| Patents for B01D 41 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids (1,149) |
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| 04/08/2009 | CN101402013A Detecting and maintaining apparatus for dry type filter element of air filter for automobile |
| 04/07/2009 | US7514136 Honeycomb structure |
| 04/01/2009 | CN100473444C Method for regenerating filter fabric and regenerated filter fabric therefrom |
| 03/26/2009 | WO2008117325A3 An extraction device provided with an overturning and washing system, and relative machine |
| 03/19/2009 | US20090071913 Device and method for the cleaning of lubricant and a lubricant circuit |
| 03/18/2009 | CN101385922A Erecting mechanism of cleaning rob of pressure filter press cloth |
| 03/12/2009 | WO2009032175A2 Method and apparatus for cleaning diesel particulate filters and for diagnosing damage thereto |
| 03/12/2009 | WO2009030405A1 Method for purifying substrates by means of oxidation agents and reduction agents |
| 03/12/2009 | CA2706884A1 Method and apparatus for cleaning diesel particulate filters and for diagnosing damage thereto |
| 03/04/2009 | CN201200841Y Filter cloth cleaner |
| 02/24/2009 | US7494521 Trigger mechanism for dust filter pulse cleaning system |
| 02/05/2009 | WO2009017401A1 A method for cleaning processing equipment, such as filters |
| 02/05/2009 | WO2009017400A1 A method for cleaning filter membranes |
| 02/05/2009 | CA2693494A1 A method for cleaning processing equipment, such as filters |
| 02/05/2009 | CA2693493A1 A method for cleaning filter membranes |
| 02/04/2009 | CN101357280A Regeneration technique of filter press cloth |
| 01/22/2009 | WO2008094985A3 Apparatus for cleaning exhaust aftertreatment devices and methods |
| 01/14/2009 | EP1861190B1 Apparatus for combusting collected diesel exhaust material from aftertreatment device and method |
| 01/14/2009 | CN201179390Y Automatic cleaning machine for filter cylinder |
| 01/14/2009 | CN201179389Y Mobile shift regenerating unit for polluted filter material |
| 01/14/2009 | CN201179388Y Fixed form shift regenerating unit for polluted filter material |
| 01/08/2009 | US20090007440 Power cutter |
| 01/06/2009 | US7473357 Filtration device |
| 01/01/2009 | US20090000478 Filter purge system utilizing a reactive propellant |
| 01/01/2009 | US20090000477 Filter purge system utilizing impact wave generating device and vacuum source |
| 12/16/2008 | US7465690 Slurrying promoter oxide and refractory; calcining |
| 12/10/2008 | CN100441268C Air compressor filter element cleaning device |
| 12/09/2008 | US7462222 Filter service system |
| 12/09/2008 | US7462216 Vehicle exhaust gas particulate filters; heat and cracking resistance, durability |
| 11/27/2008 | WO2008142833A1 External device for cleaning filtration material and adapted for application to filtration device |
| 11/27/2008 | CA2687519A1 External device for cleaning filtration material and adapted for application to filtration device |
| 11/26/2008 | CN201154918Y Mini water purifier |
| 11/13/2008 | US20080277349 Introducing ferric chloride, ferrous chloride, ferric sulfate or ferrous sulfate into water having heavy metal; and passing the water through a bed of moving sand |
| 11/12/2008 | CN100431664C Cyclone with plug prevention |
| 11/06/2008 | WO2007109096A3 Method and apparatus for chemical processes using molecular imprints |
| 11/05/2008 | EP1987870A2 Cleaning device for filters |
| 10/30/2008 | WO2008128404A1 A cooling method for high temperature coal filtering adsorption material and its device |
| 10/30/2008 | US20080264866 Continuous Fluid Treatment System |
| 10/30/2008 | US20080264259 Nanofiber filter facemasks and cabin filters |
| 10/30/2008 | US20080264007 Dust collecting apparatus for vacuum cleaner |
| 10/29/2008 | CN201139976Y Multipurpose apparatus for filter pot material and medicine feed, and filter material extracorporeal circulation flush regeneration |
| 10/08/2008 | CN101279170A Technique for cleaning carriage air conditioner filter screen |
| 10/07/2008 | US7431640 Self-brushing air moving device |
| 10/02/2008 | WO2008117325A2 An extraction device provided with an overturning and washing system, and relative machine |
| 09/25/2008 | US20080229564 Method of Regenerating Filter Fabric and Regenerated Filter Fabric |
| 09/18/2008 | WO2008110632A1 Method for regenerating a filter aid |
| 09/10/2008 | EP1508416B1 Method of manufacturing honeycomb structural body |
| 09/09/2008 | US7422626 Method and device for declogging filter |
