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Class Information
Number: 210/784
Name: Liquid purification or separation > Processes > Separating > Including movement of filter during filtration > Rotating drum
Description: Process in which the movable filter medium is a rotating drum.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7470370 |
Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
Dec. 30, 2008 |
| 7381335 |
Method and arrangement for continuous filtering of particles out of a liquid |
Jun. 3, 2008 |
| 7293659 |
Drum structure for rotary drum filtering apparatus and methods of using same |
Nov. 13, 2007 |
| 7294269 |
Organic disposer and method of controlling the same |
Nov. 13, 2007 |
| 7291270 |
Process for removal of impurities from an oxidizer purge stream |
Nov. 6, 2007 |
| 7288202 |
Rotary separator and method |
Oct. 30, 2007 |
| 7285180 |
Perforated deck made out of a plurality of segments |
Oct. 23, 2007 |
| 7282151 |
Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
Oct. 16, 2007 |
| 7273559 |
Process for removal of impurities from an oxidizer purge stream |
Sep. 25, 2007 |
| 7241392 |
Rotary separator and method |
Jul. 10, 2007 |
| 7208091 |
Assembly for withdrawing and filtering partial volumes of process fluid |
Apr. 24, 2007 |
| 7093678 |
Method and apparatus for removing fluids from drill cuttings |
Aug. 22, 2006 |
| 7044307 |
Drum type paper stock fine screen |
May. 16, 2006 |
| 7037437 |
Dual filter system for filtering of injector fluids |
May. 2, 2006 |
| 7018539 |
Treatment of shipboard-generated oily wastewaters |
Mar. 28, 2006 |
| 7001515 |
Dual filter system for filtering of injector fluids |
Feb. 21, 2006 |
| 6906227 |
Bisphenol phenol adducts |
Jun. 14, 2005 |
| 6890443 |
Spin filter system |
May. 10, 2005 |
| 6808624 |
Replaceable media filtration |
Oct. 26, 2004 |
| 6800197 |
Continuously operable rotating drum pressure differential filter, method and systems |
Oct. 5, 2004 |
| 6754978 |
Vacuum treatment of waste stream |
Jun. 29, 2004 |
| 6681874 |
Method and apparatus for removing fluids from drill cuttings |
Jan. 27, 2004 |
| 6666976 |
Self cleaning water filter |
Dec. 23, 2003 |
| 6651822 |
Horizontal solids recycler |
Nov. 25, 2003 |
| 6558557 |
Process and a decker for bringing together two suspension layers |
May. 6, 2003 |
| 6500347 |
Process for recovering crystals from a slurry |
Dec. 31, 2002 |
| 6500344 |
Method and apparatus for filtering particles out of a liquid |
Dec. 31, 2002 |
| 6451213 |
Methods and apparatus for de-watering sludge |
Sep. 17, 2002 |
| 6409929 |
Steam drying of rotary filter cakes without crack formation |
Jun. 25, 2002 |
| 6395187 |
Horizontal solids recycler |
May. 28, 2002 |
| 6379547 |
Mobile unit and method for purifying sludge and waste water |
Apr. 30, 2002 |
| 6332984 |
Integrated diverter and waste comminutor |
Dec. 25, 2001 |
| 6270684 |
High performance combined sewage overflow and water intake screen |
Aug. 7, 2001 |
| 6267889 |
Rotary drum filter |
Jul. 31, 2001 |
| 6241902 |
Methods and apparatus for de-watering sludge |
Jun. 5, 2001 |
| 6235209 |
Auxiliary filter and process for removing residual particles from filtered cutting fluid |
May. 22, 2001 |
| 6183653 |
Apparatus and method for removing sludge from filter for use in electric discharge machine |
Feb. 6, 2001 |
| 6177022 |
Self-cleaning fuel oil strainer |
Jan. 23, 2001 |
| 6143133 |
Method and device for drainage of a fibrous suspension |
Nov. 7, 2000 |
| 6136202 |
Forced fluid induced backwash |
Oct. 24, 2000 |
| 6077425 |
Method of separating a medium into a solids-containing component and a liquid component |
Jun. 20, 2000 |
| 6066264 |
Method of oil-water separation |
May. 23, 2000 |
| 6042735 |
Process and device to drain a fibrous pulp suspension |
Mar. 28, 2000 |
| 6004468 |
Serial drum apparatus and method for processing wet material |
Dec. 21, 1999 |
| 5985159 |
Method and device for concentrating a suspension |
Nov. 16, 1999 |
| 5972229 |
Method for filtering out particles from a fluid |
Oct. 26, 1999 |
| 5968372 |
Logic controlled traversing shower |
Oct. 19, 1999 |
| 5951861 |
Device for filtration and a method for conversion |
Sep. 14, 1999 |
| RE36297 |
Method and apparatus for treating a fiber suspension |
Sep. 14, 1999 |
| 5897788 |
Method and apparatus for cleaning a filter drum used for thickening lime mud |
Apr. 27, 1999 |
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