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Class Information
Number: 210/248
Name: Liquid purification or separation > With drip, overflow or content draining feature
Description: Apparatus with (1) means for receiving drip or overflow, or (2) means to receive the contents of a filter unit when it is disassembled.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5269338 |
Aquarium siphon apparatus |
Dec. 14, 1993 |
| 5229009 |
Effluent precipitation and neutralization chamber |
Jul. 20, 1993 |
| 5223154 |
System for filtering liquids in a catch basin using filters in series and overflow channels |
Jun. 29, 1993 |
| 5207903 |
Filter stand assembly |
May. 4, 1993 |
| 5196112 |
Oil drain apparatus |
Mar. 23, 1993 |
| 5169541 |
Hazardous materials spillage inhibitor for use with service station fuel filters |
Dec. 8, 1992 |
| 5160606 |
Gray water recovery system with ozone treatment |
Nov. 3, 1992 |
| 5151174 |
Installation for the disinfection of clarified sewage with UV apparatus built into siphons |
Sep. 29, 1992 |
| 5149423 |
Apparatus for the purification of waste water with swivelling mixing container |
Sep. 22, 1992 |
| 5139658 |
Filter canister mounting |
Aug. 18, 1992 |
| 5132022 |
Effluent precipitation and neutralization chamber |
Jul. 21, 1992 |
| 5132009 |
Filter for a fuel system |
Jul. 21, 1992 |
| 5104524 |
Apparatus for washing a solvent in the reprocessing of irradiated nuclear fuels |
Apr. 14, 1992 |
| 5098559 |
Liquid filter for the lubricating oil of an internal combustion engine |
Mar. 24, 1992 |
| 5092988 |
System for monitoring injection water quality using filtration, pressure regulation and mass measuring |
Mar. 3, 1992 |
| 5087358 |
Filtering machine for fibrous substances having revolving cone-shaded filters |
Feb. 11, 1992 |
| 5075001 |
Method and apparatus for recovering fibrous material from a paper/pulp process water stream |
Dec. 24, 1991 |
| 5049270 |
Filter apparatus having liquid control mechanism |
Sep. 17, 1991 |
| 5047156 |
Oil recovery vessel and method utilizing adjustable weir |
Sep. 10, 1991 |
| 5047146 |
Bidirectional flow vacuum filter for a swimming pool having influent and effluent conduits as structural members |
Sep. 10, 1991 |
| 5030345 |
Non-drip and full prime filter |
Jul. 9, 1991 |
| 5028320 |
Sewer catch basin with gas seal for a petroleum refinery or chemical processing plant |
Jul. 2, 1991 |
| 5021157 |
Filtration, drainage, and drying apparatus for deliquification of sludges |
Jun. 4, 1991 |
| 5021156 |
Dump truck for receiving draining and disposing of dredged material |
Jun. 4, 1991 |
| 5013432 |
Filter system for liquids with particles in suspension |
May. 7, 1991 |
| 5002660 |
Compact aquarium filter |
Mar. 26, 1991 |
| 4975205 |
Apparatus and method for receiving, draining and disposing of dredged material |
Dec. 4, 1990 |
| 4957632 |
Valve closing device for a filter vessel in a beverage maker |
Sep. 18, 1990 |
| 4929356 |
Environment protector for replaceable cartridge filters |
May. 29, 1990 |
| 4913813 |
Filter spill prevention cover |
Apr. 3, 1990 |
| 4908904 |
Portable cleaning container |
Mar. 20, 1990 |
| 4908136 |
Method and apparatus for forming and ion-exchanging a filter cake |
Mar. 13, 1990 |
| 4906365 |
Filter for cleaning lubricating oil |
Mar. 6, 1990 |
| 4902410 |
Interceptor for the continuous removal of solid matter from a mixture of solids and liquid |
Feb. 20, 1990 |
| 4882051 |
Cartridge filter incorporating a bag-like body |
Nov. 21, 1989 |
| 4880535 |
Water supply station with multiple water storage reservoirs |
Nov. 14, 1989 |
| 4877155 |
Spill protecting apparatus |
Oct. 31, 1989 |
| 4865731 |
Pre-filled fuel filter for internal combustion engines |
Sep. 12, 1989 |
| 4865727 |
New and used oil filter container with used filter removing means |
Sep. 12, 1989 |
| 4863599 |
Filter arrangement |
Sep. 5, 1989 |
| 4859320 |
Leak-proof water processing unit |
Aug. 22, 1989 |
| 4855041 |
Fluid filter drain assembly |
Aug. 8, 1989 |
| 4836917 |
Apparatus for performing separation of a solid-liquid mixture |
Jun. 6, 1989 |
| 4824564 |
Dry sump liquid filter |
Apr. 25, 1989 |
| 4815160 |
Portable cleaning container |
Mar. 28, 1989 |
| 4808308 |
Clarifying filter-centrifuge and method of filtering suspensions |
Feb. 28, 1989 |
| 4806241 |
Overflow lint strainer |
Feb. 21, 1989 |
| 4801377 |
Debris separator unit for raingutter downspouts |
Jan. 31, 1989 |
| 4789472 |
Adsorption apparatus |
Dec. 6, 1988 |
| 4769142 |
Amphibious oil spill absorbing machine |
Sep. 6, 1988 |
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