Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor
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)
11/1981
11/25/1981EP0040427A1 Suction liquid collection assembly and flexible liquid collection bag suitable for use therein
11/25/1981EP0040425A2 Device for removing floating materials and debris from a gully, especially from purification plants
11/25/1981EP0040257A1 Drainage pipe with triangular cross section
11/24/1981US4302333 Backpressure grid plate for pressure filtration system
11/24/1981US4302330 Filter apparatus with cleaning function
11/24/1981US4302327 Filtering liquids in papermaking
11/24/1981CA1113021A1 Filtering in tower filter with reversed water jet filter regeneration
11/24/1981CA1113020A1 Filter assembly with replaceable filter element
11/24/1981CA1113018A1 Device for filtration under pressure of solid particles contained in liquids
11/17/1981US4301012 Welded stainless steel mesh cleanable filter
11/17/1981US4301010 Funnel
11/17/1981US4301009 Water filter
11/17/1981US4300277 Pressure filters
11/17/1981CA1112585A1 High velocity composite strainer
11/17/1981CA1112583A1 Separation equipment
11/10/1981US4299707 With movable filter cleaning element
11/10/1981US4299706 Separation of a suspension of two immiscible fluids
11/10/1981US4299699 Backwashable helical-media coalescer
11/10/1981US4299597 Process and filter control system for the cyclic counter-scavenging of diaphragm-activated filter hoses
11/10/1981CA1112024A1 Salt dissolver
11/03/1981US4298465 Fuel filter and water separator apparatus
11/03/1981CA1111778A1 Filter apparatus
11/03/1981CA1111678A1 Filter wrench
10/1981
10/29/1981WO1981002984A1 Immiscible liquid separator
10/28/1981EP0038643A2 Filter with backwashing device
10/27/1981US4297219 Temporary stream filtration system
10/27/1981US4297212 For automobiles
10/27/1981US4297211 Filtering apparatus
10/27/1981US4297209 High solids filter
10/20/1981USRE30779 Filter assembly with replaceable filter element
10/20/1981US4295963 Backwashable fluid filter
10/20/1981US4295525 Method and apparatus for quick replacement of cartridge filters used in well fluid cleaning operations
10/20/1981CA1110978A1 Belt filter
10/15/1981WO1981002845A1 Milk filter sock
10/13/1981US4294594 Self-contained filter assembly for removing air, particles and bacteria from a solution
10/07/1981EP0037028A2 Filter for aquarium
10/06/1981US4293414 Slotted sheet filter element
10/06/1981US4293357 Method for producing ceramic honeycomb filters
10/06/1981US4293037 Method of forming and assembling a self-cleaning helical spring screen
10/06/1981CA1110181A1 Filter element with slotted precoat retainer sheet
09/1981
09/29/1981US4292405 Sterility test set
09/29/1981US4292180 Milk filter sock
09/29/1981US4292178 Filtering apparatus
09/29/1981US4292173 Vertical filtering device
09/29/1981CA1109805A1 Locking filter apparatus and method
09/23/1981EP0036329A2 Center flow screening apparatus
09/23/1981EP0036328A2 Dual flow screening apparatus
09/23/1981EP0036321A1 Ceramic filter
09/23/1981EP0036318A2 Pressure filters
09/23/1981EP0036228A2 Device for purifying liquids, particularly water
09/22/1981US4290889 Support for backflushable filter media
09/22/1981US4290888 Strainer
09/15/1981US4289630 Filter cake removal method and apparatus
09/15/1981US4289619 Sewage treatment
09/15/1981US4289616 Apparatus for removing suspended solids from an effluent
09/15/1981CA1109005A1 Channel base well screen
09/01/1981US4287067 Water filter for radiators
09/01/1981US4287066 Sieve having substantially plane sieve sheets and a method for its manufacture
09/01/1981US4287065 Syringe for aspirating, reconstituting drugs
09/01/1981US4287064 Brush driving apparatus for a solid-liquid separation screen
09/01/1981US4287058 Conveyer screw, filter
09/01/1981US4287055 Method of sorting fibre suspensions as well as a pressure sorter for performing the method
09/01/1981CA1108069A1 Fuel contamination monitor having a shut-off valve
09/01/1981CA1108065A1 Filtering and measuring device with surrounding overflow gutter
09/01/1981CA1108064A1 Pressure filters
08/1981
08/26/1981EP0034417A2 Support for backflushable filter media
08/26/1981EP0034416A2 Backflushable fluid filter
08/25/1981US4285821 Fibrous filter-aids
08/25/1981US4285814 Filter bag clamp assembly
08/18/1981US4284500 For separating oversized particles from pressurized fluid slurry, cleaning of filter while system is sealed
08/12/1981EP0033370A1 Method and device for the use of a precoat filter with horizontal disc-like rotating filter elements
08/11/1981US4283448 Pressing, heating fiber segments to produce uninterrupted microstructure
08/11/1981US4283289 Blood filter for leukocytes
08/11/1981US4283283 Water filter
08/11/1981US4283282 Filter having vertical filter elements
08/11/1981US4283281 Providing uniform fluid flow
08/11/1981US4283210 Ceramic honeycomb filter and a method of producing the same
08/04/1981US4282105 Filter
08/04/1981US4282098 Housing cap
08/04/1981US4282097 Dynamic oil surface coalescer
08/04/1981US4282094 Filtering apparatus
08/04/1981CA1106122A1 Filter assembly
07/1981
07/28/1981US4280908 Injection molding filter assembly
07/28/1981US4280907 Separating device
07/28/1981US4280906 Filter for separating solid contaminants from a fluid, especially solid contaminants in a reactor cooling water used in nuclear reactor plants
07/28/1981CA1105843A1 Beltless vacuum filter
07/22/1981EP0032228A2 Use of porous filter tubes in precoat candle filters
07/22/1981EP0032166A2 Pre-coated filter
07/21/1981US4279750 Continuous treatment apparatus for treating waste material
07/21/1981US4279746 Hydraulic fluid filter and bypass valve
07/21/1981US4279704 Filter for recovering solvent
07/14/1981US4278592 Process and apparatus for the production of sterile filtered blood clotting factors
07/14/1981US4278551 Tubular yarn bundle surfaces modified with cationic colloidal silica
07/14/1981US4278540 Back washing fluid filters
07/14/1981CA1104945A1 Filter method and apparatus
07/14/1981CA1104944A1 Raking equipment for trashracks
07/14/1981CA1104943A1 Transmission fluid filter and method for manufacture thereof
07/08/1981EP0031346A1 Dry cleaning of pressure filters for liquids.
07/07/1981US4277349 Method of cleaning plate-type filter elements located in a tank filter
07/07/1981US4277348 Cleaning sand from filter in oil well in situ
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