Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
Patents for B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (8,047)
05/1983
05/03/1983CA1145617A1 Pretreatment to dewater bottom ash from a stem generator firing solid fuels
04/1983
04/27/1983EP0077411A1 Process for the elimination of solids from a liquid
04/26/1983CA1145488A1 Water purification equipment
04/06/1983EP0076023A2 Flow through filter means comprising a reticulated foam body, and a method and apparatus for securing such a body to a support
04/06/1983EP0076016A1 Filtering apparatus
03/1983
03/31/1983WO1983001013A1 Solids separation and liquid clarification system
03/22/1983US4377485 Apparatus and method for clarification of water using combined flotation and filtration processes
03/16/1983EP0074342A2 Filtering apparatus
03/15/1983US4376705 Filtering and drying apparatus
03/03/1983WO1983000637A1 Filtering apparatus
02/1983
02/23/1983EP0072625A2 Improvements in and relating to a hydraulic discharge system
02/16/1983EP0072264A1 Filter filled with loose granular material
02/16/1983EP0071961A2 Double walled screen-filter with perforated joints
02/09/1983EP0071200A1 Filter container, in particular for swimming pools
02/04/1983EP0060880A4 Multi-ported valve with sealing network between valve body and rotor.
01/1983
01/25/1983US4370230 Drainpipe for a reversible drainpipe filter system
01/05/1983EP0068316A2 Filter distribution nozzle
01/05/1983EP0068315A2 Distribution filter nozzles and filters incorporating same
12/1982
12/28/1982US4366054 Between porous support jackets, and containing active charcoal
12/21/1982US4364830 Filter bottom
12/14/1982CA1137419A1 Cartridge filter for separating radioactive contaminants from reactor cooling water
12/07/1982US4362618 Water filter
10/1982
10/26/1982US4356090 Flow-through oil/water separation filter
10/26/1982CA1134282A1 Filtering with pressure drop increasing stepwise
10/13/1982EP0062258A1 Filter apparatus for the softening and/or complete desalination of water
09/1982
09/29/1982EP0060880A1 Multi-ported valve with sealing network between valve body and rotor
09/21/1982US4350592 Cartridge filter
08/1982
08/31/1982CA1130731A1 Filtering apparatus for liquids
08/24/1982CA1130218A1 Apparatus for washing the filter medium of a filter bed
08/10/1982US4343708 Method and equipment for thickening of suspension or pulp
08/03/1982US4342649 Upflow reactor filter assembly
07/1982
07/28/1982EP0056407A1 Method and device for filtering yeast and other plant cell material on rotary vacuum filter
07/27/1982US4341636 Treatment of wastewater
07/27/1982CA1128427A1 Oil reconditioning system
07/20/1982US4340485 Countercurrent liquid-solid contacting apparatus
07/06/1982US4338202 Periodic backwashing
06/1982
06/29/1982CA1126663A1 Household water filter
06/22/1982CA1126172A1 Treatment facility with backwash control system
06/15/1982CA1125668A1 Liquid treatment apparatus
06/15/1982CA1125667A1 Liquid treatment apparatus
06/09/1982EP0053115A1 Liquid filtering apparatus.
05/1982
05/25/1982US4331542 Underdrain unit with air/water backwash for granular filtration system
05/11/1982US4329226 Compressible fibers prevent formation of channels through which oil can pass unfiltered
05/11/1982US4328833 Multi-ported valve with sealing network between valve body and rotor
04/1982
04/27/1982US4326963 Multiple bed filtering apparatus and process
04/27/1982US4326956 Backwashable filter system
04/27/1982CA1122539A1 Apparatus for filtering liquids
04/21/1982EP0049930A2 Pressure filter for liquid, in particular water
04/15/1982WO1982001235A1 Multi-ported valve with sealing network between valve body and rotor
04/06/1982CA1121291A1 Control system and method for a plurality of solvent dewaxing filters
03/1982
03/30/1982US4322299 Method of simultaneous air-water wash of multiple-media filters
03/30/1982CA1120867A1 Two layer wound-on-core medium filter element
03/24/1982EP0048122A2 Filtration system with bi-flow filter
03/24/1982EP0047836A2 Edge filter
03/18/1982WO1982000749A1 Aquarium filter with several filtering cartridges
03/16/1982US4320002 Filter device
03/02/1982US4317733 Water purification equipment
02/1982
02/24/1982EP0046276A1 Purification apparatus for waste water
02/18/1982WO1982000418A1 Method and device for filtering yeast and other plant cell material on rotary vacuum filter
02/17/1982EP0046055A2 A continuous rotary-drum filter means
02/10/1982EP0045705A1 Method and apparatus for separating suspensions of solid particles in a liquid, particularly for treating fibrous suspensions in the paper-making industry
01/1982
01/26/1982US4312764 Filtration system with bi-flow filter
01/12/1982CA1116097A1 Method and device for feeding to and distributing on a horizontal filtering bed, a product to be filtered
01/05/1982US4309292 Filtering methods
01/05/1982US4309288 Rotary drum filter
12/1981
12/29/1981US4308141 Modular filter system
12/15/1981CA1114303A1 Upflow sand filter with substantially imperforate hold-down diaphragm
12/09/1981EP0041251A1 Method of removing fine suspended solids from effluent streams
12/08/1981CA1113729A1 Underwater hull or tank
12/01/1981US4303533 Method of removing fine suspended solids from effluent streams
11/1981
11/25/1981EP0040257A1 Drainage pipe with triangular cross section
11/24/1981CA1113021A1 Filtering in tower filter with reversed water jet filter regeneration
11/24/1981CA1112979A1 Breathing apparatus chemical canister with dust seal
11/17/1981CA1112583A1 Separation equipment
11/03/1981CA1111779A1 Upflow filter construction and method
10/1981
10/20/1981US4295965 Multi-filter chamber aquarium filter
10/15/1981WO1981002844A1 Filter medium and method of making same
10/07/1981EP0037028A2 Filter for aquarium
09/1981
09/30/1981EP0036793A1 Device for distributing water over a filter filled with granular material, and reuse of the washing water from said filter
09/22/1981US4290894 Process and apparatus for cleaning contaminated water
09/22/1981CA1109402A1 Filter media support and containment system
09/21/1981EP0016806A4 Oil reconditioning filter.
09/03/1981WO1981002393A1 Liquid filtering apparatus
08/1981
08/19/1981EP0033759A1 Process for carrying off sludge liquid from the interior space of a filter, and filter device for carrying out the process
08/11/1981US4282823 Underwater hull or tank
07/1981
07/07/1981US4277332 Water purifier
06/1981
06/30/1981US4276169 Drainage deck assembly for rotary vacuum drum filter
06/30/1981US4276163 Hydrostatic relief valve
06/30/1981CA1104275A1 Liquid treatment apparatus
06/10/1981EP0029905A1 Stock supply means for strainer presses
06/03/1981EP0029468A1 Back-wash filter assembly
05/1981
05/27/1981EP0029235A1 An ash disposal system for ash discharged from a coal-fired combustion chamber
04/1981
04/15/1981EP0026789A1 Filter device, especially for the purification of water
04/08/1981EP0026270A1 Backwash filter
04/07/1981US4260426 Environmental filters
03/1981
03/24/1981US4257896 Countercurrent liquid-solid contacting apparatus
03/17/1981US4256579 Filter for liquids
02/1981
02/17/1981US4251374 Interchangeable filter apparatus
01/1981
01/20/1981US4246119 Liquid sand filter
01/20/1981US4246118 Apparatus for separating solid and liquid
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