| Patents for B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor (33,527) |
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| 10/11/1994 | US5354455 Double-density commercial filtering system |
| 10/05/1994 | EP0617992A1 A filter for filtering molten resin and a filtering device for multi-layer resin forming |
| 10/05/1994 | CN2178556Y Water treatment apparatus with double filter rooms |
| 10/03/1994 | CA2120323A1 Photoconductor for electrophotography |
| 09/29/1994 | WO1994021855A1 Process and apparatus for high capacity and high pressure feeding |
| 09/29/1994 | WO1994021350A1 Compressible differential pressure energized seals for filter elements and the like |
| 09/28/1994 | EP0617194A2 A well screen |
| 09/28/1994 | EP0616837A2 Separation-science medium support plate |
| 09/28/1994 | EP0616829A2 Filter for liquids with solid particles in suspension, in particular lubricating and cooling fluid in machine tools |
| 09/28/1994 | EP0616828A1 Filters for liquid |
| 09/28/1994 | EP0616827A1 Liquid filter |
| 09/28/1994 | EP0616825A1 Fluid filter assemblies |
| 09/28/1994 | EP0616824A1 Filter support |
| 09/28/1994 | EP0540546B1 Filter for thermoplastic material |
| 09/27/1994 | US5350526 Filtration apparatus and method for removing particulate contaminants from commercial laundry waste water |
| 09/27/1994 | US5350515 Internally potted end cap for a pleated filter medium |
| 09/23/1994 | CA2119520A1 Sintered spherical plastic bead prepack screen aggregate |
| 09/22/1994 | DE4407629A1 Backwashable filter apparatus |
| 09/22/1994 | DE4340218C1 Filter apparatus |
| 09/22/1994 | DE4312548C1 Process and apparatus for purifying liquids |
| 09/22/1994 | DE4310129C1 Filter element |
| 09/22/1994 | DE4308954A1 Backwashable filter apparatus |
| 09/21/1994 | EP0615957A1 Device for dehydrating sludge waste |
| 09/21/1994 | EP0615829A1 Filter device |
| 09/21/1994 | EP0615519A1 Structure for a filter or a heat exchanger and a method for making the structure |
| 09/21/1994 | EP0535046B1 Filter screen and method for repairing it |
| 09/21/1994 | CN2177516Y Combined filter with changeable filtering material |
| 09/21/1994 | CN2177515Y Gasoline filtering core assembly |
| 09/21/1994 | CN1092335A Multi-layer composite screen |
| 09/20/1994 | US5348660 Reduction of dead space; thixotropic magnetic coatings |
| 09/20/1994 | US5348647 Water filter with back wash function |
| 09/15/1994 | DE4329587C1 Apparatus for filtering liquid |
| 09/14/1994 | EP0614689A2 Integrated treatment system for refinery oily sludges |
| 09/14/1994 | EP0614397A1 Sewage water installation with an incorporated screening unit. |
| 09/14/1994 | CN2176815Y Purifying oil-filtering machine |
| 09/14/1994 | CN2176814Y Automatic dregs-clearing cloth-tube filter |
| 09/14/1994 | CN2176813Y Filtering funnel for water-filling of thermos bottle |
| 09/13/1994 | CA2006650C Filtering apparatus |
| 09/08/1994 | DE4306774A1 Device for connecting bonded-gravel filter pipes for wells, in particular for a suspended installation |
| 09/07/1994 | EP0613710A1 Filtering apparatus |
| 09/07/1994 | EP0613509A1 Method of manufacturing a screen product and a screen product manufactured by the method. |
| 09/07/1994 | CN2176199Y Envelope and package sealing-off machine with dust collector |
| 09/07/1994 | CN2176173Y Assembled pre-treating filter |
| 09/06/1994 | US5344576 Continuous particle separation process |
| 09/06/1994 | US5344565 Method of treating a clogged porous medium |
| 09/06/1994 | US5344559 Filter cartridge |
| 09/06/1994 | US5344556 Filter media rewinding mechanism |
| 09/01/1994 | WO1994019578A1 Well screen apparatus |
| 09/01/1994 | WO1994019533A1 Straining device |
| 09/01/1994 | WO1994019087A1 Filter media rewinding mechanism |
