| Patents for B01D 27 - Cartridge filters of the throw-away type (5,673) |
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| 11/02/1994 | EP0622110A1 Separation device |
| 10/27/1994 | WO1994023818A1 Filter element with expanded metal jacket |
| 10/13/1994 | WO1994022550A1 Back-flow filter |
| 10/13/1994 | WO1994022548A1 Filter device with closure and key port connection |
| 09/29/1994 | WO1994021350A1 Compressible differential pressure energized seals for filter elements and the like |
| 09/28/1994 | EP0616826A1 Water filter Cartridges |
| 09/27/1994 | US5350506 Anti-drain fluid filter |
| 09/07/1994 | EP0613710A1 Filtering apparatus |
| 09/07/1994 | CN1091673A Water filter cartridge |
| 09/06/1994 | US5344558 Water filter cartridge |
| 09/01/1994 | WO1994019086A1 Filter assembly |
| 08/30/1994 | US5342519 Fluid filter cartridge with replaceable filter element |
| 08/30/1994 | US5342511 Oil filter with inner and outer coaxial filter elements |
| 08/25/1994 | CA2108949A1 Filter assembly |
| 08/24/1994 | CN1091052A 过滤器 Filter |
| 08/18/1994 | DE4310234C1 Backflow filter for liquids |
| 08/09/1994 | US5336405 Filter cartridge end cap assembly |
| 08/09/1994 | CA1331346C Water purification device with an intake-funnel |
| 08/04/1994 | WO1994016793A1 Lengthening pipe for the filtering pot of a return filter |
| 08/03/1994 | EP0608721A1 Filtration apparatus with exchangeable filters |
| 08/02/1994 | US5334309 Filter units |
| 07/29/1994 | CA2112846A1 Filtration apparatus with exchangeable filters |
| 07/27/1994 | EP0607563A2 Fuel filter with spring-loaded retention system |
| 07/21/1994 | WO1994015689A1 Apparatus for removing solid and volatile contaminants from liquids |
| 07/20/1994 | EP0557295B1 Filters |
| 07/19/1994 | CA1330763C Environment protector for replaceable cartridge filters |
| 07/13/1994 | CN2171689Y Fuel filter |
| 07/13/1994 | CN1089339A Seal for spin-on filter |
| 07/12/1994 | US5328606 Spin on oil filter with extendible handle |
| 07/07/1994 | WO1994014517A1 Screwable liquid filter |
| 07/06/1994 | EP0604410A1 Fuel filter and separator with bypassable boost pump |
| 07/05/1994 | US5326461 Oil filter and heat exchanger |
| 06/28/1994 | CA1330424C Fuel filter with positive water shutoff |
| 06/21/1994 | US5322624 Fuel filter with drain/fill/sensor port |
| 06/21/1994 | US5322596 Apparatus for removing solid and volatile contaminants from liquids |
| 06/21/1994 | CA1330312C Quick change filter cartridge and head therefor |
| 06/07/1994 | US5318411 Compressor with integral filter |
| 06/01/1994 | EP0489731B1 Relief valve for liquid filter |
| 05/31/1994 | US5316665 Pre-filter oil inspection screen |
| 05/26/1994 | WO1994011083A1 Filter and method for manufacturing filters |
| 05/26/1994 | WO1994011082A1 Pleated filter assembly, and the method and apparatus for making |
| 05/25/1994 | CN1087025A One-fiece anti-drainback and relief valve |
| 05/17/1994 | US5312546 Dry change fuel filter system |
| 05/11/1994 | WO1994009880A1 Filter element and method for the manufacture thereof |
| 05/10/1994 | CA2001049C Oil filter |
| 05/04/1994 | EP0594614A1 Filter apparatus for cleaning oil. |
| 04/28/1994 | WO1994008695A1 Combination valve for liquid filter |
| 04/27/1994 | EP0593434A1 Fuel filter. |
| 04/26/1994 | US5306424 Fuel filter |
| 04/20/1994 | EP0381666B1 Filter cartridge |
| 04/19/1994 | CA1328628C Filter cover for a purification insert in a water treatment device with a hollow tube |
| 04/19/1994 | CA1328626C Plastic fluid filter and method for manufacturing same |
| 04/12/1994 | US5302284 Fuel filter with spring-loaded retention system |
| 04/12/1994 | US5301958 Seal for spin-on filter having circumferential retaining groove |
| 04/12/1994 | CA2001050C Oil filter |
