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Class Information
Number: 210/170.03
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 864
210/150 With gas-liquid surface contact means 620
210/153 Structural installation 46
210/173 Comminuting 115
210/175 With heater or heat exchanger 259
210/188 With gas separator 589
210/189 Plural chambers with movement of granules therebetween 151
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 592
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 353
210/243 Electrical insulating or electricity discharging 385
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) 343
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 575
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 641
210/97 Flow, fluid pressure or material level, responsive 470
210/DIG.13 Part flow-full flow 43
210/DIG.17 Twist-on 256
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
7449105 Water filtration and erosion control system Nov. 11, 2008
7441661 Solids/liquids separator Oct. 28, 2008
7425261 Stormwater bioretention filtration system with overflow/bypass capability Sep. 16, 2008
7425262 In line wetland water treatment system Sep. 16, 2008
7422682 Compositions, devices, and methods for use in environmental remediation Sep. 9, 2008
7422683 Vortex separator for separating floating and settling substances from centrally inflowing storm-water Sep. 9, 2008
7419591 Filter cartridge with check valve protection Sep. 2, 2008
7404892 Storm water catch basin filter comprising an anti-microbial agent Jul. 29, 2008
7396471 Sediment control drain and method of construction Jul. 8, 2008
7374364 Trench drain filter assembly May. 20, 2008
7364652 Screening apparatus Apr. 29, 2008
7344640 Urban runoff water treatment methods and systems Mar. 18, 2008
7314549 Storm water interceptor Jan. 1, 2008
7309420 Sanitary, storm and catch basin trap with filter insert Dec. 18, 2007
7303670 Compositions, devices, and methods for use in environment remediation Dec. 4, 2007
7300590 Method and apparatus for separating oil and debris from water run-off Nov. 27, 2007
7294256 Storm water filter system Nov. 13, 2007
7291262 Road surface waste water treatment device and tubular water treatment unit Nov. 6, 2007
7288188 Ground water collection system Oct. 30, 2007
7282142 Fluid strainer assembly Oct. 16, 2007
7276156 Storm drain filter Oct. 2, 2007
7237981 End cap having integral pipe stub for use with stormwater chamber Jul. 3, 2007
7238281 Storm water runoff treatment system Jul. 3, 2007
7226240 Devices, systems, and methods for controlling erosion Jun. 5, 2007
7214311 Filter cartridge with check valve protection May. 8, 2007
7207747 Drainage system for sand bunker Apr. 24, 2007



 
 
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