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Class Information
Number: 210/105
Name: Liquid purification or separation > Flow, fluid pressure or material level, responsive > Diverse sensing means > With control for auxiliary liquid inlet
Description: Apparatus including the control of introduction of an auxiliary liquid to a treatment chamber.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7320749 |
Method and apparatus for control of a gas or chemical |
Jan. 22, 2008 |
| 7229527 |
Method for the controlled thickening of low consistency fiber suspensions |
Jun. 12, 2007 |
| 7135107 |
Apparatus and system for concentrating slurry solids |
Nov. 14, 2006 |
| 7014752 |
Water treatment control system for minimizing trihalomethane formation |
Mar. 21, 2006 |
| 7011741 |
Filtration apparatus operating features |
Mar. 14, 2006 |
| 6982032 |
Apparatus and method for biological treatment of environmental contaminants and waste |
Jan. 3, 2006 |
| 6767432 |
Apparatus for the thickening of fiber suspensions |
Jul. 27, 2004 |
| 6660168 |
Feeder and method for preparing aqueous solutions containing high concentrations of solid oxidizers |
Dec. 9, 2003 |
| 6638433 |
System and method for controlling water-only cyclones |
Oct. 28, 2003 |
| 6599425 |
Bioremediation of nitrate contaminated groundwater |
Jul. 29, 2003 |
| 6576140 |
Commercial kitchen sink drain improvement |
Jun. 10, 2003 |
| 6527958 |
Device for reducing water hardness (softener) having a resins exhaustion sensor, and washing machine having said device |
Mar. 4, 2003 |
| 6495031 |
Enclosed belt filter apparatus |
Dec. 17, 2002 |
| 6488852 |
Apparatus and method for biological treatment of environmental contaminants and waste |
Dec. 3, 2002 |
| 6402941 |
Apparatus for biological treatment of environmental contaminants and waste |
Jun. 11, 2002 |
| 6379539 |
Point of entry water treatment system |
Apr. 30, 2002 |
| 6337023 |
Flotation apparatus for clarifying produced water |
Jan. 8, 2002 |
| 6200466 |
Decontamination of water by photolytic oxidation/reduction utilizing near blackbody radiation |
Mar. 13, 2001 |
| 6099739 |
Cleaning apparatus for a magnetic filter and cleaning method thereof |
Aug. 8, 2000 |
| 6001243 |
Heating and reaction system and method using recycle reactor |
Dec. 14, 1999 |
| 5938918 |
Domestic water clarifier |
Aug. 17, 1999 |
| 5804080 |
Computer controlled method of operating a swimming pool filtration system |
Sep. 8, 1998 |
| 5792343 |
Brine supply system |
Aug. 11, 1998 |
| 5725757 |
Reactor for UV radiation for the treatment of liquids |
Mar. 10, 1998 |
| 5628896 |
Apparatus for operating a filter arrangement |
May. 13, 1997 |
| 5589058 |
Apparatus for treatment of water |
Dec. 31, 1996 |
| 5498347 |
Reactor for the ozonization of water |
Mar. 12, 1996 |
| 5399260 |
Field portable water purification system |
Mar. 21, 1995 |
| 5374352 |
Universal recycled wash water system |
Dec. 20, 1994 |
| 5133872 |
Method and apparatus for controlling throughput in a beltpress |
Jul. 28, 1992 |
| 5112477 |
Purified water and ice dispensing apparatus |
May. 12, 1992 |
| 5059330 |
Gray water reclamation method and apparatus |
Oct. 22, 1991 |
| 5015394 |
Apparatus and method for the treatment of water with ozone |
May. 14, 1991 |
| 4985141 |
Liquid-liquid contactor columns |
Jan. 15, 1991 |
| 4889639 |
Microwave emulsion treater with controlled feed water content |
Dec. 26, 1989 |
| 4865724 |
Metal working machine liquid filtering device with coalescer, filter, and time delayer |
Sep. 12, 1989 |
| 4855061 |
Method and apparatus for controlling the coagulant dosage for water treatment |
Aug. 8, 1989 |
| 4767525 |
Clean water system |
Aug. 30, 1988 |
| 4731176 |
Control system for froth flotation processes |
Mar. 15, 1988 |
| 4726896 |
Method and apparatus for on-stream analysis of slurried ore |
Feb. 23, 1988 |
| 4675116 |
Dewatering solids suspensions with controlled flocculant addition |
Jun. 23, 1987 |
| 4668402 |
System for treating fluids |
May. 26, 1987 |
| 4594154 |
Self-contained device for sterilizing water |
Jun. 10, 1986 |
| 4581134 |
Crude oil dehydrator/desalter control system |
Apr. 8, 1986 |
| 4400270 |
Ultraviolet apparatus for disinfection and sterilization of fluids |
Aug. 23, 1983 |
| 4397747 |
Apparatus for plasma separation/exchange by double filtration |
Aug. 9, 1983 |
| 4389739 |
Automated surge weir and rim skimming gutter flow control system |
Jun. 28, 1983 |
| 4388184 |
Pressure and fluid flow activated, simplified proportioning system |
Jun. 14, 1983 |
| 4379057 |
Method for the cyclic regeneration of water-softening systems and programmed water-softening system for applying the method |
Apr. 5, 1983 |
| 4372859 |
Method of removing minuscule solid particles from liquid and system therefor |
Feb. 8, 1983 |
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