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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
6258594 Human waste treatment system Jul. 10, 2001
6227380 Device for filtering fluids containing impurities May. 8, 2001
6214171 Top separator in a continuous digester system Apr. 10, 2001
6206204 Screen apparatus Mar. 27, 2001
6200467 Filtering device with rotatable backwash tube Mar. 13, 2001
6197188 Filtration system for concentrating radioactive debris Mar. 6, 2001
6193883 Microfiltration apparatus Feb. 27, 2001
6187177 Industrial filter Feb. 13, 2001
6171448 Apparatus for screening waste paper pulp Jan. 9, 2001
6171494 Hydraulic vessel system having a downwardly feeding separator Jan. 9, 2001
6126821 Raked bar screen Oct. 3, 2000
6086757 Guide rollers for cog rake bar screens Jul. 11, 2000
6079427 Garbage and refuse screening system for dish machines Jun. 27, 2000
6070739 Filtering device Jun. 6, 2000
6019892 Guide tracking for cog rake bar screens Feb. 1, 2000
5996608 Diaphragm valve with filter screen and movable wiper element Dec. 7, 1999
5993651 Water influent particle removing apparatus Nov. 30, 1999
5968350 Device for cleaning trash racks Oct. 19, 1999
5968353 Clarifier with sludge dewatering Oct. 19, 1999
5904858 Filter with turbulence generating turbine and separation method May. 18, 1999
5904843 Apparatus for removing solids from a stream of water May. 18, 1999
5899338 Screening apparatus for separating light impurities from pulp suspensions May. 4, 1999
5888407 Method of separating fluids using a continuous re-entrant lumen having wall conditioning shuttles and porous wall sections Mar. 30, 1999
5871641 Fluid filter with pleated septum Feb. 16, 1999
5858231 Filter apparatus Jan. 12, 1999
5858217 Multiple tube filter with spraying device Jan. 12, 1999
5849202 Rotary disc filtration process having means to prevent settlement of solids Dec. 15, 1998
5833851 Method and apparatus for separating and deliquifying liquid slurries Nov. 10, 1998
5830347 Cleaning mechanism for a fluid filter Nov. 3, 1998
5815544 Self-cleaning strainer Sep. 29, 1998
5804072 Water filter with strainer scraping means Sep. 8, 1998
5779887 Gravity screen with burden removal and pore-cleaning means Jul. 14, 1998
5755958 Device for removing material screened or filtered out of a liquid flowing in a channel May. 26, 1998
5730862 Bar screen with rotating rakes Mar. 24, 1998
5714065 Filter unit for fluids Feb. 3, 1998
5676848 Method of separating employing a continuous re-entrant lumen with wall conditioning elements Oct. 14, 1997
5672281 Fluid filtering apparatus and method Sep. 30, 1997
5665232 Apparatus for separating off the liquid portion from the solids portion of two-phase systems Sep. 9, 1997
5653874 Self-cleaning screen for a pump inlet bay Aug. 5, 1997
5643450 Filter apparatus for fluids, in particular for thermoplastic synthetic plastics material fluid Jul. 1, 1997
5624557 Pressure filter Apr. 29, 1997
5624549 Apparatus for partial dewatering of raw sludge comprising reciprocating plunger presses Apr. 29, 1997
5601192 Pressure sorter for fiber suspensions Feb. 11, 1997
5589080 Liquid recycling system with moving concentrated counterflow for filter clearance Dec. 31, 1996
5587075 Pressure filter Dec. 24, 1996
5579789 Food soil handling system for a dishwasher Dec. 3, 1996
5573660 Screw conveyor Nov. 12, 1996
5569383 Filter with axially and rotatably movable wiper Oct. 29, 1996
5566833 Pressure sorter for fiber suspensions as well as a process for the preparation of fiber suspensions Oct. 22, 1996
5545321 Filter apparatus Aug. 13, 1996

1 2 3 4 5 6 7










 
 
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