
8 |
| 68/157 |
Movable carrier in vat |
5 |
| 68/158 |
Continuous textile feed and discharge |
101 |
| 68/159 |
Skein carrying stick or frame in liquid receptacle |
0 |
| 68/165 |
Reciprocable carrier for sticks or frames |
1 |
| 68/166 |
Rotatable skein stick |
0 |
| 68/162 |
Rotatable carrier for sticks or frames |
0 |
| 68/163 |
Rotatable skein stick |
1 |
| 68/164 |
With skein stretching means |
1 |
| 68/160 |
Rotatable skein stick |
0 |
| 68/161 |
With skein stretching means |
1 |
| 68/167 |
Traversing skein stick |
0 |
| 68/168 |
Endless belt stick carrier |
0 |
| 68/169 |
With skein stretching means |
0 |
| 68/170 |
Vertically reciprocable carrier |
4 |
| 68/171 |
Movable liquid receptacle |
27 |
| 68/172 |
Rockable or oscillatable liquid receptacle |
4 |
| 68/173 |
Fixed axis |
1 |
| 68/174 |
Vertical axis |
11 |
| 68/207 |
Liquid supply or vapor supply to liquid |
368 |
| 68/210 |
Loaders, unloaders, or dumpers |
78 |
| 68/27 |
Plural fluid treating machines |
92 |
| 68/11 |
Plural tubs and relatively transferable textile worker |
8 |
| 68/63 |
Scrubbing |
1 |
| 68/91 |
Fixed scrubber and bed, movable carrier |
0 |
| 68/84 |
Rotary |
3 |
| 68/85 |
Brush roller and roll |
2 |
| 68/90 |
Horizontal axis scrubber |
1 |
| 68/86 |
Roll and platen |
0 |
| 68/87 |
Brush roll or brush platen |
0 |
| 68/88 |
Resiliently mounted platen |
0 |
| 68/89 |
Vertical axis scrubber |
1 |
| 68/64 |
Scrubber and bed, reciprocatory |
0 |
| 68/65 |
Bed reciprocable about a roll periphery |
0 |
| 68/82 |
Bed, only, movable |
0 |
| 68/83 |
On vertical axis |
0 |
| 68/66 |
Both movable |
0 |
| 68/67 |
On horizontal axis |
0 |
| 68/69 |
Unitary tub and bed |
3 |
| 68/68 |
Vertical scrubbers |
0 |
| 68/70 |
On vertical axis |
5 |
| 68/71 |
Tub movable with scrubber |
3 |
| 68/72 |
Rectilinearly |
3 |
| 68/73 |
In vertical plane |
0 |
| 68/74 |
Scrubber, only, movable |
0 |
| 68/75 |
On horizontal axis |
1 |
| 68/76 |
Plate scrubber transverse to axis |
0 |
| 68/77 |
Plural scrubbers |
1 |
| 68/78 |
Individually pivoted scrubbers |
0 |
| 68/79 |
On vertical axis |
1 |
| 68/80 |
Downwardly directed scrubbing face |
0 |
| 68/81 |
Rectilinearly |
2 |
| 68/93 |
Scrubber bed or cage |
0 |
| 68/92 |
Scrubbers |
3 |
| 68/12.01 |
Single tub and automatic sequential operation mechanism |
59 |
| 68/12.24 |
Clutch detail or transmission detail |
22 |
| 68/12.25 |
With delay detail |
7 |
| 68/12.14 |
Dewatering detail |
59 |
| 68/12.15 |
With heating means |
14 |
| 68/12.26 |
Door safety latch detail |
66 |
| 68/12.08 |
Dry cleaner |
12 |
| 68/12.09 |
With cooling means |
3 |
| 68/12.07 |
Dyer |
15 |
| 68/12.27 |
Indicator or sensor detail |
106 |
| 68/12.19 |
Liquid handling |
62 |
| 68/12.21 |
Level or temperature responsive |
65 |
| 68/12.22 |
With temperature modification |
30 |
| 68/12.16 |
Motor control circuitry detail |
65 |
| 68/12.17 |
Relay |
3 |
| 68/12.11 |
Pneumatically actuated |
