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Class Information
Number: 210/167.19
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
7455767 Debris gathering device for swimming pools Nov. 25, 2008
7452460 Leaf and debris catcher Nov. 18, 2008
7413651 Pool skimmer guard assembly Aug. 19, 2008
7374671 Leaf and debris catcher May. 20, 2008
7291260 Skimmer guard for a swimming pool Nov. 6, 2007
7276157 Swimming pool strainer Oct. 2, 2007
7195708 Skimmer guard for a swimming pool Mar. 27, 2007
7163620 Retro filter bag Jan. 16, 2007



 
 
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