Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 25 - Filters formed by clamping together several filtering elements or parts of such elements
Patents for B01D 25 - Filters formed by clamping together several filtering elements or parts of such elements (5,131)
03/1981
03/18/1981EP0025314A2 Method of cleaning a filter press and filter press
03/10/1981US4255261 Separation drum for belt filter with suction recovery of solids
02/1981
02/18/1981EP0024041A1 Filter device with solids conveyor
02/17/1981US4251373 Squeeze-filter plate for use in filter press
02/10/1981US4250036 Conveying means for use in filtering devices
01/1981
01/27/1981US4247399 Filtering and particulate washing device
01/21/1981EP0022463A1 Settling-filter device for the filtration of turbid liquids, and filtration process using such a device
01/20/1981US4246117 Plural drives each driving plural filter press plate engaging hooks
01/13/1981CA1093475A1 Apparatus for the treatment of a filter cake with a liquid on a movable filter
01/06/1981US4243535 Filter assembly with telescopic elements
12/1980
12/30/1980CA1092524A2 Apparatus and system for stabilizing the disc elements of a rotary concentrator for solids- containing fluids
12/09/1980CA1091164A1 Process and apparatus for cleaning particulate filters
12/02/1980US4237009 Filtration-compression type filter press
11/1980
11/25/1980US4235721 Reinforcing patch plate applied to liquid passage hole in filter-surfaced expressing sheet on expressing filter plate
11/25/1980CA1090263A1 Filter plate shifter
11/18/1980US4234430 Filtering septum
11/18/1980US4234417 Fibrous stock screen
11/04/1980CA1088874A1 Plate-type filter press
10/1980
10/28/1980US4230572 Filter method and apparatus
10/21/1980US4229304 Molded thermoplastic filter plate
10/21/1980US4229303 Filter press with cleansing spray device
10/14/1980US4227999 Ultrafiltration process and apparatus
10/07/1980US4226721 Filter press
09/1980
09/16/1980US4222873 Plate and frame filter press having modified flow pattern method
09/09/1980US4221663 Multiple plate filter apparatus
08/1980
08/26/1980US4219425 Filter press
08/12/1980US4217224 Filter plate
07/1980
07/29/1980US4214988 Ditch water cleaning apparatus
07/15/1980US4212746 Carboxylated neoprene latex containing zinc oxide, non-sticking
07/08/1980US4211162 Process for the batch filtering of suspensions
06/1980
06/24/1980US4209404 Filter press
06/24/1980CA1080131A1 Tube pressure filters
06/10/1980US4207189 Filter plate assembly for a filter press
05/1980
05/13/1980CA1077404A1 Transport device for the filter plates of a filter press
05/06/1980US4201672 Cake displacement means for filter presses
04/1980
04/16/1980EP0009527A1 Process and apparatus for automatically controlling the washing of a filter cake
04/08/1980US4197203 Filter press
04/08/1980US4197199 Filter presses
04/01/1980US4196084 Plate filter press
04/01/1980US4196078 Process and apparatus for dewatering granulated material, especially granulated blast furnace slag
03/1980
03/25/1980US4194977 Expressing plate for use in filter press
03/11/1980CA1073367A1 Filter plate for a plate type filter press
02/1980
02/12/1980CA1071539A1 Spraying apparatus for cleaning filter press plates
02/12/1980CA1071501A1 Self-cleaning filter assembly for solenoid-actuated valves
01/1980
01/22/1980US4184960 Filter press with transporting and locking device
01/01/1980US4181615 Hydraulically driven diaphragm closure
12/1979
12/18/1979US4179377 Shifting device for a plate filter press
11/1979
11/06/1979US4173535 Filter cloth washing device for filter press
10/1979
10/30/1979US4172793 Filter press
10/30/1979US4172792 From a pack in a filter press
10/30/1979US4172790 Diaphragm-containing type filter press
10/16/1979US4171266 Reciprocally driven apparatus for transporting filter plates in filter press
10/09/1979CA1063946A1 Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products
09/1979
09/25/1979US4169056 Single type filter press
08/1979
08/28/1979US4166035 Filter plate for filter press
08/22/1979EP0003593A2 Process and apparatus for the filtration of sludge or similar material in a filter press
08/14/1979CA1060352A1 Filtering system for swimming pools or the like
07/1979
07/31/1979US4162975 High velocity composite strainer
07/25/1979EP0003046A2 Filtering cloth gasket
06/1979
06/26/1979US4159250 Dialyzer casing
06/26/1979US4159249 Filter plate suspension in a plate filter press
05/1979
05/30/1979EP0002101A1 Filter press
05/22/1979US4155830 Filter press
05/15/1979US4154677 Automatic control of a filter bed wash process
04/1979
04/03/1979CA1051791A1 Filter press with two movable heads
02/1979
02/20/1979US4140636 To facilitate discharge of cake
02/13/1979US4139465 Method for washing filter-cakes and a spray nozzle intended for use with the method
02/13/1979US4139091 Transport device for the filter plates of a filter press
01/1979
01/30/1979US4137167 Removal of moisture from a sludge slurry or the like
01/23/1979US4136011 Transmission fluid filter and method for manufacture thereof
01/23/1979CA1046946A1 Continuous or semi-continuous filtering method
01/11/1979WO1979000012A1 Automatic control of the closing strength needed for making tight the filter elements in a press filter
01/02/1979US4132649 Gasket arrangement for purification apparatus
01/02/1979US4132647 Filter plate opening mechanism for filter presses
12/1978
12/19/1978US4130485 Novel filtration process and apparatus
12/12/1978US4129137 Washing apparatus for filter press
11/1978
11/14/1978CA1042184A1 Process and apparatus for the catalytic treatment of materials containing solid contaminants
10/1978
10/17/1978US4120794 Stacked disks
10/10/1978CA1040108A1 Process and device for filtering media
09/1978
09/26/1978US4116738 Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products
09/05/1978US4112159 Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products
09/05/1978CA1037770A1 Process for treatment of gasification coal
08/1978
08/22/1978US4108777 Filter press
08/22/1978US4108776 Filter press
08/15/1978US4107050 Filter cartridge
08/15/1978US4107042 Filter press with spray washing means
08/08/1978US4105560 Filter plate shifter
08/08/1978US4105559 Plate-type filter press
08/01/1978US4104163 Sodium hydroxide solution
07/1978
07/25/1978US4102788 Plate filter presses
05/1978
05/30/1978US4092247 Establishing a vacuum on porous support, compressing
05/23/1978US4090556 Means for locating plate elements in a device, such as a heat exchanger, filter, or the like
05/16/1978US4089935 Recovery of calcium hypochlorite values from filter media employed in the filtration of Ca(OCl)2 slurries
04/1978
04/11/1978US4083298 Plate filter press with adjustable end plate
04/04/1978US4082663 Method of positioning a filter cake discharge device for a filter press
03/1978
03/28/1978US4081171 Self-cleaning filter assembly for solenoid-actuated valves
03/21/1978US4080293 Double acting filter press
02/1978
02/28/1978US4076033 Spraying apparatus for cleaning filter press plates
01/1978
01/10/1978US4067807 Process and apparatus for the operation of a filter press having a pressure tank communicating therewith
12/1977
12/27/1977US4065390 Plate type filter apparatus
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