| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 05/06/1999 | EP0912227A1 Ring-shaped air distribution disc and an air distribution device having such an air distribution disc |
| 05/06/1999 | EP0912225A1 Disk, in particular the front disk of a filter element |
| 05/06/1999 | DE19741514C1 Closed circuit for air used to blast-off dust cake periodically from tubular bag filters |
| 05/05/1999 | CN2316996Y Dust remover with flat cloth bag |
| 05/05/1999 | CN1216087A Heat-resistant and regenerable filter body with flow paths |
| 05/04/1999 | US5900032 Air cleaner device |
| 05/04/1999 | CA2017138C Filter cartridge |
| 05/03/1999 | CA2253162A1 Filter drainage layer attachment |
| 04/29/1999 | WO1999020370A1 Process and device for cleaning a dust separator |
| 04/29/1999 | WO1999020369A1 Air filtering device |
| 04/29/1999 | DE19747004A1 Wound filter module has internal support structure preventing mechanical |
| 04/28/1999 | EP0910456A1 Filter arrangement including removable filter with first and second media secured together |
| 04/28/1999 | EP0910454A1 Particle filter in the form of a pleated nonwoven layer |
| 04/28/1999 | EP0840644B1 Conductive filter element |
| 04/28/1999 | CN2316587Y Rotary net-type cooking fume reparator |
| 04/28/1999 | CN1215348A Separator for removing fine particulates from air |
| 04/28/1999 | CN1214950A 滤器插头 Filter plug |
| 04/27/1999 | US5897691 Telescoping canister for containing filter material |
| 04/27/1999 | US5897676 Reverse flow air filter arrangement and method |
| 04/22/1999 | WO1999019044A1 Method and apparatus for separating droplets or particles from a gas stream |
| 04/22/1999 | DE19735267C1 Line filter for pneumatic brake lines in heavy commercial vehicles |
| 04/21/1999 | EP0909576A1 Exhaust gas purification apparatus |
| 04/21/1999 | EP0841977B1 Composite fibrous filters |
| 04/21/1999 | CN2315459Y Rotary net purifier for fume exhauster |
| 04/21/1999 | CN2314842Y Multilayer porous air filter plate |
| 04/21/1999 | CN1214639A Filter and filter basket securing device |
| 04/20/1999 | US5895572 Porous monolithic support for filtration membranes |
| 04/20/1999 | US5895521 Backwashing and eficiently blowing powder attached and accumulated on filter membrane to regenerate its surface; filter element with specified area parameters |
| 04/20/1999 | US5895510 Air filter assembly |
| 04/20/1999 | CA2138484C Air flow sterilizer |
| 04/14/1999 | EP0908212A1 Process and device for monitoring the operatability of a filter |
| 04/14/1999 | CN1213983A Hot gas filter cartridge |
| 04/13/1999 | US5893973 High efficiency backflush system for a filter |
| 04/13/1999 | US5893945 End structures for filter canisters |
| 04/13/1999 | US5893939 Air purifier and filter assembly therefor |
| 04/13/1999 | US5893937 Air filter especially for cleaning combustion air for internal combustion engines |
| 04/13/1999 | CA2122097C Filter media construction |
| 04/13/1999 | CA2009478C Filter cartridge |
| 04/08/1999 | WO1999016961A1 Resin-treated mercerized fibers and products thereof |
| 04/08/1999 | WO1999016538A1 Devices and methods for locating defective filter elements among a plurality of filter elements |
| 04/08/1999 | WO1999016535A1 Indicator arrangement for air cleaner systems and methods thereof |
| 04/08/1999 | WO1999016534A1 Filter material construction and method |
| 04/08/1999 | WO1999016530A1 Microstructured filter |
| 04/08/1999 | CA2303903A1 Devices and methods for locating defective filter elements among a plurality of filter elements |
| 04/08/1999 | CA2301906A1 Indicator arrangement for air cleaner systems and methods thereof |
| 04/07/1999 | EP0836672B1 Filter element |
| 04/07/1999 | EP0786104B1 Filter for a photothermographic developer |
| 04/07/1999 | EP0703827B1 Device for the separation of microscopic particules out of air |
| 04/06/1999 | US5891399 Air purifcation cleaning systems using radiation |
| 04/06/1999 | US5891337 Filter with molded end cap and media spacer |
| 04/06/1999 | US5891223 Multi-stage vent filter |