| 09/09/2008 | CA2532527C Filter assembly for a reprocessor |
| 09/04/2008 | US20080209868 Diesel particulate filter assembly |
| 09/03/2008 | CN201108766Y Fast-open pressure filter automatic cloth washing vehicle |
| 09/03/2008 | CN101254380A Filter cleaner |
| 08/21/2008 | US20080197061 Device For Filtering A Liquefied Synthetic Material |
| 08/21/2008 | US20080196389 Soot filter regeneration software, methods and systems |
| 08/20/2008 | EP1957178A1 Method and apparatus for cleaning filters |
| 08/20/2008 | CN201101922Y Air conditioner filter screen cleaning apparatus |
| 08/20/2008 | CN101247880A Porous membranes containing exchange resin |
| 08/12/2008 | US7410529 Filter service system and method |
| 08/07/2008 | US20080185324 Method and Apparatus for Treating Lime Slurry for Grit Removal |
| 07/31/2008 | WO2008091218A1 Method and system for cleaning filters |
| 07/31/2008 | CA2674942A1 Method and system for cleaning filters |
| 07/29/2008 | US7404833 Rotary pulse type filter dust collector |
| 07/24/2008 | US20080173581 Wast Water Treatment Process System |
| 07/16/2008 | CN101219370A Equipment for regeneration of filtering adsorption material |
| 07/15/2008 | US7399416 Continuously regenerating a reactive filter media while simultaneously filtering contaminants from fluid flowing through the filter media |
| 07/03/2008 | WO2008079283A2 Soot filter regeneration software, methods and systems |
| 07/03/2008 | US20080156745 Supplying a gas to scour a membrane to control fouling in a membrane filtration system |
| 07/02/2008 | CN101209407A Regeneration method aluminum fabrication plant production garbage diatomite filter aid waste residue |
| 07/01/2008 | US7393387 Particle filter cleaning apparatus |
| 06/10/2008 | US7384455 Filter service system and method |
| 06/05/2008 | US20080127827 Filter apparatus with pulse cleaning and methods for pulse cleaning filters |
| 06/05/2008 | US20080127826 Filter apparatus configuration of pulsed cleaned panel-style filters and methods |
| 06/05/2008 | US20080127825 System configuration of pulsed cleaned panel-style filter elements and methods |
| 05/22/2008 | WO2008061145A2 Filter system for internal combustion engines operated in a contaminated atmosphere |
| 05/21/2008 | CN101182068A High-loading logical filter capable of backwashing |
| 05/15/2008 | US20080110141 Filter system for internal combustion engines operated in a contaminated atmosphere |
| 05/13/2008 | US7371266 Apparatus for cleaning a diesel particulate filter with multiple filtration stages |
| 05/08/2008 | WO2008054262A1 Device for cleaning a diesel particulate filter |
| 05/07/2008 | EP1917096A1 Porous membranes containing exchange resin |
| 05/07/2008 | CN101172696A Air-water combined siphonage bidirectional backwash technique and device |
| 04/23/2008 | EP1660138A4 Filter assembly for a reprocessor |
| 04/16/2008 | CN101161334A A method for recovering waste gas during regenerative process of filtering adsorption material |
| 04/15/2008 | US7357829 Diesel particulate filter cleaning device and method |
| 04/15/2008 | US7357823 Disposable filter within a removable chamber |
| 04/10/2008 | WO2008042371A1 Method and system for removing ash from a filter |
| 04/09/2008 | CN100379460C Filter assembly for a reprocessor |
| 04/08/2008 | US7354469 Vacuum conveyor device with a multi-stage filter system |
| 04/03/2008 | WO2008037777A1 Method for regenerating an auxiliary filtering agent |
| 03/27/2008 | US20080072553 Method and apparatus for assembling a filter cartridge |
| 03/20/2008 | WO2008032182A1 Equipment and process for the regeneration of filtering material |
| 03/20/2008 | US20080066621 Particulate matter removal apparatus |
| 02/27/2008 | CN101130833A Demercuration method for active gold-carrying carbon containing mercury |
| 02/20/2008 | CN201024445Y Vortex type energy-saving backwash water-feeding equipment |
| 02/20/2008 | CN201023011Y Device for cleaning filter cloth |
| 02/20/2008 | CN101125271A Method for regenerating filtering absorbing material used for water treatment |
| 02/12/2008 | US7329292 Process byproduct trap and system including same |
| 02/05/2008 | US7326265 Method for cleaning the upstream surface of a particulate filter |
| 01/22/2008 | US7320760 Cleaning efficiency testing method and apparatus for a filter in a filtering system |
| 01/15/2008 | US7318249 Vacuum collector having sweeping device |
| 01/10/2008 | WO2008005216A2 Metal layer inducing strain in silicon |