| 03/31/1994 | WO1994006534A1 Oil filter and method of increasing service life of oil filter |
| 03/29/1994 | CA1328083C Cartridge and cover assembly for fluid filters |
| 03/16/1994 | EP0527130B1 Coolant filter with inhibitor pack |
| 03/01/1994 | US5290445 Filtering apparatus |
| 03/01/1994 | CA2104041A1 One-piece anti-drainback and relief valve |
| 02/23/1994 | EP0583544A1 Method of filter-manufacturing |
| 02/16/1994 | EP0583149A2 Disposal plug for filter cartridge |
| 02/16/1994 | EP0582949A2 Filter for liquids |
| 02/08/1994 | US5284579 One-piece anti-drainback and relief valve |
| 02/02/1994 | CN2154735Y Oil saving element of filter |
| 01/26/1994 | EP0580491A1 Improvements of liquid filter cartridges and of filters equiped with such cartridges |
| 01/13/1994 | DE4222136A1 Automotive fuel filter - has multi-function bung reel of elastic material within outer housing, cheap to make and easy to fit |
| 01/12/1994 | EP0577660A1 Filter for liquids, in particular internal-combustion engine lubricant oils. |
| 01/11/1994 | US5277807 Seal for separation device |
| 12/23/1993 | DE4302161C1 Tube extension for filter pot of back flow filter - comprises tube extending from outlet connection projecting from free end of filter pot |
| 12/22/1993 | EP0575196A1 Fuel filter with internal vent |
| 12/21/1993 | US5271836 Disposal plug for filter cartridge |
| 12/09/1993 | DE4218396A1 Automotive filter incorporates two filter inserts - facilitating high quality seal between filtered air and unfiltered air |
| 11/04/1993 | DE4312076A1 Automotive ring filter element - has arched or circular active surface, to increase surface area and filter efficiency |
| 11/04/1993 | DE4214694A1 Long life filter esp. oil filter - has regions of differing pore width |
| 11/03/1993 | EP0477196B1 Filter and process for manufacturing filters using material cured by ultraviolet radiation for end caps |
| 10/26/1993 | US5256285 Filter container with double construction |
| 10/26/1993 | US5256284 Plastic electric fuel injection filter assembly and a welding method for the preparation thereof |
| 10/26/1993 | US5256280 Combination valve for liquid filter |
| 10/12/1993 | US5252207 Wrap member having openings |
| 10/05/1993 | US5250176 Modular valve assembly for oil filter |
| 09/14/1993 | US5244571 Fuel filter assembly with heater |
| 09/08/1993 | EP0558828A1 Double-filtering filter for vehicle engine lubricants, with compressible fine filtering cartridge |
| 09/07/1993 | US5242034 Oil reclamation device |
| 09/01/1993 | EP0557295A1 Filters. |
| 08/19/1993 | WO1993016315A1 Connector for fluid filter |
| 08/17/1993 | US5236579 Fuel filter assembly with modular drain bowl |
| 08/10/1993 | CA1321149C Filter for cleaning lubricating oil |
| 07/27/1993 | US5230795 Quick release oil filter |
| 07/20/1993 | CA1320453C Adapter assembly for filter arrangement |
| 07/13/1993 | US5227076 Clarification, back-pulse filtration |
| 07/01/1993 | DE4240656A1 Filter for engine fuel or lubricating oil |
| 06/29/1993 | CA1319620C Diesel fuel filter/water separator |
| 06/23/1993 | EP0547950A1 Oil filter |
| 06/23/1993 | EP0547291A1 Fuel filter and/or lubricating oil filter for internal combustion engines |
| 06/23/1993 | CN1073371A Modular valve assembly for oil filter |
| 06/09/1993 | DE4140140A1 Demountable lube oil canister filter which can be dismantled for replacement - has pan-shaped upper housing with valves to limit flow rate and prevent back-flow used for internal combustion engines |
| 06/08/1993 | USRE34274 Readily removable; removing contaminants from circulating liquids such as llubricating systems |
| 06/08/1993 | US5217606 Double-filtering filter for vehicle engine lubricants, with compressible fine filtering cartridge |
| 06/02/1993 | CN1021018C Filter apparatus for filtering liquid |