| Patents for B01D 36 - Filter circuits or combinations of filters with other separating devices (7,816) |
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| 08/06/1992 | DE4102839A1 Emulsion separator for separation of aqueous oil dispersion from machines - has sound vibration energy cleaned sieve screen |
| 07/30/1992 | DE4101701A1 Filter fuer werkzeugmaschinen Filters for machine tools |
| 07/29/1992 | EP0496010A1 Metal hydroxide crystallizer and filter |
| 07/29/1992 | CN2111286U Magnet filter on water pipe |
| 07/29/1992 | CN2111132U Oil, slag and water separator |
| 07/28/1992 | US5134078 Withdrawal of ground water from soil, anaerobic, then aerobic biodegradation, slow filtration, returning it to flush the soil |
| 07/28/1992 | US5133860 Solid and liquid separator with a liquid filter |
| 07/28/1992 | US5133619 Storm water filtration system for use with conventional storm water collection sewers |
| 07/23/1992 | DE4101332A1 Device for cleaning filter layer in waste water clarifier |
| 07/22/1992 | EP0495403A1 Apparatus for waste-water cleaning |
| 07/22/1992 | CN1062852A Antifouling gap filter device |
| 07/21/1992 | US5132009 Filter for a fuel system |
| 07/21/1992 | CA1305569C Method and apparatus for use in separating solids from liquids |
| 07/15/1992 | CN2109878U Clock cover siphon type automatic filter |
| 07/14/1992 | US5130029 Flotation method for purification of a liquid from solid and liquid impurities |
| 07/14/1992 | US5130023 Filter cartridge with end densification ring |
| 07/11/1992 | WO1992011917A1 Continuous particle separation process |
| 07/11/1992 | CA2077544A1 Continuous particle separation process |
| 07/08/1992 | CN2109242U Multi-stage water filting device |
| 06/25/1992 | DE4041433A1 Multiphase sample mixt. prepn. appts. - includes back-flushable cross-flow filter |
| 06/23/1992 | US5124035 Apparatus for treatment of effluent |
| 06/17/1992 | CN2107308U Micro- separater for oil from water |
| 06/16/1992 | US5122286 Filter changing apparatus for flowable plastic material |
| 06/16/1992 | US5122276 For removal of both entrained water and suspended solid particles from nonaqueous fluids |
| 06/10/1992 | EP0489626A1 Reactor for biological oxidation and reduction; process for biofiltration and process for rinsing the reactor |
| 06/10/1992 | EP0489403A2 Filter for parenteral systems |
| 06/03/1992 | EP0488975A1 Apparatus for filtering of liquid |
| 06/02/1992 | US5118411 Filtration system for liquids with suspended particles |
| 06/02/1992 | CA1302300C Filter apparatus |
| 05/27/1992 | EP0487231A2 Oil filter |
| 05/27/1992 | EP0487203A2 Oil filter having gas separator |
| 05/27/1992 | EP0486588A1 Process and apparatus for recycling food processing water |
| 05/21/1992 | CA2054421A1 Oil filter |
| 05/21/1992 | CA2051944A1 Oil filter having gas separator |
| 05/20/1992 | EP0444141A4 Dry cleaning solvent filtration and recovery system |
| 05/19/1992 | US5114575 Oil filter |
| 05/15/1992 | EP0593434A4 Fuel filter. |
| 05/12/1992 | US5112483 Slow sand/nanofiltration water treatment system |
| 05/12/1992 | US5112479 Oil purification unit with cyclonic reservoir section and filtration section |
| 05/12/1992 | US5112476 Liquid filter assembly |
| 05/07/1992 | DE4035071A1 Vehicle air-conditioning filter drier - has exchangeable insert contg. driving medium and pre-assembled filter in operative state |
| 05/05/1992 | US5110482 Water repurification method of city water and its equipment |
| 05/05/1992 | US5110460 Centrifugal separator for a liquid capable of waxing, in particular for diesel oil |
| 04/21/1992 | US5106506 Filter stack for insertion in a filter device |
| 04/21/1992 | US5106501 Multi-function filter cartridge with flow distribution control |
| 04/15/1992 | EP0480591A2 Oil filter having gas separator |
| 04/14/1992 | US5104533 Filtration unit with pressure compensation |
| 04/13/1992 | CA2051719A1 Oil filter having gas separator |
| 04/07/1992 | US5102543 Improved rotatable spool valve for use with filter cartridges |
| 03/25/1992 | EP0476281A2 Purification device for waste water loaded with deposit and/or floating material |
| 03/25/1992 | EP0185086B1 Repelling-action filter unit and assembly |
