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Class Information
Number: 210/321B
Name: Liquid purification or separation >
Description:


Sub-classes under this class:

Class Number Class Name Patents
210/138 With time control 364
210/141 With program actuator 84
210/143 Automatic control 903
210/150 With gas-liquid surface contact means 656
210/153 Structural installation 47
210/173 Comminuting 122
210/175 With heater or heat exchanger 273
210/188 With gas separator 602
210/189 Plural chambers with movement of granules therebetween 155
210/190 With external supply means for regenerating medium, e.g., water softening system 101
210/192 With preliminary chemical manufacture 502
210/193 With precoat adding or applying means 135
210/194 Recirculation 388
210/198.1 With means to add treating material 628
210/222 Magnetic 843
210/224 Sectional chamber press type 58
210/232 With repair or assembling means 1,724
210/239 Convertible 44
210/241 With movable support 369
210/243 Electrical insulating or electricity discharging 397
210/244 Portable receptacle with hood or closure 93
210/247 Filtrate splash plate and/or deflector 89
210/248 With drip, overflow or content draining feature 294
210/249 Bracket or leg support for static separator assembly 132
210/251 Combined 225
210/252 Serially connected distinct treating with or without storage units 303
210/263 Particulate material type separator, e.g., ion exchange or sand bed 228
210/294 Diverse distinct separators 85
210/321.6 Casing divided by membrane into sections having inlet(s) and/or outlet(s) 383
210/322 Plural distinct separators 65
210/348 Filter 83
210/511 Liquid as separating medium 218
210/512.1 Tangential flow or centrifugal fluid action 869
210/513 Gravitational separator 172
210/541 Adjuncts 258
210/542 Miscellaneous 102
210/600 Processes 75
210/85 With alarm, indicator, register, recorder, signal or inspection means 600
210/900 Ultra pure water (e.g., conductivity water) 139
210/901 Specified land fill feature (e.g., prevention of ground water fouling) 92
210/902 Materials removed 39
210/918 Miscellaneous specific techniques 27
210/928 Paper mill waste (e.g., white water, black liquor, etc.) treated 254
210/929 Hemoultrafiltrate volume measurement or control processes 145
210/930 Paint detackifying 87
210/96.1 Constituent mixture variation responsive 651
210/97 Flow, fluid pressure or material level, responsive 485
210/DIG.13 Part flow-full flow 43
210/DIG.17 Twist-on 259
210/DIG.3 Belt alignment 26
210/DIG.5 Coalescer 309
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



 
 
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