| 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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| 09/28/1993 | US5248417 Double flow-through filtration apparatus |
| 09/28/1993 | US5248414 Filter having improved means of positive shutoff incorporating sleeve valve seat |
| 09/28/1993 | CA1322536C Combined filter and heat exchanger |
| 09/23/1993 | DE4308390A1 Electric charging, coagulation and filtering of particles suspended in fluid, e.g. air, water, oil, cleaning liq, working liq - arranging electric charging electrode in passage region through which fluid flows, electrode being made of conducting material |
| 09/21/1993 | US5246580 Apparatus for separating solid particles from a liquid |
| 09/21/1993 | US5246578 Filter press and cleaning means therefor |
| 09/21/1993 | US5246571 Clogging indicator for an aquarium filter |
| 09/21/1993 | CA2032041C Liquid line service and process device |
| 09/16/1993 | WO1993018225A1 Method and apparatus for increasing the density of particulates on a substrate |
| 09/16/1993 | DE4207564A1 Verfahren und vorrichtung zum filtern von fluessigkeiten, insbesondere von walzoel Method and apparatus for filtering liquids, especially walzoel |
| 09/15/1993 | CN2142040Y Multi-function vacuum filter for oil |
| 09/15/1993 | CN2142037Y Filter for water treatment |
| 09/15/1993 | CN1076137A Method of and apparatus for cleaning air and humidifier |
| 09/14/1993 | US5244571 Fuel filter assembly with heater |
| 09/08/1993 | EP0558807A1 Inside filter for aquarium |
| 09/07/1993 | US5242589 Filter that changes the direction of water current arbitrarily |
| 09/07/1993 | US5242588 Filter unit assembly |
| 09/07/1993 | US5242587 Filter with porous media and electrostatic and magnetic plates |
| 09/07/1993 | US5242581 Shut-off valve |
| 09/07/1993 | US5242034 Oil reclamation device |
| 09/07/1993 | US5241979 Structure of an elbow pipe |
| 09/07/1993 | CA1321955C Water repurification method of city water and its equipment |
| 09/02/1993 | DE4206420A1 Hydraulic system filter - has by-pass line providing feed pump supply, to avoid cavitation |
| 09/02/1993 | DE4205976A1 Fuel filter at base of fuel tank - has tubular projection at top of filter body connecting inside of filter to exterior and sliding inner face |
| 09/01/1993 | EP0557376A1 Filtering method and apparatus. |
| 09/01/1993 | EP0498822B1 Pulseless screen |
| 09/01/1993 | CN2141318Y Self-cleaning type domestic purifier |
| 08/31/1993 | US5240620 Filter apparatus with internal cavity containing filter media, projecting entrance and exit spouts to be received in necks of dispensing and receiving containers |
| 08/31/1993 | US5240593 Apparatus for the purification of fluids |
| 08/31/1993 | US5239861 Device for indicating contamination degree of hydraulic circuit and method of judging the contamination degree |
| 08/31/1993 | CA1321760C Method for thickening of slurry and for its treatment with liquid as well as a drum filter |
| 08/25/1993 | EP0557258A1 Apparatus for filtering suspensions |
| 08/25/1993 | EP0556961A1 Filtering apparatus |
| 08/25/1993 | EP0556506A1 Modular filter system |
| 08/25/1993 | EP0556219A1 Effluent filtration. |
| 08/25/1993 | EP0556189A1 Anti-static fuel filter. |
| 08/25/1993 | EP0556188A1 Candle precoated filter for residual volume filtration. |
| 08/25/1993 | EP0548289A4 Method of washing an upflow filter and filter bed employed in said filter |
| 08/25/1993 | EP0539569A4 Plastic filter |
| 08/25/1993 | CN2141057Y Fuel tank for oil heating equipment |
| 08/25/1993 | CN1075434A Metalworking fluid management system |
| 08/24/1993 | US5238584 Downwardly sloping support tray and wedge-shaped plow blade having resilient scraper |
| 08/24/1993 | US5238559 Filter device |
| 08/24/1993 | US5238117 Mineral processing screen separator |
| 08/24/1993 | CA1321553C Personal, portable, disposable tap water filter |
| 08/20/1993 | CA2071352A1 Modular filter system |
| 08/19/1993 | WO1993016315A1 Connector for fluid filter |
| 08/19/1993 | WO1993015821A1 Liquid filtration module and apparatus |
| 08/19/1993 | WO1993015820A1 Fuel line coupling and support mechanism |
| 08/19/1993 | CA2107888A1 Liquid filtration module and apparatus |
