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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 |
| 4740299 |
Filter assembly with threaded collection bowl |
Apr. 26, 1988 |
| 4738786 |
Pressure filter enclosure |
Apr. 19, 1988 |
| 4692245 |
Filter assembly with high pressure connection to collection bowl |
Sep. 8, 1987 |
| 4684462 |
Filtration, aeration, and water level control means for aquariums |
Aug. 4, 1987 |
| 4676896 |
Faucet mounted purifier |
Jun. 30, 1987 |
| 4642183 |
Oil filter |
Feb. 10, 1987 |
| 4626348 |
End cap which will accommodate flow reversal |
Dec. 2, 1986 |
| 4623455 |
Method and device for filtering lubricating oil for a dough divider machine |
Nov. 18, 1986 |
| 4619764 |
Repelling-action filter unit and assembly |
Oct. 28, 1986 |
| 4608157 |
Wastewater treatment plant |
Aug. 26, 1986 |
| 4565629 |
Filter assembly |
Jan. 21, 1986 |
| 4555331 |
Self-metering semi-automatic quantitative filtration assembly |
Nov. 26, 1985 |
| 4555340 |
Excess overflow orifice tubes |
Nov. 26, 1985 |
| 4545903 |
Apparatus for automatically controlling the sedimentation of muds during the purification of waste waters |
Oct. 8, 1985 |
| 4543182 |
Parts washing and/or fluid recovery apparatus |
Sep. 24, 1985 |
| 4507199 |
Oil filter unit and sealing device |
Mar. 26, 1985 |
| 4505813 |
Wastewater treatment plant |
Mar. 19, 1985 |
| 4502956 |
Filter assembly |
Mar. 5, 1985 |
| 4478714 |
Pressurized filtration system |
Oct. 23, 1984 |
| 4476021 |
Rust, scale and foreign particle arrester |
Oct. 9, 1984 |
| 4454031 |
Oil reservoir, in particular for hydraulic steering systems |
Jun. 12, 1984 |
| 4451368 |
Annular drip collector and cap |
May. 29, 1984 |
| 4439319 |
Receptacle for the collection of medical specimens and the like |
Mar. 27, 1984 |
| 4376703 |
Oil filter cover |
Mar. 15, 1983 |
| 4376050 |
Surge devices for liquid-solid separators |
Mar. 8, 1983 |
| 4331535 |
Leakage detecting and detouring filter housing-assembly |
May. 25, 1982 |
| 4331540 |
Process for draining dialysate from artificial kidney |
May. 25, 1982 |
| 4319997 |
Multiple filter case |
Mar. 16, 1982 |
| 4276162 |
Flame resistant sump assembly |
Jun. 30, 1981 |
| 4162976 |
Sewage disposal system |
Jul. 31, 1979 |
| 4160727 |
Method and apparatus utilizing staged reverse osmosis units for purifying and dispensing water |
Jul. 10, 1979 |
| 4094791 |
Lubricating oil filter with an upright filter pot |
Jun. 13, 1978 |
| 4036755 |
Filter for cleaning lubricating oil in internal combustion engines |
Jul. 19, 1977 |
| 3933639 |
Apparatus for preparing beverages |
Jan. 20, 1976 |
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