| 04/06/1999 | US5891208 Multilayer filter |
| 04/06/1999 | US5891207 Engine intake-air filter apparatus |
| 04/01/1999 | WO1999015835A1 Air conditioner |
| 04/01/1999 | WO1999015466A2 Glass furnace exhaust gas filter combined with raw material preheater |
| 04/01/1999 | WO1999015272A1 Catalytically active permeable composite material, method for producing said composite material, and use of the same |
| 04/01/1999 | WO1999015262A1 Permeable composite material, method for producing said composite material, and use of the same |
| 04/01/1999 | WO1999015260A1 Method for separating mixtures of substances using a material pervious to said substances |
| 04/01/1999 | WO1999015257A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 04/01/1999 | WO1998047600A9 Induction assembly for high efficiency air filter |
| 04/01/1999 | CA2272318A1 Method for separating mixtures of substances using a material pervious to said substances |
| 04/01/1999 | CA2272314A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 03/31/1999 | EP0904826A2 An air intake apparatus for semiconductor fabricating equipment |
| 03/31/1999 | EP0904822A2 Filter element |
| 03/31/1999 | EP0904143A1 Fluted filter media |
| 03/31/1999 | EP0904141A1 Filter housing with irregular rib |
| 03/31/1999 | CN2312063Y Equipment for continuously collecting super-fine powder |
| 03/31/1999 | CN1212753A Combustion equipment for flue gas exhausting plants |
| 03/30/1999 | US5888442 Method of manufacturing a filter element |
| 03/30/1999 | US5888262 Filter insert and process for producing it |
| 03/30/1999 | US5888260 High performance automotive air intake |
| 03/30/1999 | US5888259 Filter device for compressed air |
| 03/30/1999 | US5887797 Bag house cleaning systems |
| 03/30/1999 | US5887442 Refrigeration condenser filter system |
| 03/30/1999 | CA2152159C System and method for controlling emissions created by spraying liquids from moving vehicles |
| 03/30/1999 | CA2121563C Method and apparatus for separating solids from gas in high pressure solids-gas stream utilizing a packed bed of the solids |
| 03/25/1999 | WO1999014483A1 Air cleaner assembly and method |
| 03/25/1999 | WO1999013958A1 Fluid treatment arrangement |
| 03/25/1999 | DE19756662C1 Band filter purifying passenger compartment air |
| 03/25/1999 | DE19741498A1 Ceramic/stainless steel composite material used in the production of e.g. membrane filters |
| 03/25/1999 | CA2302233A1 Air cleaner assembly and method |
| 03/24/1999 | EP0775012B1 Process for manufacturing a filter unit |
| 03/24/1999 | CN1211935A Electrostatic fibrous filter web |
| 03/23/1999 | US5885455 Filtration unit with pleated filter element |
| 03/23/1999 | US5885453 Device for the physicochemical separation of constituents of a fluid |
| 03/23/1999 | US5885409 Filter and method and apparatus for manufacture thereof |
| 03/23/1999 | US5885392 Method of bonding end caps to pleated filter elements |
| 03/23/1999 | US5885314 Unitary filter cartridge |
| 03/23/1999 | US5884474 Mixed oxide eutectic composition |
| 03/18/1999 | WO1999012630A1 Well casing assembly with erosion protection for inner screen |
| 03/18/1999 | WO1999012629A1 End-cap for pleated filter cartridge |
| 03/18/1999 | DE19739510A1 Pleated annular air filter resisting pressure peaks and pulsations on clean air side |
| 03/18/1999 | CA2301617A1 Well casing assembly with erosion protection for inner screen |
| 03/17/1999 | CN2310613Y Paint atomizing filter |
| 03/17/1999 | CN1042497C Apparatus for cleaning of polluted material from atmospher |
| 03/16/1999 | US5882379 Dust collectors, filters, containers, sensors and pressure differential detectors with air flow |
| 03/16/1999 | US5882367 Rotatable sealed filter outlet |
| 03/16/1999 | US5882288 Apparatus and method for forming spiral pleated filter cartridges |
| 03/16/1999 | US5881809 Well casing assembly with erosion protection for inner screen |
| 03/16/1999 | CA2006239C Method of filtration and filter to carry it out |