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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7399407 |
Pressure filter for aquariology |
Jul. 15, 2008 |
| 7398886 |
Press for dewatering a humid substance, in particular residual refuse |
Jul. 15, 2008 |
| 7371266 |
Apparatus for cleaning a diesel particulate filter with multiple filtration stages |
May. 13, 2008 |
| 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 |
| 6395171 |
Strainer arrangement for straining liquid from a mixing arrangement |
May. 28, 2002 |
| 6395186 |
Pressure liquid filtration with ultrasonic bridging prevention |
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 |
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