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Class Information
Number: 210/402
Name: Liquid purification or separation > Filter > Movable medium > Drum type
Description: Apparatus in the shape of a drum.










Sub-classes under this class:

Class Number Class Name Patents
210/404 Annular segmented compartment 128
210/403 Internal feed 120


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

Patent Number Title Of Patent Date Issued
8689682 Device for separating materials of varying flowability that are mixed together Apr. 8, 2014
8679236 Filtration system and method Mar. 25, 2014
8652324 Self-cleaning screen assembly for filtering irrigation water Feb. 18, 2014
8597391 Filtration system and method Dec. 3, 2013
8579119 Backwash filter Nov. 12, 2013
8562829 Magnetic separation apparatus and waste water treatment apparatus Oct. 22, 2013
8556086 Solid-liquid separator using roller system Oct. 15, 2013
8556087 Arrangement for the treatment of cellulose pulp in a washing apparatus arranged with a reinforcing frame Oct. 15, 2013
8535543 Separation of particulate matter and animal manure Sep. 17, 2013
8518273 Method and device for cleaning of filter Aug. 27, 2013
8505740 Solid-liquid separator using roller system Aug. 13, 2013
8501017 Coolant filtration system and method for metal working machines Aug. 6, 2013
8448789 Apparatus for washing and dewatering pulp May. 28, 2013
8324377 Method of separating water-soluble cellulose ether Dec. 4, 2012
8317034 Separation of particulate matter and animal manure Nov. 27, 2012
8303826 Automatic slurry strainer Nov. 6, 2012
8281936 Vacuum washer drum having a center and end drains and method for draining Oct. 9, 2012
8211304 Coolant filtration system and method for metal working machines Jul. 3, 2012
8197699 Process for preparing methylhydroxyalkylcellulose having a small number of coloured particles Jun. 12, 2012
8137568 Rotary drum vacuum filter Mar. 20, 2012
8118175 Venting device for a disc filter Feb. 21, 2012
8052839 Apparatus and method for washing pulps Nov. 8, 2011
8025156 Method and apparatus for separating and dewatering slurries Sep. 27, 2011
8002976 Magnetic separation filtering and cleaning apparatus Aug. 23, 2011
7993517 Automatically cleaned filter Aug. 9, 2011
7981282 Automatic slurry strainer Jul. 19, 2011
7971728 Bone fragment collector Jul. 5, 2011
7926666 Rotary filtration system Apr. 19, 2011
7918348 Filter device and method for the periodic cleaning of a filter Apr. 5, 2011
7887872 Method and apparatus for separating impurities from machine circulation of coating station Feb. 15, 2011
7820039 Apparatus for the continuous filtering of impurities from a flowable compound Oct. 26, 2010
7807060 Filter with resuspension of solids Oct. 5, 2010
7776184 Arrangement for the treatment of cellulose pulp in a washing apparatus adapted to facilitate service and inspection of the apparatus Aug. 17, 2010
7727133 Sealing device Jun. 1, 2010
7670481 Device for treating fluids, especially waste water, comprising a stack of disks Mar. 2, 2010
7670482 Self-cleaning screen with check valve for use in shallow water pumping Mar. 2, 2010
7662279 Filtering device, in particular for fish basins Feb. 16, 2010
7648632 Device for receiving and separating chips and cooling liquid collection on machine tools (overflow) Jan. 19, 2010
7638061 Coolant fluid cleaning method, system, and apparatus Dec. 29, 2009
7575658 Vacuum washer drum Aug. 18, 2009
7563369 Device for receiving and separating chips and cooling liquid discharged from machine tools (drive) Jul. 21, 2009
7485226 Device for receiving and separating chips and cooling liquid discharged from machine tools (sealing) Feb. 3, 2009
7395935 Filtering device Jul. 8, 2008
7381335 Method and arrangement for continuous filtering of particles out of a liquid Jun. 3, 2008
7347916 Vacuum washer drum Mar. 25, 2008
7347933 Self-cleaning intake screen Mar. 25, 2008
7293659 Drum structure for rotary drum filtering apparatus and methods of using same Nov. 13, 2007
7252739 Method for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web Aug. 7, 2007
7208091 Assembly for withdrawing and filtering partial volumes of process fluid Apr. 24, 2007
7115200 Device for receiving and separating chips created by machine-tools and coolant (drive) Oct. 3, 2006

1 2 3 4 5 6 7










 
 
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