3 |
| 68/12.02 |
Sequence control means responsive to a sensed condition |
169 |
| 68/12.05 |
Liquid level |
94 |
| 68/12.03 |
Temperature of the load |
26 |
| 68/12.06 |
Unbalanced load |
103 |
| 68/12.04 |
Weight of the load |
105 |
| 68/12.23 |
Sequence controller detail |
49 |
| 68/12.12 |
Special cycle specified (e.g., prewash cycle, permanent press cycle, etc.) |
82 |
| 68/12.18 |
With additive dispensing |
71 |
| 68/12.13 |
With treating liquid filtering or reclaiming means |
9 |
| 68/94 |
Squeezing |
3 |
| 68/108 |
Chasers |
0 |
| 68/109 |
Nonrotatable bed |
0 |
| 68/96 |
Deformable receptacle |
4 |
| 68/125 |
Mountings |
3 |
| 68/126 |
For roll squeezers |
1 |
| 68/129 |
Nonrotary squeezers |
2 |
| 68/130 |
With plungers or valves |
0 |
| 68/97 |
Roll type |
1 |
| 68/105 |
Fixed axis roll and reciprocable bed |
0 |
| 68/106 |
Oscillating roll and bed |
1 |
| 68/107 |
Single roll |
1 |
| 68/98 |
Planetary |
0 |
| 68/102 |
Rectilinearly reciprocable roll and bed |
0 |
| 68/103 |
Fixed bed |
0 |
| 68/104 |
Single roll |
0 |
| 68/100 |
Roll and roller bed |
1 |
| 68/101 |
Resiliently mounted roller bed |
0 |
| 68/99 |
Roll and roll |
7 |
| 68/110 |
Squeezer and bed, both movable |
1 |
| 68/112 |
Opposed receding and approaching squeezers |
0 |
| 68/111 |
Vertically reciprocable squeezer and vertically pivoted bed |
0 |
| 68/95 |
Squeezer and textile cover |
0 |
| 68/128 |
Squeezer roll strippers |
1 |
| 68/113 |
Squeezer, only, movable |
0 |
| 68/114 |
Cradled |
0 |
| 68/115 |
Plural horizontally pivoted squeezers |
0 |
| 68/116 |
Bilateral squeezing faces |
0 |
| 68/120 |
Rectilinearly movable squeezer |
0 |
| 68/121 |
Bilateral squeezing faces |
0 |
| 68/122 |
Vertically |
5 |
| 68/124 |
Successively acting squeezers |
2 |
| 68/123 |
With squeezer displacement |
0 |
| 68/117 |
Single horizontally pivoted squeezer |
0 |
| 68/118 |
Bilateral squeezing faces |
0 |
| 68/119 |
Edge pivoted horizontal plate |
0 |
| 68/3SS |
Supersonic vibrator |
56 |
| 68/139 |
Tumbling |
48 |
| 68/142 |
Cage construction |
71 |
| 68/143 |
Compartmented |
32 |
| 68/140 |
Cage type tumbler supports, bearings or drive |
133 |
| 68/144 |
Imperforate receptacle type |
5 |
| 68/145 |
Compartmented |
17 |
| 68/146 |
Fixed inclined axis |
5 |
| 68/141 |
Wobbly cage |
3 |
| 68/5R |
With gas, steam or mist treating |
29 |
| 68/5D |
Continuous textile feed and discharge |
230 |
| 68/5C |
In chamber |
142 |
| 68/5A |
Limited area application |
19 |
| 68/5B |
Relative movement of applicator and textile |
10 |
| 68/6 |
Static devices |
21 |
| 68/7 |
With fabric carrying cylinder |
4 |
| 68/8 |
Textile on cylinder |
11 |
| 68/5E |
With chamber seal |
157 |
| 68/9 |
With successive fluids and plural tubs |
70 |
| 68/10 |
Relatively transferable textile holder |
11 |
| 68/903 |
Perforated drum and continuous textile feed and discharge |
37 |
| 68/1 |
Waste reclaiming apparatus |
1 |
