| 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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| 05/02/2003 | EP1305103A2 Regenerable air cleaning device |
| 05/01/2003 | US20030079607 Method and installation for cleaning a particulate filter on a motor vehicle |
| 04/23/2003 | CN2546076Y Oil-fuel active carbon regenerating furnace |
| 04/16/2003 | EP1302232A1 Process and device for cleaning a particle filter of a car |
| 03/25/2003 | US6536061 Method and apparatus for cleaning oil absorbent materials |
| 03/20/2003 | WO2003022936A1 Coating film for oil recovery and coating composition for forming the coating film |
| 02/27/2003 | US20030037808 Comprises self-centered (via three-point grip on perimeter) spindle on the end of the cylindrically shaped cartridge filter wherein pressurized stream of air or water rotates and flings debris via centrifugal force |
| 02/05/2003 | EP1038041B1 A fibrous system including wicking fibers impregnated with extractant for continuously capturing metals from an aqueous stream |
| 01/23/2003 | US20030015467 Microbiological water filter |
| 11/28/2002 | WO2002094415A1 Method for cleaning the upstream side of a particulate filter |
| 11/28/2002 | US20020174511 Power blower having a debris-catching filter member |
| 11/27/2002 | CN1382108A Microbiological water filter |
| 11/21/2002 | US20020170585 Spa filter cleaning and rinsing device |
| 11/14/2002 | US20020166578 Rotative cleaning and sanitizing device |
| 10/31/2002 | US20020157539 Actuating the valve member of the fluid pulse generator to its open position to apply a high-pressure high-flow impulse of compressible fluid to filter outlet for back-flushing the filter body through the filter inlet |
| 10/31/2002 | DE10118864A1 Diesel catalyst cleaning involves placing it in upright position and using combined back-flush of compressed air and rinsing agent |
| 10/30/2002 | EP1252919A1 Method and apparatus for cleaning a particulate filter of a motor vehicle |
| 10/15/2002 | US6463943 Swimming pool filter cleaning device |
| 10/03/2002 | WO2002076639A1 Rotative cleaning and sanitizing device |
| 10/03/2002 | CA2440869A1 Rotative cleaning and sanitizing device |
| 09/24/2002 | US6454834 Filter sheet that includes activated carbon fibers |
| 09/05/2002 | US20020121483 Filter cleaning method |
| 09/04/2002 | CN1367034A Air cleaner dust-removing machine |
| 08/29/2002 | WO2002066143A1 Method and apparatus for cleaning filters |
| 08/15/2002 | US20020108637 System and method for flushing a membrane web using a vacuum roller |
| 08/14/2002 | DE19743653C2 Ein Verfahren und eine Vorrichtung zum Reinigen von Sand A method and an apparatus for cleaning sand |
| 08/06/2002 | US6428588 Filter cleaning apparatus |
| 07/30/2002 | CA2082891C Improved drip pipe for application of wash liquid to filter surfaces |
| 06/19/2002 | EP1214273A1 Microbiological water filter |
| 06/13/2002 | US20020069894 Analyzing contamination of filter media for selecting cleaning steps; pretreating filter whose filter media is analyzed as heavily contaminated; cleaning filter media; restoring filter media for preventing reduction of thickness of cleaned filter |
| 05/28/2002 | US6394113 Method and apparatus for cleaning filters |
| 05/22/2002 | EP1200172A4 Filter-cleaning device and method, and fluid pulse generator particularly useful therein |
| 05/15/2002 | CN2491088Y Dual-purpose device for feeding material and medicines |
| 05/10/2002 | WO2002036943A1 Method for cleaning the upstream surface of a particulate filter |
| 05/10/2002 | WO2002036239A1 Filter sand washing method and its system |
| 05/07/2002 | US6382221 Particulate matter washing method |
| 05/02/2002 | EP1200172A1 Filter-cleaning device and method, and fluid pulse generator particularly useful therein |
| 04/11/2002 | WO2002009847A3 Regenerable air cleaning device |
| 04/04/2002 | WO2002026347A1 Improved filter cleaning method |
| 03/20/2002 | EP0928220B1 Cleanable filter elements |
| 03/13/2002 | EP1186356A2 Cleaning apparatus |
| 03/07/2002 | US20020026682 Cleaning apparatus |
| 02/07/2002 | WO2002009847A2 Regenerable air cleaning device |
| 01/10/2002 | US20020003110 Fibrous system for continuiusly capturing metals from an aqueous stream |
| 12/25/2001 | CA2260105C Cleanable filter media and filter elements |
| 11/28/2001 | CN1324311A Air bag gas generator and coolant therefor |
| 11/08/2001 | DE19534102C2 Verfahren und Vorrichtung zur Tiefenfiltration von Flüssigkeiten Method and apparatus for depth filtration of fluids |
| 09/13/2001 | DE10034064C1 Device for cleaning porous material using ultrasound connects an ultrasonic converter to a rod-shaped resonator with a hollow space for inserting porous material |
| 09/06/2001 | US20010018921 Such as for sand used as a filtration media used in water treatment, using a screw conveyor in a cleaning tank for rotation around a vertical axis, so part of the screw is underwater and the upper part is above the surface |
| 09/06/2001 | DE10007313A1 Cleaning of components contaminated by polymer deposits from plastics processing, e.g. thermally-sensitive metal filters, employs heating in inert gas and hydrolytic decomposition |
