| Patents for B01D 35 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions (28,776) |
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| 02/13/1990 | US4900438 Pump mounting for a filtration system |
| 02/08/1990 | WO1990000925A1 Combined pre-heating and filtering device, in particular for automobile engines |
| 02/08/1990 | WO1990000923A1 Quick change oil filter system |
| 02/08/1990 | DE3825958A1 Catalyst module for honeycomb-like catalyst elements |
| 02/07/1990 | EP0353422A1 Process and apparatus for filtration |
| 02/07/1990 | EP0353284A1 Nozzle for screen apparatus |
| 02/07/1990 | CN1006681B Filtration apparatus |
| 02/06/1990 | US4898668 Fuel filter with heater |
| 02/01/1990 | DE3825176A1 Bausteinfoermiges kombiniertes filtergeraet Bausteinfoermiges combined filtergeraet |
| 01/31/1990 | CN1039188A 流体过滤器 Fluid filter |
| 01/30/1990 | US4897193 Quantitative separation; immunoassays |
| 01/30/1990 | US4897190 Membrane filter plate |
| 01/30/1990 | US4897188 Filtering device |
| 01/30/1990 | US4897186 Fluid filter |
| 01/30/1990 | US4896783 Container and cap assembly |
| 01/30/1990 | CA1265093A1 Process for cleaning metal filters |
| 01/30/1990 | CA1265066A1 Multiple-disc type filters |
| 01/25/1990 | DE3923585A1 Combining filter for mains water - with electrolytic treatment preventing lime deposits inside household equipment |
| 01/25/1990 | DE3824450A1 Filter device for liquids |
| 01/24/1990 | EP0352213A1 Liquid conditioning element |
| 01/24/1990 | EP0179870B1 Separation of dispersed phase from continuous phase |
| 01/23/1990 | US4895655 Filtration apparatus |
| 01/23/1990 | US4895654 Purified water dispensing and reject water control valve assembly |
| 01/23/1990 | US4895651 Personal, portable, disposable tap water filter |
| 01/23/1990 | US4895648 Filter cover for a purification insert in a water treatment device with a hollow tube |
| 01/23/1990 | US4895647 Filtering apparatus |
| 01/23/1990 | CA1264678A1 Portable water purification system |
| 01/17/1990 | EP0350884A2 Water filtering device with a filter element |
| 01/17/1990 | EP0350761A2 Drum separator for cooling lubricants |
| 01/17/1990 | CN2051131U Multifunction pipeline filter |
| 01/16/1990 | US4894156 Hose construction, coupling arrangement therefor and method of making the same |
| 01/16/1990 | US4894153 Magnetic attachment for a filter |
| 01/10/1990 | EP0349744A2 Slit tube filter |
| 01/10/1990 | EP0349727A2 Filter device |
| 01/09/1990 | US4892832 Filter bag for microbiological examination |
| 01/09/1990 | US4892710 Cartridge assembly with multi-purpose closure tubing |
| 01/09/1990 | CA1264304A1 Method for screening or fractionation |
| 01/03/1990 | EP0151131B1 Self-regulating porous heater device |
| 01/03/1990 | CN2050482U Dirt alarm of diesel motor fuel filter |
| 01/03/1990 | CN1006281B Self-cleaning fluid filter |
| 12/27/1989 | EP0347872A1 Ventilating device for an oil tank preferably made of plastics |
| 12/27/1989 | EP0347620A2 Pressure filter |
| 12/27/1989 | EP0347464A1 Device for separation of ferromagnetic materials from fluid media |
| 12/27/1989 | CN2050073U Multi-functional large flow turbine oil purified device |
| 12/26/1989 | USRE33135 Pump apparatus |
| 12/26/1989 | US4889642 Method and filtration apparatus for purifying solvents |
| 12/26/1989 | US4889621 Oil strainer for an automatic transmission |
| 12/21/1989 | DE3820678A1 Pressure filter |
| 12/21/1989 | DE3820675A1 Oil filter for an internal combustion engine |
| 12/20/1989 | EP0346692A1 Plastic fluid filter and method for manufacturing same |
