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Class Information
Number: 210/128
Name: Liquid purification or separation > Flow, fluid pressure or material level, responsive > Float > Controls valve > Float in receptacle other than that of separator
Description: Apparatus in which the float is in a nontreating chamber.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7125485 |
Water cooler/water purification system |
Oct. 24, 2006 |
| 7083717 |
Water purification apparatus |
Aug. 1, 2006 |
| 6994782 |
Apparatus for removing phosphorus from waste lagoon effluent |
Feb. 7, 2006 |
| 6979399 |
Sludge recovery apparatus and method |
Dec. 27, 2005 |
| 6749743 |
Fuel diverter for a recirculating wastewater treatment system |
Jun. 15, 2004 |
| 6682654 |
Sludge recovery apparatus and method |
Jan. 27, 2004 |
| 6649047 |
Protection system to prevent damage to a gas diffusion membrane |
Nov. 18, 2003 |
| 6596158 |
Waste water filtration tank |
Jul. 22, 2003 |
| 6331255 |
Accessible well for brine tank |
Dec. 18, 2001 |
| 6264832 |
Apparatus for the treatment of rain water |
Jul. 24, 2001 |
| 6132626 |
Liquid filter |
Oct. 17, 2000 |
| 6109358 |
Venting apparatus and method for remediation of a porous medium |
Aug. 29, 2000 |
| 6062255 |
Float valve assembly for a water purification system |
May. 16, 2000 |
| 5935428 |
Apparatus and method for performing efficient read and write operations in a multiple bus system |
Aug. 10, 1999 |
| 5902477 |
Combined sewer overflow and storm water diverter screen |
May. 11, 1999 |
| 5814213 |
Skimming apparatus |
Sep. 29, 1998 |
| 5622619 |
Light liquid off-take system for a separator basin |
Apr. 22, 1997 |
| 5614086 |
Method and apparatus for removing contaminants from a water supply |
Mar. 25, 1997 |
| 5573677 |
Washing machine rinse water recovery apparatus and method |
Nov. 12, 1996 |
| 5374352 |
Universal recycled wash water system |
Dec. 20, 1994 |
| 5271808 |
Apparatus from waste oil for reclaiming a useful oil product |
Dec. 21, 1993 |
| 5256263 |
Method of purifying lacustrine water and filthy water purification |
Oct. 26, 1993 |
| 5160607 |
Filter for aquarium |
Nov. 3, 1992 |
| 5149446 |
Potable water generator |
Sep. 22, 1992 |
| 5106512 |
Portable air-water generator |
Apr. 21, 1992 |
| 5098585 |
Aquarium filter assembly |
Mar. 24, 1992 |
| 5068030 |
Water filtering sterilizing and heating apparatus |
Nov. 26, 1991 |
| 5055185 |
Anti-freeze separator assembly |
Oct. 8, 1991 |
| 5055184 |
Gas assisted flotation apparatus |
Oct. 8, 1991 |
| 5000843 |
Culture fluid concentrator |
Mar. 19, 1991 |
| 4857184 |
Self-contained water treatment system and enclosure |
Aug. 15, 1989 |
| 4851133 |
Method and apparatus for recovering low density liquids in surface water |
Jul. 25, 1989 |
| 4828692 |
Simplified method and apparatus for purification |
May. 9, 1989 |
| 4800907 |
Storage space for liquids, with a flushing device |
Jan. 31, 1989 |
| 4781841 |
Heavy metal adsorbing agent and method of using same |
Nov. 1, 1988 |
| 4767526 |
Artificial kidney with automatic regulation of the pressure of the dialyslate as a function of withdrawal of ultrafiltrate |
Aug. 30, 1988 |
| 4743365 |
Valve filter mechanism |
May. 10, 1988 |
| 4687572 |
Water-oil separating system including centrifugal type separator and flow controls therefor |
Aug. 18, 1987 |
| 4637351 |
System for removal of water from diesel fuel systems |
Jan. 20, 1987 |
| 4555323 |
Chlorination device |
Nov. 26, 1985 |
| 4444657 |
Breakover detector for centrifuges |
Apr. 24, 1984 |
| 4436632 |
Clarifier skimmer |
Mar. 13, 1984 |
| 4351720 |
Water treating apparatus |
Sep. 28, 1982 |
| 4342649 |
Upflow reactor filter assembly |
Aug. 3, 1982 |
| 4341629 |
Means for desalination of water through reverse osmosis |
Jul. 27, 1982 |
| 4331536 |
Combination for removing heavier liquid from the bottom of a storage tank |
May. 25, 1982 |
| 4308136 |
Internally baffled, horizontal flow, vertical oil skimmer |
Dec. 29, 1981 |
| 4289617 |
Water softening and reverse osmosis system |
Sep. 15, 1981 |
| 4278104 |
System for controlling the number of waste liquid disposal units in operation |
Jul. 14, 1981 |
| 4252650 |
Water purifying device |
Feb. 24, 1981 |
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