| 09/01/1994 | WO1994019086A1 Filter assembly |
| 09/01/1994 | WO1994019085A1 Filter for fluids |
| 09/01/1994 | DE4325997C1 Liquid filter having a filter insert |
| 09/01/1994 | CA2154072A1 Filter media rewinding mechanism |
| 08/31/1994 | EP0612549A2 Oil filter for purifying lubricating oil |
| 08/31/1994 | CN1091398A Purifying pool for removal of suspended particles from waste water |
| 08/30/1994 | US5342520 Filter for a rockdrill |
| 08/30/1994 | US5342518 Filtration system and mount for beverage dispensers and automatic beverage brewing machines |
| 08/30/1994 | US5341880 Sand screen structure with quick connection section joints therein |
| 08/25/1994 | DE4305099A1 Method for cleaning a filter device, and filter device for applying the method |
| 08/25/1994 | CA2108949A1 Filter assembly |
| 08/24/1994 | EP0513139B1 Modular device for collecting, incubating and filtering of multiple samples |
| 08/24/1994 | CN2175224Y Multi-purpose device for purifying drinking water of pen-shaped |
| 08/24/1994 | CN2175026Y Equipment for dirt collection, oil remove and dewatering |
| 08/24/1994 | CN1091052A 过滤器 Filter |
| 08/23/1994 | US5340479 Depth filter cartridge and method and apparatus for making same |
| 08/23/1994 | US5340471 Portable cooking oil filter apparatus |
| 08/23/1994 | US5339895 Sintered spherical plastic bead prepack screen aggregate |
| 08/18/1994 | WO1994018387A1 Pressurized screen arrangement |
| 08/18/1994 | WO1994017981A1 Filter device for fluids, especially thermoplastic fluids |
| 08/18/1994 | WO1994017896A1 An apparatus for the separation of solids from flowing liquid |
| 08/18/1994 | WO1994017895A1 Process and apparatus for controlling the dewatering of suspensions |
| 08/18/1994 | WO1994017752A1 Solids collector used in dentistry |
| 08/18/1994 | DE4404290A1 Built-in filter for pipe strings |
| 08/18/1994 | DE4345018A1 Verfahren und Vorrichtung zum Abtrennen von Feststoffen aus Flüssigkeiten Method and apparatus for separating solids from liquids |
| 08/18/1994 | DE4310234C1 Backflow filter for liquids |
| 08/18/1994 | CA2154256A1 Pressurized screen arrangement |
| 08/17/1994 | EP0610545A1 Filter cartridge |
| 08/17/1994 | CN2174470Y Mineralized micro-water purifier |
| 08/17/1994 | CN2174247Y Multi-function filter for liquid |
| 08/17/1994 | CN1025687C Method of manufacturing a selective isolation screen |
| 08/17/1994 | CN1025653C Device and method for the depletion of the leukocyte content of blood and blood components |
| 08/16/1994 | US5338446 Filter unit for in-line use in a pool vacuum hose |
| 08/16/1994 | US5338443 Filter media tensioning device |
| 08/11/1994 | DE4303694A1 Liquids filter with overflow valve |
| 08/11/1994 | DE4303123A1 Domestic-water station |
| 08/10/1994 | EP0609275A1 Ceramic filtering element for tangential flow filtration of liquids and gasses. |
| 08/10/1994 | CN2173648Y Moveable combined solid-liquid separator treatment unit |
| 08/10/1994 | CN2173647Y Salt liquor filter |
| 08/10/1994 | CN2173646Y 净水器 Water Purifier |
| 08/10/1994 | CN2173645Y Bag self-cleaning duster |
| 08/10/1994 | CN1090519A Belt type vacuum filter |
| 08/09/1994 | US5336405 Filter cartridge end cap assembly |
| 08/09/1994 | US5336396 Waste oil management system |
| 08/04/1994 | WO1994016794A1 Basin for eliminating floating particles from sewage water |
| 08/03/1994 | EP0609079A1 Process for producing liquid and, optionally gaseous products from gaseous reactants |
| 08/03/1994 | EP0608721A1 Filtration apparatus with exchangeable filters |
| 08/03/1994 | EP0424439B1 Apparatus and method for the autotransfusion of blood |
| 08/03/1994 | CN2173107Y Arc shape filter for vector flow cleaning space |
| 08/03/1994 | CN1090215A Continuous dual-chamber filter |