| 08/18/1993 | EP0555593A1 Process for hydrogenatively treating petroleum distillation residual oils |
| 08/17/1993 | US5236584 Vacuum filtration apparatus |
| 08/17/1993 | US5236582 Filter device for an aquatic tank |
| 08/17/1993 | US5236581 Spa with filter assembly accessible through its coping lip |
| 08/17/1993 | US5236579 Fuel filter assembly with modular drain bowl |
| 08/17/1993 | US5236064 Lubricant charging device |
| 08/17/1993 | CA1321359C Device for separation of a liquid medium containing constituents which are separable in a filter |
| 08/12/1993 | DE4303427A1 Filter with min. dead space in housing for filtered coating soln. - to minimise coagulation, e.g. for filtering thixotropic magnetic coating soln. for diskette or video tape prodn. |
| 08/10/1993 | US5234593 Filter for purification of platelets |
| 08/10/1993 | US5234589 Filter assembly |
| 08/10/1993 | US5234585 Vacuum filtration device |
| 08/10/1993 | US5234550 Wall means having slots between adjacent bars for withdrawing liquid from particle material |
| 08/10/1993 | US5234165 Agricultural sprayers |
| 08/10/1993 | CA1321149C Filter for cleaning lubricating oil |
| 08/05/1993 | WO1993014853A1 Double-density commercial filtering system |
| 08/04/1993 | EP0553749A2 Apparatus for removing filtrate from filter media |
| 08/04/1993 | EP0553637A1 Filter material, in particular for oil, gasoline or diesel filter for automotive vehicles |
| 08/04/1993 | EP0553564A2 Automatic dewaxing filter washing system and method |
| 08/04/1993 | EP0553438A1 Liquid filtration process |
| 08/04/1993 | EP0553076A1 A method of washing filters, and filters for liquid filtration. |
| 08/04/1993 | EP0534985A4 Water purification system with filter cleaning mechanism |
| 08/03/1993 | US5232587 Stormwater inlet filter |
| 07/29/1993 | DE4140770A1 Waste water cleaning unit, especially for use underground - comprising cylindrical housing contg. filter element(s) with water level in housing automatically reduced and filter cake removed compressed air when required |
| 07/28/1993 | EP0552594A1 A pressurised percolating filter of the type used for the regeneration of water in aquariums |
| 07/28/1993 | EP0439532B1 Device for the parallel filtration of a plurality of samples with automatic control of filtered volumes and of clogging as well as with filter indexing, and filtration method |
| 07/27/1993 | US5230812 Pressure vessel |
| 07/27/1993 | US5230793 Chip filtration and removal system |
| 07/25/1993 | CA2087897A1 Air cleaning method, cleaning apparatus, and mist generator |
| 07/23/1993 | CA2087773A1 Material for filters, especially oil, petrol or diesel filters of motor vehicles |
| 07/22/1993 | DE4300493A1 Sludge filter - has closure blocks to be operated for rinsing to clean filter without interrupting the filtration |
| 07/22/1993 | DE4201041A1 Filter for liquids, esp. internal combustion engine lubricants |
| 07/21/1993 | EP0545934A4 Filter apparatus for machine tool coolant |
| 07/21/1993 | CA2086726A1 Pressurized percolating filter of the type used for the regeneration of water in aquariums |
| 07/20/1993 | US5228990 Oil filter |
| 07/20/1993 | CA1320453C Adapter assembly for filter arrangement |
| 07/14/1993 | EP0550991A1 Metalworking fluid management system |
| 07/14/1993 | CN2137981Y Mineralized water generator |
| 07/13/1993 | US5227076 Clarification, back-pulse filtration |
| 07/13/1993 | US5227050 Floating suction extractor for skimming liquids having a tendency to foam |
| 07/08/1993 | WO1993012853A1 Vacuum filtration device |
| 07/07/1993 | CN2137557Y Improved structure of water-filter |
| 07/01/1993 | DE4240656A1 Filter for engine fuel or lubricating oil |
| 06/30/1993 | EP0548766A2 System and method for soil decontamination using recoverable extraction and injection probes |
| 06/30/1993 | EP0548289A1 Method of washing an upflow filter and filter bed employed in said filter |
| 06/29/1993 | US5223135 Swimming pool cleaner |
| 06/29/1993 | CA1319620C Diesel fuel filter/water separator |
| 06/23/1993 | EP0547951A1 Gasoil filter |
| 06/23/1993 | EP0547950A1 Oil filter |
| 06/23/1993 | EP0547896A2 Reclamation device |
| 06/23/1993 | EP0547353A2 Method and apparatus for treating wastes from metallworking of ferromagnetic materials |