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Class Information
Number: 210/413
Name: Liquid purification or separation > Filter > With residue removing means or agitation of liquid > Fixed filter medium and movable stirrer or cleaner
Description: Apparatus in which the filter medium is stationary and an agitator and mechanical cleaning means moves relative to it.










Sub-classes under this class:

Class Number Class Name Patents
210/415 Nontranslatory rotary 270
210/414 With plural outlets from filter casing 130


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
5073254 Cylindrical screening basket Dec. 17, 1991
5059324 Centrifugal pulp screen Oct. 22, 1991
5045183 Device for screening fiber suspensions Sep. 3, 1991
5041212 Efficiency screen plate for screening pulp Aug. 20, 1991
5034128 Apparatus for dewatering pulp Jul. 23, 1991
5013430 Device for separation and transport of waste material from polluted liquid May. 7, 1991
5008009 Mechanism for filter cake removal Apr. 16, 1991
4992171 Filtering device with agitator Feb. 12, 1991
4986910 Apparatus for dehydrating sludge Jan. 22, 1991
4985146 Filtering system Jan. 15, 1991
4983290 Slit-tube filter Jan. 8, 1991
4975189 Cleaning sprays for disc filters Dec. 4, 1990
4975183 Filter for separating solids from liquids Dec. 4, 1990
4969992 Separating conveyor Nov. 13, 1990
4961864 Separating device Oct. 9, 1990
4957635 Bag filter Sep. 18, 1990
4954249 Wave screen plate Sep. 4, 1990
4950402 Rotating element for a screening apparatus with a contour surface Aug. 21, 1990
4935126 Filtering apparatus Jun. 19, 1990
4913811 Cleaner for aquarium Apr. 3, 1990
4913806 Apparatus for screening a suspension of fibrous cellulose pulp Apr. 3, 1990
4906357 Filter system having multiple filter elements and back flushing assemblies Mar. 6, 1990
4904392 Method of separating, from a liquid mixture, a liquid in dispersed phase from a liquid in continuous phase Feb. 27, 1990
4898671 Filtering device for the separation of liquids and solids Feb. 6, 1990
4894147 Device for screening pulp and a blade for the screening device Jan. 16, 1990
4888111 Process filter Dec. 19, 1989
4880540 Pulp screening apparatus Nov. 14, 1989
4880539 Filter for filtering solids out of a liquid having a doctor blade wiping means Nov. 14, 1989
4869812 Disposable diagnostic plasma filter dispenser Sep. 26, 1989
4849105 Apparatus for removing solid particles from cooling water Jul. 18, 1989
4842747 Bag filter Jun. 27, 1989
4836915 High flow capacity barrier type screening apparatus Jun. 6, 1989
4834783 Rotary separator May. 30, 1989
4834883 Filter cleaning apparatus May. 30, 1989
4830642 Filter system with in situ cleaning of an operating filter unit May. 16, 1989
4828697 Suction filter May. 9, 1989
4826589 Bar screen filter May. 2, 1989
4818402 Self cleaning strainer Apr. 4, 1989
4792394 Bar screening apparatus Dec. 20, 1988
4787985 Multi-stage purification unit process Nov. 29, 1988
4781828 Filter press with rotor disks Nov. 1, 1988
4776957 Rotating element for a screening apparatus with a contour surface Oct. 11, 1988
4770772 Apparatus for separating and drying fine particles Sep. 13, 1988
4761157 Centrifuge apparatus Aug. 2, 1988
4749475 Two stage rotary pulp screening device Jun. 7, 1988
4737274 Tramp material separator Apr. 12, 1988
4731180 Water-solids separator and wiper blade Mar. 15, 1988
4725365 Bar screen raking apparatus and method of use Feb. 16, 1988
4717477 Swingable filter Jan. 5, 1988
4714557 Pressure filter cake-breaking method and apparatus Dec. 22, 1987

1 2 3 4 5 6 7










 
 
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