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Class Information
Number: 95/279
Name: Gas separation: processes > Filtering > With cleaning of filter > By use of gas
Description: Process in which the separated solid or liquid particles are removed from the filter by contacting the filter with a gas, usually in a direction opposite that of the process fluid flow during separation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7608138 |
Device for measuring filter pressure loss |
Oct. 27, 2009 |
| 7569093 |
Filtering particulate materials in continuous emission monitoring systems |
Aug. 4, 2009 |
| 7563295 |
Filter having inlet portion with diffuser elements |
Jul. 21, 2009 |
| 7517376 |
Reverse pulse cleaning of filter elements |
Apr. 14, 2009 |
| 7485163 |
Nozzle and filter-type dust collector |
Feb. 3, 2009 |
| 7468082 |
Self cleaning gas filtering system and method |
Dec. 23, 2008 |
| 7462222 |
Filter service system |
Dec. 9, 2008 |
| 7459091 |
Molecular separator |
Dec. 2, 2008 |
| 7438735 |
Filter apparatus with automatic cleaning |
Oct. 21, 2008 |
| 7422626 |
Method and device for declogging filter |
Sep. 9, 2008 |
| 7410521 |
Filter service system and method |
Aug. 12, 2008 |
| 7410529 |
Filter service system and method |
Aug. 12, 2008 |
| 7410530 |
Apparatus for cleaning exhaust aftertreatment devices and methods |
Aug. 12, 2008 |
| 7393387 |
Particle filter cleaning apparatus |
Jul. 1, 2008 |
| 7384455 |
Filter service system and method |
Jun. 10, 2008 |
| 7371266 |
Apparatus for cleaning a diesel particulate filter with multiple filtration stages |
May. 13, 2008 |
| 7357829 |
Diesel particulate filter cleaning device and method |
Apr. 15, 2008 |
| 7309366 |
Bag cleaning compressed air nozzle |
Dec. 18, 2007 |
| 7296402 |
Diesel particulate filter service method |
Nov. 20, 2007 |
| 7282075 |
Z-filter media with reverse-flow cleaning systems and methods |
Oct. 16, 2007 |
| 7273514 |
Apparatus and method for filtering particulate and NOx emissions |
Sep. 25, 2007 |
| 7195659 |
Reverse-flow cleaning systems and methods |
Mar. 27, 2007 |
| 7186281 |
Dust-removing device for the dust-collecting tank of a dust-collecting machine |
Mar. 6, 2007 |
| 7160355 |
Method and system for regenerating diesel particle filters |
Jan. 9, 2007 |
| 7147683 |
Back-flow valve and trigger for a cleaning machine |
Dec. 12, 2006 |
| 7094265 |
Cleaning device for a bundle of tubular filter elements designed with one end open, preferably of an industrial dust filter |
Aug. 22, 2006 |
| 7025811 |
Apparatus for cleaning a diesel particulate filter with multiple filtration stages |
Apr. 11, 2006 |
| 6926760 |
Method for cleaning a particular filter |
Aug. 9, 2005 |
| 6905533 |
Filtering and inerting of combustible dusts in the process off-gas |
Jun. 14, 2005 |
| 6902592 |
Apparatus and method for cleaning an air filter unit |
Jun. 7, 2005 |
| 6887291 |
Filter devices and methods for carbon nanomaterial collection |
May. 3, 2005 |
| 6846349 |
Air filter and method of using same |
Jan. 25, 2005 |
| 6830599 |
Back-flow valve and trigger for cleaning machine |
Dec. 14, 2004 |
| 6676720 |
Filter unit for filtering gas |
Jan. 13, 2004 |
| 6658988 |
Apparatus and process for removing solid particles from gases |
Dec. 9, 2003 |
| 6638344 |
Plenum pulsed filter vent |
Oct. 28, 2003 |
| 6613115 |
Cartridge dust collector |
Sep. 2, 2003 |
| 6569218 |
Self spin-cleaning canister vacuum |
May. 27, 2003 |
| 6458178 |
Filter dedusting arrangement in a vacuum cleaner |
Oct. 1, 2002 |
| 6364932 |
Cold gas-dynamic spraying process |
Apr. 2, 2002 |
| 6365119 |
Method of operating a catalytic converter |
Apr. 2, 2002 |
| 6322618 |
Adjustable duct assembly for fume and dust removal and filter cleaner |
Nov. 27, 2001 |
| 6294002 |
Apparatus and process for reclaiming textile fiber waste |
Sep. 25, 2001 |
| 5956946 |
Vehicle exhaust-gas purifier |
Sep. 28, 1999 |
| 5868807 |
Apparatus for removing dust from gas and for cleaning at least one filter of the apparatus |
Feb. 9, 1999 |
| 5814114 |
Airborne waste filter arrangement |
Sep. 29, 1998 |
| 5788746 |
Method for cleaning a filter element and a filter module for a filter installation; a method of filtering crude or contaminated gas and a filter installation |
Aug. 4, 1998 |
| 5741351 |
Apparatus and method for cleaning an air filter of a vehicle |
Apr. 21, 1998 |
| 5730781 |
Regeneration process and plant for absorbents used for processing combustion products in thermal boilers |
Mar. 24, 1998 |
| 5651802 |
Fluid filter for separating entrained particulate matter from a moving fluid stream |
Jul. 29, 1997 |
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