| 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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| 09/28/2005 | CN1220759C Cleaning agent for filter material used in field |
| 09/06/2005 | US6939397 System for purifying and removing contaminants from gaseous fluids |
| 08/31/2005 | EP1567453A1 Reactive filtration |
| 08/18/2005 | US20050178408 For food, beverages; contactor filter with cyclic nitroxyl compound, and oxidizer |
| 07/13/2005 | CN1210087C Process for washing and renewing metal filtering sand of polyester assembly |
| 06/30/2005 | DE10319788B4 Verfahren und Vorrichtung zum Reinigen eines Partikelfilters Method and apparatus for cleaning a particle filter |
| 06/23/2005 | US20050132595 diesel engine filter cleaners comprising chambers having rotatable roll supports, motors and blowers for drawing and extracting air and removed particles from the trap towards filters, |
| 06/09/2005 | WO2004101101A3 System for purifying and removing contaminants from gaseous fluids |
| 06/02/2005 | WO2005049174A1 Solvent filtration system and methods |
| 05/25/2005 | DE10349843B3 Cleaning process, for drum-shaped filter, involves coarse cleaning under pressure and ultrasonic treatment in bath |
| 05/25/2005 | DE10349842A1 Steam cleaning cylindrical industrial wire gauze oil filter comprises coarse cleaning by pressurised steam or hot water jet medium, and placing in chemical treatment bath in which it is subject to ultrasonic cleaning |
| 05/18/2005 | CN1617920A Process for cleaning filters |
| 05/03/2005 | US6887387 Skimmer for removing hydrocarbon and metal chip contaminants from coolant; frame and endless tube; magnet, wiper, and receptacle |
| 04/21/2005 | WO2005035098A1 Method of regenerating filter fabric and regenerated filter fabric |
| 04/21/2005 | WO2005003469A3 Method and apparatus for a water filter backflush |
| 04/06/2005 | EP1200172B1 Filter-cleaning device and method, and fluid pulse generator particularly useful therein |
| 03/30/2005 | EP1517741A1 Process for cleaning filters |
| 03/24/2005 | US20050060969 Vacuum conveyor device with a multi-stage filter system |
| 03/17/2005 | US20050056583 Filtration device |
| 03/16/2005 | CN2684910Y Filter material cleaning device |
| 03/10/2005 | CA2536509A1 Denuder assembly for collection and removal of soluble atmospheric gases |
| 03/03/2005 | WO2005018777A1 Device and method for the cleaning of filters for electroerosion machines |
| 03/03/2005 | US20050045542 Oil and chip skimmer |
| 02/23/2005 | EP1508416A1 Method of manufacturing honeycomb structural body |
| 02/22/2005 | US6857163 Power blower having a debris-catching filter member |
| 02/16/2005 | CN1580336A Method for cleaning polyurethane-sticked filter piece and filter core |
| 02/09/2005 | EP1504802A1 Vacuum conveying device with multistage filter system |
| 01/27/2005 | WO2004101110A3 Filter unit and cleaning appliance, in addition to oven and method for cleaning a filter unit |
| 01/26/2005 | CN1569307A Recovery treatment system and method for oil field waste filtered substance |
| 01/20/2005 | US20050011357 Method and system for flushing ash from a diesel particulate filter |
| 01/13/2005 | WO2005003469A2 Method and apparatus for a water filter backflush |
| 01/12/2005 | CN1563314A Cleaning agent for filter material in use for field |
| 01/06/2005 | US20050000365 System for purifying and removing contaminants from gaseous fluids |
| 01/05/2005 | CN2668228Y Multi-dimensional space filtering-material scouring device |
| 12/30/2004 | US20040262243 Providing a source of purified water; exposing the filter to the purified water for cleaning; backflushing initiated on demand or through an automated routine that repeats on a regular basis |
| 12/29/2004 | CN1557526A Ultrasonic cleaning method of filter element and its device |
| 12/23/2004 | DE20312074U1 Vakuumfördereinrichtung mit einem mehrstufigen Filtersystem Vacuum conveying device with a multi-stage filter system |
| 12/23/2004 | DE10321290A1 Verfahren zur Reinigung eines Partikelfilters und Reinigungsvorrichtung für einen Partikelfilter A method for cleaning a particle filter and cleaning apparatus for a particle filter |
| 12/22/2004 | CN1556741A Method of manufacturing honeycomb structural body |
| 12/09/2004 | WO2004105918A1 Cleaning filter components |
| 12/08/2004 | CN2661289Y Outer scrubbing type filter |
| 12/02/2004 | DE10321973A1 Filtereinrichtung und Reinigungsgerät sowie Ofen und Verfahren zum Reinigen einer Filtereinrichtung Filter means and cleaning device, and furnace and method of cleaning a filter device |
| 11/25/2004 | WO2004101112A1 Method for cleaning a particle filter and cleaning device therefor |
| 11/25/2004 | WO2004101110A2 Filter unit and cleaning appliance, in addition to oven and method for cleaning a filter unit |
| 11/25/2004 | WO2004101101A2 System for purifying and removing contaminants from gaseous fluids |