| 08/29/2001 | EP1127753A1 Air bag gas generator and coolant therefor |
| 08/23/2001 | WO2001060533A1 Method for cleaning apparatus and machine parts that are soiled by polymer deposits |
| 08/16/2001 | WO2001058564A1 Filter-cleaning device and method, and fluid pulse generator particularly useful therein |
| 08/16/2001 | EP0831960B1 Process for regenerating filtration adjuvants and filtration process using such a regeneration process |
| 08/14/2001 | US6273106 Particulate matter washing apparatus and method |
| 08/01/2001 | CN1305860A Regeneratable filter cell and its regeneration process |
| 07/25/2001 | CN1068796C Regeneration method for metal powder sintered filter element |
| 07/04/2001 | CN1067909C Method for filtration by filter aid and regeneration method for said aid |
| 06/19/2001 | US6248246 Continuous-action filtering method and apparatus |
| 05/15/2001 | US6230353 Method and apparatus for cleaning oil absorbent materials |
| 03/22/2001 | DE19944624A1 Process for working up used filter material produced from the filtration of rolling oils used for rolling aluminum foils and strips uses a scrubbing solution to produce rolling oil, kieselguhr, bleaching material and aluminum for reuse |
| 03/01/2001 | WO2001014257A1 Microbiological water filter |
| 02/13/2001 | US6187192 Water containing bacteria and/or viruses is passed through a purification material composed of apatite and absorption media in a fixed binder matrix |
| 01/30/2001 | US6180016 Mixture of apatite in binder |
| 01/17/2001 | CN1280026A Method and device for cleaning filter |
| 01/10/2001 | EP1066870A1 Method and apparatus for cleaning filters |
| 01/09/2001 | US6171366 Control systems for operating gas cleaning devices |
| 12/20/2000 | EP1060780A1 Process and apparatus for cleaning a particle filter and process for treating the effluent produced from cleaning |
| 12/20/2000 | EP0619753B1 Process and device for removing deposits from filter auxiliaries |
| 12/05/2000 | US6156213 Embedded spin-clean cartridge-type water filters |
| 11/28/2000 | US6152155 Filter cleaning device |
| 11/15/2000 | EP1051226A1 Continuous-action filtering method and apparatus |
| 11/15/2000 | CN1058419C Apparatus for cleaning filter assembly |
| 09/28/2000 | DE19913737A1 Cleaning jig for agricultural dry filter bags comprises turntable rotated by motor, surrounded by air jet pipe |
| 09/27/2000 | EP1038041A1 A fibrous system including wicking fibers impregnated with extractant for continuously capturing metals from an aqueous stream |
| 09/14/2000 | WO2000021637A9 Renewable filter |
| 09/12/2000 | US6117459 Filtration adjuvants, filtration supports, filtration process using them and process for regenerating said adjuvants |
| 08/29/2000 | US6110243 Cleanable filter bag assembly |
| 08/15/2000 | US6103506 Enzyme and microorganism degrading rhamnogalacturonane II |
| 08/15/2000 | US6102054 Screen and mat cleaning apparatus |
| 08/03/2000 | DE19854704C1 Cylindrical filter element holding and pneumatic cleaning device, for fluid bed dryers in pharmaceutical and food industry use, comprises spring loaded filter, axial hollow rod, cover, and compressed air inlet |
| 06/28/2000 | CN2384667Y Combine mached with walking tractor |
| 06/08/2000 | WO2000032325A1 Filter cleaning device |
| 06/08/2000 | CA2352751A1 Filter cleaning device |
| 05/16/2000 | US6063164 Filtration process for glass furnace dust |
| 05/11/2000 | WO2000026066A1 Air bag gas generator and coolant therefor |
| 05/02/2000 | US6056797 Dust collector filter cleaning control system |
| 04/20/2000 | WO2000021637A1 Renewable filter |
| 04/06/2000 | WO2000018488A1 Continuous-action filtering method and apparatus |
| 04/06/2000 | CA2312218A1 Continuous-action filtering method and apparatus |
| 03/29/2000 | CN1248479A Regeneration method for metal powder sintered filter element |
| 02/17/2000 | DE19834942A1 Water spraying cleaning device for rotated hydraulic fluid filter elements comprises flushing tank in housing, with holding device and water spray nozzles |
| 01/19/2000 | EP0772631A4 Processes for the purification of human recombinant decorin and the detection of guanidinium ions |
| 11/23/1999 | US5989419 Spinner for cleaning cartridge-type water filters |
| 10/27/1999 | EP0900117A4 Control systems for operating gas cleaning devices |
| 10/07/1999 | WO1999049953A1 Method for cleaning metal or ceramic equipment and machine parts soiled with polymer deposits |
| 09/30/1999 | DE19813865A1 Verfahren zur Reinigung von durch Polymerablagerungen verschmutzten Apparate- und Maschinenteilen aus Metall oder Keramik, insbesondere von Spinnpaketen, Spinndüsen, Kerzenfiltern und Filterplatten Methods for cleaning soiled by polymer deposition apparatus and machine parts made of metal or ceramic, in particular of spin packets spinneret, candle filters and filter plates |
| 09/14/1999 | CA2007253C Method for in-situ repair of solvent dewaxing filter cloths |
| 09/02/1999 | DE19806651A1 Filter insert cleaning lance for cleaning filter cartridges |
| 07/27/1999 | US5928414 Cleanable filter media and filter elements |