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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
7357074 Compression screw with combination single and double flights Apr. 15, 2008
7344033 Solid-liquid separator Mar. 18, 2008
7309366 Bag cleaning compressed air nozzle Dec. 18, 2007
7294257 Water filter Nov. 13, 2007
7267235 Greywater recycling apparatus Sep. 11, 2007
7131540 Separating device, particularly for separating solids from liquids Nov. 7, 2006
7093721 Filter assembly with sealed, magnetically coupled cleaning head actuator Aug. 22, 2006
7086536 Fluid filtering device with scraping element Aug. 8, 2006
7073433 Auger dewatering system Jul. 11, 2006
7051962 Manure separator May. 30, 2006
7025811 Apparatus for cleaning a diesel particulate filter with multiple filtration stages Apr. 11, 2006
7001506 Self-cleaning circulatin system and method Feb. 21, 2006
6976592 Liquid/solids waste separator Dec. 20, 2005
6959818 Filter and filter cleaning apparatus and related methods Nov. 1, 2005
6949183 Element manufacturing system having suction jig for accumulating fibers contained in fiber solution Sep. 27, 2005
6899807 Solid and liquid separation device May. 31, 2005
6896820 Debris removal system May. 24, 2005
6890441 Hydraulic annular washing column, and process for separating solids from a suspension May. 10, 2005
6887372 Portable drilling water filter with self-cleaning system May. 3, 2005
6866831 Reaction and stirring apparatus, reaction and separating filtration apparatus and separating method, generation method, and filtration method Mar. 15, 2005
6858140 Processes and devices for water and wastewater treatment, including stationary cloth media filtration Feb. 22, 2005
6787046 Pressure liquid filtration with ultrasonic bridging prevention Sep. 7, 2004
6749069 Equipment for filtering a liquid Jun. 15, 2004
6726022 Screening device and rotor for use in a screening device Apr. 27, 2004
6679994 Screening apparatus Jan. 20, 2004
6679384 Method and means for paper pulp filtering Jan. 20, 2004
6669025 Screen Dec. 30, 2003
6631809 Screen for cleaning a pulp suspension Oct. 14, 2003
6613238 Fixed media filter screen, screen protector, and CSO screen Sep. 2, 2003
6592306 Machine tool comprising a collecting system for chips and liquids Jul. 15, 2003
6588599 Screen for pulp processing Jul. 8, 2003
6579450 Non-metallic tooth segment and bar rack design Jun. 17, 2003
6575307 Self-cleaning water filter Jun. 10, 2003
6572763 Wastewater screening, washing and dewatering system Jun. 3, 2003
6536601 Sludge silo Mar. 25, 2003
6508933 Self-cleaning shallow water strainer Jan. 21, 2003
6478957 Filtering apparatus for a wastewater treatment tank Nov. 12, 2002
6475397 Method and means for filter back flushing Nov. 5, 2002
6461507 Continuous squeeze-dewatering device Oct. 8, 2002
6443312 Self-cleaning filter Sep. 3, 2002
6409915 Rake cleaning arrangement Jun. 25, 2002
6395186 Pressure liquid filtration with ultrasonic bridging prevention May. 28, 2002
6395171 Strainer arrangement for straining liquid from a mixing arrangement May. 28, 2002
6386752 Coagulation reaction device May. 14, 2002
6360896 Apparatus for cleaning liquid fluids Mar. 26, 2002
6332983 Chip treatment device Dec. 25, 2001
6318563 Filter apparatus Nov. 20, 2001
6309540 Apparatus for separating solids from a liquid Oct. 30, 2001
6279187 Shellfish predator screen cleaner Aug. 28, 2001
6264834 Sewage treatment plant for thickening a solid-liquid suspension Jul. 24, 2001

1 2 3 4 5 6 7










 
 
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