| 03/25/1992 | CN1059670A Smoke-eliminating and dust removing device and method thereof |
| 03/18/1992 | EP0475338A1 Apparatus to separate gaseous substances from a liquid |
| 03/13/1992 | WO1992003930A1 Device for obtaining nourishing substances by extraction from bones and, where appropriate, meat adhering thereto |
| 03/11/1992 | EP0473722A1 Filter for continuous filtration. |
| 03/10/1992 | US5094745 Coolant filter with inhibitor pack |
| 03/05/1992 | CA2050534A1 Apparatus for treatment of affluent |
| 03/03/1992 | US5093006 Liquid separator |
| 02/25/1992 | US5091081 Ultrafiltration |
| 02/25/1992 | US5090498 Water wash/oil wash cyclonic column tank separation system |
| 02/18/1992 | US5089132 Filter assembly |
| 02/12/1992 | EP0470440A1 A fuel filter equipped with a quick fastening cover for an internal combustion engine |
| 02/12/1992 | EP0470100A1 Attachment for a separator |
| 02/04/1992 | US5085677 Oil deaerator device |
| 01/29/1992 | EP0262151B1 Filter pump head assembly |
| 01/28/1992 | US5084170 Fuel filter |
| 01/28/1992 | US5084168 System for removing substances from a solution |
| 01/22/1992 | EP0466753A1 A process and apparatus for continuous filtering and liquid displacement of a liquid suspension of a fibrous or finely-divided material. |
| 01/22/1992 | EP0428711A4 Method and apparatus for clarifying liquids |
| 01/14/1992 | US5080807 Filtration, suspension |
| 01/08/1992 | EP0464322A1 Automatic plant for the microfiltration of liquids, in particular of wines |
| 01/08/1992 | CN2092363U Dust removing waste water purification device |
| 01/07/1992 | US5078875 Device for removing solid particles and liquids of higher density from a liquid of lower density |
| 01/07/1992 | US5078861 Water clarifying apparatus |
| 01/07/1992 | US5078859 Stock screening apparatus |
| 01/02/1992 | EP0463538A1 Cycle of filtration for liquids containing solids in suspension and rotary filter suited to realize said cycle of filtration |
| 01/02/1992 | EP0463442A1 Process and device for preparing wastes from machining by removal of ferromagnetic materials |
| 01/02/1992 | EP0463195A1 Movable device for the purification of all kinds of sewage |
| 01/02/1992 | DE4119154A1 Device for treating wastewater, comprises sludge trap chamber for collecting sludge and solids contained in the wastewater, filter chamber for collecting floats and immiscible light liquids, inlet, outlet and coalescence filter box |
| 12/31/1991 | US5076936 Removal of radioactive contaminants from liquid hazardous materials; heating, chelating, filtration |
| 12/31/1991 | US5076933 Filtration with diethylaminoethyl cellulose filter membrane an d quaternary aminoalkyl salt-coated filters |
| 12/30/1991 | WO1992000132A1 Process and apparatus for removal of dna and viruses |
| 12/30/1991 | CA2084873A1 Process and apparatus for removal of dna and viruses |
| 12/25/1991 | CN1015152B Water purification device with intake-funnel |
| 12/25/1991 | CN1015151B Filter cover for purification insert in water treatment device hollow tube |
| 12/24/1991 | US5075001 Method and apparatus for recovering fibrous material from a paper/pulp process water stream |
| 12/24/1991 | US5074989 Concentrating slurry; circulation |
| 12/24/1991 | US5074381 Apparatus for removing solid particulates from oil |
| 12/24/1991 | CA2045307A1 Apparatus for the purification of waste water |
| 12/12/1991 | DE4014551C1 Venting valve for fuel filter - has ball inside which floats in fuel and can be pressed against valve seat to prevent fuel flow into return line |
| 12/10/1991 | CA1292953C Filter assembly with threaded collection bowl |
| 12/05/1991 | WO1991018836A1 Improved water clarifying apparatus |
| 12/03/1991 | US5069755 Dry cleaning solvent filtration and steam distillation recovery system |
| 11/26/1991 | US5068029 Two-chamber fluid/solids treatment vessel |
| 11/21/1991 | EP0457641A1 Self-cleaning filter and device containing said filter |
| 11/21/1991 | EP0456997A2 Device for separating solids from a liquid |
| 11/20/1991 | CN2088893U Water purficating device |
| 11/19/1991 | CA1292190C Method and system for cleansing a filter bed |
| 11/14/1991 | WO1991016962A1 Water treatment system for a fuel cell power plant |
| 11/14/1991 | WO1991016960A1 Coolant filter with inhibitor pack |