| 12/19/1989 | US4888111 Process filter |
| 12/19/1989 | US4888110 Filtering device for thermoplastic material |
| 12/14/1989 | WO1989011899A1 Tandem hollow fiber cell culture product harvest system |
| 12/12/1989 | US4886601 Column filter using bundles of long fibers |
| 12/12/1989 | US4886599 Filter cartridge with series elements for chemical and mechanical filtration |
| 12/07/1989 | DE3818437A1 Filter battery |
| 12/06/1989 | EP0344633A1 Column filter using bundles of long fibers |
| 12/06/1989 | EP0344262A1 Procedure and means for filtering and homogenizing liquid substances |
| 12/06/1989 | EP0344206A1 A combined filter and heat exchanger. |
| 12/06/1989 | CN2048779U Tansverse flow water clarifier |
| 12/05/1989 | US4885036 For removal of manganese dioxide precipitates from cleaning solution for printed circuit boards |
| 11/30/1989 | WO1989011324A1 Device for separating ferromagnetic materials from fluid media |
| 11/29/1989 | EP0343976A2 Filtering apparatus |
| 11/29/1989 | EP0165992B1 Filtration method and apparatus |
| 11/29/1989 | CN1037464A Filter cover for purification insert in water treatment device with hollow tube |
| 11/28/1989 | US4883588 Underwater filter system |
| 11/28/1989 | US4883083 Relief valve assembly; piston member from same and filter head assembly incorporating same |
| 11/22/1989 | CN2047986U Water filtering cock improved on its structure |
| 11/21/1989 | US4882061 Filter apparatus |
| 11/21/1989 | US4882051 Cartridge filter incorporating a bag-like body |
| 11/21/1989 | US4882045 Dispersal apparatus with rotation valving |
| 11/15/1989 | EP0341763A2 Method to filter sugar juice and other viscous liquids |
| 11/15/1989 | EP0341356A1 Filtering device |
| 11/15/1989 | EP0341345A1 Valve with an integrated filter |
| 11/15/1989 | EP0341263A1 Fluid filters. |
| 11/15/1989 | CN2047595U Strainer with reverse-size filter |
| 11/14/1989 | US4880536 Filter assembly of a manifold, mounting ring and filter housing |
| 11/14/1989 | CA1262871A1 Filter block mounted fuel processor apparatus |
| 11/08/1989 | EP0340382A2 Screen cover for a cleaning insert in a water regeneration device with a hollow tube |
| 11/08/1989 | CN2047197U Bilateral filter with stop valve |
| 11/07/1989 | US4879035 All season fuel filter |
| 11/07/1989 | US4878924 Integrated separator for solid and gas contaminants in engine oil |
| 11/07/1989 | US4878536 Combined filter and heat exchanger |
| 11/07/1989 | CA1262714A1 Catalytic converter substrate |
| 10/31/1989 | USRE33103 Strainer |
| 10/31/1989 | US4877521 Quick-change filter cartridge and head therefor |
| 10/25/1989 | EP0338432A2 Filtering device for a liquid mixture |
| 10/25/1989 | EP0338043A1 Process and plant for clarifying liquids, in particular raw juice |
| 10/24/1989 | US4876013 Small volume rotary filter |
| 10/19/1989 | WO1989009645A1 Water-filtering device |
| 10/18/1989 | EP0337936A1 Domestic water station |
| 10/18/1989 | EP0337851A1 Filtering device, especially for a lubrication circuit of a turbomachine |
| 10/18/1989 | EP0337455A1 Device and method for reducing volume of aqueous waste effluents |
| 10/18/1989 | EP0337154A2 Filter for pressurized fluids |
| 10/17/1989 | US4874533 Papermaking |
| 10/17/1989 | US4874513 Disposable filter unit with filter support means at both sides of the filter element |
| 10/17/1989 | US4874510 Filter for fuel tank |
| 10/11/1989 | EP0336707A2 Pressure indicator |
| 10/11/1989 | CN1005391B Filtering device for fluid |
| 10/05/1989 | WO1989009255A1 Process and installation for recovering oils and fats from natural products |