Patents
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)
04/1992
04/28/1992US5108704 Microfiltration apparatus with radially spaced nozzles
04/28/1992US5108606 Water purification device
04/28/1992US5108602 Straining apparatus with a continuous inwardly helical open channel
04/28/1992US5108599 Low pressure liquid filter cartridge and method of making
04/28/1992US5108598 Horizontal motion quick-disconnect filter system with recirculating bypass
04/28/1992US5107896 Multi-functional valve
04/28/1992CA1299521C Screening device
04/23/1992DE4131732A1 Unit for feeding solid suspension to dewatering device - has storage vessels emptied using compressed air or water which contain deformable membrane
04/22/1992EP0481391A2 Backwash method and apparatus
04/22/1992EP0481390A1 Backwash method and apparatus
04/22/1992CN2102149U Drinking water purifier
04/21/1992US5106500 Portable water purification system including a filter cleaning mechanism
04/21/1992CA1298949C Filtering device for thermoplastic material
04/19/1992WO1992006763A1 Continuous filter
04/17/1992CA2037888A1 Backwash method and apparatus
04/17/1992CA2037799A1 Backwash method and apparatus
04/16/1992WO1992005856A1 Push-on automotive filter
04/16/1992WO1992005855A1 Water filter having a horizontal inlet channel
04/15/1992EP0480591A2 Oil filter having gas separator
04/15/1992EP0480491A1 Method of treating waste liquids; plant and hollow filter member for using the same
04/15/1992EP0237549B1 Flux diverting flow chamber for high gradient magnetic separation of particles from a liquid medium
04/15/1992CN2101519U Civil water filter
04/14/1992US5104553 Apparatus for filtering a reagent
04/13/1992CA2051719A1 Oil filter having gas separator
04/08/1992EP0479052A1 Separation process of metal ions from process- and waste water
04/08/1992CN2100935U Integrated disposable water purifier
04/08/1992CN2100934U Drinking water purifier
04/07/1992US5102543 Improved rotatable spool valve for use with filter cartridges
04/07/1992US5102534 Automatic filter cleaning device by ultrasound generator modulated thru device side wall
04/07/1992US5101850 Filter change liquid shutoff safety interlock device
04/05/1992CA2052614A1 Method and apparatus for filtering dry cleaning solvent
04/02/1992WO1992005346A1 Filter accessory
04/02/1992WO1992004961A1 Apparatus and methods for magnetic separation
04/02/1992DE4030376A1 Filtration system for waste water - biological filter in which water passes downward through filter bed has distributor which oxygen bubbles upward through bed
04/02/1992DE4030304A1 Filter zum filtern von gasfoermigen und fluessigen medien Filters for filtering of houses on gaseous and liquid media
04/01/1992EP0477185A1 Laboratory filtration apparatus
04/01/1992EP0341263B1 Fluid filters
04/01/1992CN2100249U Domestic drinking water purifier
04/01/1992CN2100248U Tubular filter for polymer melt
04/01/1992CN1059960A 阀门 Valve
03/1992
03/31/1992US5100541 In-line debris trap for swimming pool filtration system
03/31/1992US5099954 Oil strainer device of an automatic transmission
03/26/1992WO1992004960A1 Filter for filtering gaseous and liquid media
03/25/1992EP0476546A1 Multi-way valve
03/25/1992EP0185086B1 Repelling-action filter unit and assembly
03/25/1992CN2099602U Domestic water magnetization purifier
03/24/1992US5098559 Liquid filter for the lubricating oil of an internal combustion engine
03/19/1992WO1992004099A1 Method of washing an upflow filter and filter bed employed in said filter
03/19/1992WO1992004097A1 Electrostatically dissipative fuel filter
03/19/1992WO1992004096A1 Apparatus and method for filtering particulate matter from dielectric fluids
03/18/1992EP0475610A1 Fuel tank filter
03/18/1992CN2098961U Dual purpose water purification device
03/18/1992CN2098959U Filter of basket chamber type
03/17/1992US5096575 Disposable filter unit
03/17/1992US5095740 System for monitoring and analyzing solid contaminents in fluids
03/17/1992CA1297424C Expandable bed fibre filter and coalescer
03/11/1992EP0474365A1 Filter cleaning
03/11/1992EP0473841A1 Filling funnel
03/11/1992EP0253899B1 Periodic action device for filtration of liquid medium
03/11/1992CN2098322U Utilizing means for waste water
03/05/1992DE4027130A1 Fluid filter, esp. oil filter for IC engine - in which spring urges joint face of upper housing part against seal ring on slackening of threaded fastening element
03/04/1992EP0473558A1 Fitting pipe for water supplying washing machines, in particular dish washing machines
03/04/1992EP0473261A2 Pressure regulating valve
03/04/1992CN2097679U Miniature multi-section movable filter
03/03/1992US5092999 Filtering means
03/03/1992US5092991 Filtering device
03/03/1992US5092990 Filter device
03/01/1992WO1992004095A1 Filter apparatus for machine tool coolant
02/1992
02/25/1992US5091082 Apparatus for diverting fluid-entrained solids around a centrifugal pump
02/20/1992WO1992002287A1 Oil reclaiming device
02/20/1992DE4036551A1 Vehicle engine spin-on-filter - comprises cellulose and/or glass fibre, wool, propylene], etc., bound with plastic to form pores converging in flow direction
02/20/1992DE4036191A1 Safe disposal spin-on oil filter for IC engine - has loosely fitted filtered cartridge on mandrel, with polygonal end with screw connector to press filtered housing and top plate together
02/19/1992EP0471420A2 Filter device
02/18/1992US5089144 Filter condition indicator having moveable sensor and aggregate flow counter
02/18/1992US5089132 Filter assembly
02/18/1992US5089131 Corrosion resistant filter unit
02/18/1992US5089129 Fluid contaminate filtration system including a filter, a contaminate particle trap, and a cold start fluid circulation system
02/18/1992US5089128 Stacked magnetic plates
02/18/1992US5088650 Fuel injector with strainer
02/13/1992DE4025498A1 Suction filter for fountain pump - has housing covering pump assembly to slow filter deterioration and give easy cleaning
02/12/1992EP0470440A1 A fuel filter equipped with a quick fastening cover for an internal combustion engine
02/12/1992EP0470100A1 Attachment for a separator
02/12/1992EP0470081A1 Drip irrigation pipe with embodied continuous conduit for pressure reduction and method of producing same.
02/12/1992CN2095895U Dredge filter
02/12/1992CN1058543A Filter particularly suitable for separation of rough particles from lubricant-suspension, and use thereof
02/11/1992US5087364 Liquid control assembly
02/11/1992US5087355 Automatically self-flushing filter
02/11/1992US5087179 Filter attachment for gear pump
02/04/1992US5085773 Anti-static fuel filter
02/04/1992US5085772 Filter for filtration of fluids
02/04/1992US5085769 Fuel filter assembly for an oil burner pump
01/1992
01/30/1992DE4023753A1 In=line, renewable filter with automatic isolation and opening device - suitable for oil cleaning IC engine without draining fluid circulation system
01/29/1992EP0262151B1 Filter pump head assembly
01/29/1992CN2094554U Filter for melted aluminium
01/28/1992US5084175 Pool filter
01/28/1992US5084172 Filter and mounting bracket
01/28/1992US5084170 Fuel filter
01/28/1992US5084166 Fuel filtering device
01/28/1992US5084162 Push-on automotive filter
01/24/1992WO1992001500A1 Filter for thermoplastic material