| 11/25/2004 | DE10319788A1 Verfahren und Vorrichtung zum Reinigen eines Partikelfilters Method and apparatus for cleaning a particle filter |
| 11/03/2004 | EP1473446A1 Process and device for cleaning a particulate filter |
| 10/13/2004 | EP1465972A1 Process for cleaning filters |
| 10/13/2004 | CN1170777C Microbiological water filter |
| 10/07/2004 | US20040198599 Method of manufacturing honeycomb structural body |
| 10/06/2004 | CN2645746Y External scrub type walnuts shell filtering material filter |
| 09/22/2004 | EP1458452A1 Filtration device |
| 09/21/2004 | US6793716 Method and installation for cleaning a particulate filter on a motor vehicle |
| 09/15/2004 | CN2640579Y Cleaner for filter element |
| 09/10/2004 | WO2004076025A1 Washing device for pleated cartridges and filter comprising said device |
| 09/02/2004 | WO2004073835A1 Method for removing dirt and/or clogged material from a set of ducts |
| 08/05/2004 | US20040149318 Internal pressurized rinsing mechanism; efficiently forces large and small particulates from interior; reduces debris left on outer surface; nondamaging, nonclogging |
| 07/29/2004 | US20040144728 Continuously regenerating a reactive filter media while simultaneously filtering contaminants from fluid flowing through the filter media |
| 06/23/2004 | EP1370374A4 Rotative cleaning and sanitizing device |
| 06/17/2004 | WO2004050561A1 Reactive filtration |
| 06/17/2004 | WO2004050210A1 Apparatus for inhibiting fines carryover |
| 06/16/2004 | CN1153607C Method and device for cleaning filter |
| 06/08/2004 | US6745430 Having air jets that loosen and remove dirt retained in pleats |
| 06/03/2004 | US20040103788 high pressure/automatic; for exhaust gas streams; HEPA filters |
| 05/25/2004 | US6739347 System for spin-cleaning closed-end filter cartridges |
| 05/19/2004 | DE10251792A1 Verfahren zur Regenerierung von Filtermitteln, insbesondere Kieselgur Process for the regeneration of filter means, in particular kieselguhr |
| 05/12/2004 | EP1418001A1 Method for regenerating filter material, especially diatomaceous earth |
| 04/29/2004 | US20040079401 Re-useable filter cleaning apparatus |
| 04/20/2004 | US6723246 Filter cleaning method |
| 03/18/2004 | US20040050024 Coating film for oil recovery and coating composition for forming the coating film |
| 03/11/2004 | US20040045439 Method for cleaning the upstream surface of a particulate filter |
| 03/03/2004 | CN1479645A Filter sand washing method and its system |
| 02/26/2004 | US20040034961 Hi-flow air fan filter cleaner machine |
| 02/11/2004 | CN1474861A Oil recovery film and coating composition for forming said coating |
| 02/04/2004 | EP1386652A1 Device for cleaning tube filters and a transport container for this device |
| 01/22/2004 | DE10240389B3 Festes Filterreinigungsmaterial und Verfahren zur Reinigung von Filtern Fixed filter cleaning material and method for cleaning filters |
| 12/17/2003 | EP1370374A1 Rotative cleaning and sanitizing device |
| 12/10/2003 | EP1369161A1 Method for nondestructive inspecting of a depollution device for exhaust gases of an internal combustion engine and installation for restoring depollution devices |
| 12/02/2003 | US6656360 Use of wicking fiber material of thermoplastic resin containing selected liquid extractant, which can capture the metal contaminants |
| 11/27/2003 | WO2003097314A1 Method of manufacturing honeycomb structural body |
| 11/20/2003 | WO2003095078A1 Process for cleaning filters |
| 11/13/2003 | WO2003093659A1 Method for cleaning the upstream surface of a particle filter |
| 11/04/2003 | US6641646 Filter-cleaning device and method, and fluid pulse generator particularly useful therein |
| 11/04/2003 | US6640382 Mobile filter cleaning system |
| 10/28/2003 | US6638361 Method for cleaning filters |
| 10/22/2003 | EP1354625A1 Method for regenerating a mineral filtration substrate |
| 10/21/2003 | US6634192 System and method for flushing a membrane web using a vacuum roller |
| 09/25/2003 | DE20311191U1 Artificial sponge washing assembly directs water jets tangentially at sponge on rotating spindle |
| 09/09/2003 | US6615441 Cleaning apparatus |
| 08/27/2003 | CN1438062A Process for washing and renewing metal filtering sand of polyester assembly |
| 08/20/2003 | EP1336729A1 Method and apparatus for removing residues from a particulate filter in an exhaust gas arrangement of a combustion engine |
| 07/30/2003 | EP1330597A1 Method for cleaning the upstream surface of a particulate filter |
| 07/24/2003 | WO2003060052A1 Process for cleaning filters |
| 07/23/2003 | EP1329498A1 Process for cleaning filters |
| 07/17/2003 | US20030131438 Apparatus for cleaning elongated cylindrical filters |
| 07/03/2003 | WO2003053540A1 Filtration device |
| 07/03/2003 | CA2467733A1 Filtration device |
| 06/17/2003 | US6578590 Rotative cleaning and sanitizing device |
| 06/10/2003 | US6575180 Spa filter cleaning and rinsing device |
| 05/08/2003 | WO2003037477A1 Backwashable filtration apparatus and method of backwashing filtration apparatus |