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Class Information
Number: 210/119
Name: Liquid purification or separation > Flow, fluid pressure or material level, responsive > Discharge of treated material > Check valve controlled > Float type
Description: Apparatus comprising a float operated valve means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7309419 |
Fluid diverter for a wastewater treatment system |
Dec. 18, 2007 |
| 7294254 |
Wastewater treatment system |
Nov. 13, 2007 |
| 6803022 |
Device and method for separating components of a fluid sample |
Oct. 12, 2004 |
| 6649048 |
Filter cartridge with regulated surface cleaning mechanism |
Nov. 18, 2003 |
| 6458269 |
Keyed filter assembly |
Oct. 1, 2002 |
| 6277280 |
Septic tank effluent filtering apparatus and method |
Aug. 21, 2001 |
| 6110383 |
Oil/water separator |
Aug. 29, 2000 |
| 6027639 |
Self-cleaning siphon-actuated radial flow filter basket |
Feb. 22, 2000 |
| 5935427 |
System for draining a liquid storage tank |
Aug. 10, 1999 |
| 5676828 |
Apparatus and method for modifying waste water |
Oct. 14, 1997 |
| 5672268 |
Fluid treatment apparatus |
Sep. 30, 1997 |
| 5264121 |
Apparatus for purifying fuel |
Nov. 23, 1993 |
| 5194146 |
Cenrifuge filter with closable bypass |
Mar. 16, 1993 |
| 5149344 |
Multi-phase flow and separator |
Sep. 22, 1992 |
| 5080781 |
Down-hole hydrocarbon collector |
Jan. 14, 1992 |
| 5053120 |
Arrangement for draining water collecting in the container of a water separator of an internal-combustion engine |
Oct. 1, 1991 |
| 4957625 |
Ceramic filter modules in series with piston backwash |
Sep. 18, 1990 |
| 4778595 |
Automatic valve assembly |
Oct. 18, 1988 |
| 4671869 |
Filter device |
Jun. 9, 1987 |
| 4528094 |
Separation of two liquids |
Jul. 9, 1985 |
| 4521312 |
Apparatus and method for separating a mixture of three liquids |
Jun. 4, 1985 |
| 4436630 |
Apparatus and method for separating a mixture of two liquids |
Mar. 13, 1984 |
| 4424128 |
Filter device for diesel engines |
Jan. 3, 1984 |
| 4419230 |
Apparatus for containing a leakage of PCB compound |
Dec. 6, 1983 |
| 4348281 |
Skimmer assembly for swimming pools |
Sep. 7, 1982 |
| 4055499 |
Fluid separator |
Oct. 25, 1977 |
| 4053405 |
Warning device and method for fuel filtering systems |
Oct. 11, 1977 |
| 4051030 |
Liquids separating system |
Sep. 27, 1977 |
| 4017397 |
Filter device for diesel engines |
Apr. 12, 1977 |
| 3932280 |
Closed water system in municipal incineration plants |
Jan. 13, 1976 |
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