Patents
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)
10/1994
10/11/1994US5354455 Double-density commercial filtering system
10/05/1994EP0617992A1 A filter for filtering molten resin and a filtering device for multi-layer resin forming
10/05/1994CN2178556Y Water treatment apparatus with double filter rooms
10/03/1994CA2120323A1 Photoconductor for electrophotography
09/1994
09/29/1994WO1994021855A1 Process and apparatus for high capacity and high pressure feeding
09/29/1994WO1994021350A1 Compressible differential pressure energized seals for filter elements and the like
09/28/1994EP0617194A2 A well screen
09/28/1994EP0616837A2 Separation-science medium support plate
09/28/1994EP0616829A2 Filter for liquids with solid particles in suspension, in particular lubricating and cooling fluid in machine tools
09/28/1994EP0616828A1 Filters for liquid
09/28/1994EP0616827A1 Liquid filter
09/28/1994EP0616825A1 Fluid filter assemblies
09/28/1994EP0616824A1 Filter support
09/28/1994EP0540546B1 Filter for thermoplastic material
09/27/1994US5350526 Filtration apparatus and method for removing particulate contaminants from commercial laundry waste water
09/27/1994US5350515 Internally potted end cap for a pleated filter medium
09/23/1994CA2119520A1 Sintered spherical plastic bead prepack screen aggregate
09/22/1994DE4407629A1 Backwashable filter apparatus
09/22/1994DE4340218C1 Filter apparatus
09/22/1994DE4312548C1 Process and apparatus for purifying liquids
09/22/1994DE4310129C1 Filter element
09/22/1994DE4308954A1 Backwashable filter apparatus
09/21/1994EP0615957A1 Device for dehydrating sludge waste
09/21/1994EP0615829A1 Filter device
09/21/1994EP0615519A1 Structure for a filter or a heat exchanger and a method for making the structure
09/21/1994EP0535046B1 Filter screen and method for repairing it
09/21/1994CN2177516Y Combined filter with changeable filtering material
09/21/1994CN2177515Y Gasoline filtering core assembly
09/21/1994CN1092335A Multi-layer composite screen
09/20/1994US5348660 Reduction of dead space; thixotropic magnetic coatings
09/20/1994US5348647 Water filter with back wash function
09/15/1994DE4329587C1 Apparatus for filtering liquid
09/14/1994EP0614689A2 Integrated treatment system for refinery oily sludges
09/14/1994EP0614397A1 Sewage water installation with an incorporated screening unit.
09/14/1994CN2176815Y Purifying oil-filtering machine
09/14/1994CN2176814Y Automatic dregs-clearing cloth-tube filter
09/14/1994CN2176813Y Filtering funnel for water-filling of thermos bottle
09/13/1994CA2006650C Filtering apparatus
09/08/1994DE4306774A1 Device for connecting bonded-gravel filter pipes for wells, in particular for a suspended installation
09/07/1994EP0613710A1 Filtering apparatus
09/07/1994EP0613509A1 Method of manufacturing a screen product and a screen product manufactured by the method.
09/07/1994CN2176199Y Envelope and package sealing-off machine with dust collector
09/07/1994CN2176173Y Assembled pre-treating filter
09/06/1994US5344576 Continuous particle separation process
09/06/1994US5344565 Method of treating a clogged porous medium
09/06/1994US5344559 Filter cartridge
09/06/1994US5344556 Filter media rewinding mechanism
09/01/1994WO1994019578A1 Well screen apparatus
09/01/1994WO1994019533A1 Straining device
09/01/1994WO1994019087A1 Filter media rewinding mechanism
09/01/1994WO1994019086A1 Filter assembly
09/01/1994WO1994019085A1 Filter for fluids
09/01/1994DE4325997C1 Liquid filter having a filter insert
09/01/1994CA2154072A1 Filter media rewinding mechanism
08/1994
08/31/1994EP0612549A2 Oil filter for purifying lubricating oil
08/31/1994CN1091398A Purifying pool for removal of suspended particles from waste water
08/30/1994US5342520 Filter for a rockdrill
08/30/1994US5342518 Filtration system and mount for beverage dispensers and automatic beverage brewing machines
08/30/1994US5341880 Sand screen structure with quick connection section joints therein
08/25/1994DE4305099A1 Method for cleaning a filter device, and filter device for applying the method
08/25/1994CA2108949A1 Filter assembly
08/24/1994EP0513139B1 Modular device for collecting, incubating and filtering of multiple samples
08/24/1994CN2175224Y Multi-purpose device for purifying drinking water of pen-shaped
08/24/1994CN2175026Y Equipment for dirt collection, oil remove and dewatering
08/24/1994CN1091052A 过滤器 Filter
08/23/1994US5340479 Depth filter cartridge and method and apparatus for making same
08/23/1994US5340471 Portable cooking oil filter apparatus
08/23/1994US5339895 Sintered spherical plastic bead prepack screen aggregate
08/18/1994WO1994018387A1 Pressurized screen arrangement
08/18/1994WO1994017981A1 Filter device for fluids, especially thermoplastic fluids
08/18/1994WO1994017896A1 An apparatus for the separation of solids from flowing liquid
08/18/1994WO1994017895A1 Process and apparatus for controlling the dewatering of suspensions
08/18/1994WO1994017752A1 Solids collector used in dentistry
08/18/1994DE4404290A1 Built-in filter for pipe strings
08/18/1994DE4345018A1 Verfahren und Vorrichtung zum Abtrennen von Feststoffen aus Flüssigkeiten Method and apparatus for separating solids from liquids
08/18/1994DE4310234C1 Backflow filter for liquids
08/18/1994CA2154256A1 Pressurized screen arrangement
08/17/1994EP0610545A1 Filter cartridge
08/17/1994CN2174470Y Mineralized micro-water purifier
08/17/1994CN2174247Y Multi-function filter for liquid
08/17/1994CN1025687C Method of manufacturing a selective isolation screen
08/17/1994CN1025653C Device and method for the depletion of the leukocyte content of blood and blood components
08/16/1994US5338446 Filter unit for in-line use in a pool vacuum hose
08/16/1994US5338443 Filter media tensioning device
08/11/1994DE4303694A1 Liquids filter with overflow valve
08/11/1994DE4303123A1 Domestic-water station
08/10/1994EP0609275A1 Ceramic filtering element for tangential flow filtration of liquids and gasses.
08/10/1994CN2173648Y Moveable combined solid-liquid separator treatment unit
08/10/1994CN2173647Y Salt liquor filter
08/10/1994CN2173646Y 净水器 Water Purifier
08/10/1994CN2173645Y Bag self-cleaning duster
08/10/1994CN1090519A Belt type vacuum filter
08/09/1994US5336405 Filter cartridge end cap assembly
08/09/1994US5336396 Waste oil management system
08/04/1994WO1994016794A1 Basin for eliminating floating particles from sewage water
08/03/1994EP0609079A1 Process for producing liquid and, optionally gaseous products from gaseous reactants
08/03/1994EP0608721A1 Filtration apparatus with exchangeable filters
08/03/1994EP0424439B1 Apparatus and method for the autotransfusion of blood
08/03/1994CN2173107Y Arc shape filter for vector flow cleaning space
08/03/1994CN1090215A Continuous dual-chamber filter