| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 09/07/1994 | EP0613394A1 Conical coalescing filter |
| 09/07/1994 | EP0441794B1 Filter assembly and cartridge therefor |
| 09/07/1994 | CN2176177Y Bag dust collector |
| 09/01/1994 | WO1994019089A1 Noise attenuating air cleaner assembly for an internal combustion engine |
| 09/01/1994 | DE4324388C1 Filter cell and process for the production thereof |
| 09/01/1994 | DE4310568C1 Dust filter having vertically arranged filter bags |
| 08/31/1994 | EP0612551A2 Improved fiber beds for fiber bed mist eliminators |
| 08/31/1994 | EP0612390A1 Connections for valves |
| 08/31/1994 | EP0612266A1 Filtering device for containers with dust-laden crude air |
| 08/31/1994 | CN2175640Y Pneumatic control high pressure pulse dust remover |
| 08/30/1994 | US5342433 Dust collector with bimodal shaker |
| 08/30/1994 | US5342423 Air filter for an HVAC system and method of manufacturing same |
| 08/30/1994 | US5342420 Optional deodorant dispenser for vacuum cleaner |
| 08/30/1994 | US5342143 System and method for controlling emissions created by spraying liquids from moving vehicles |
| 08/26/1994 | CA2097887A1 Filtered air moving apparatus |
| 08/25/1994 | DE4305547A1 Knitted-wire hose and process and apparatus for producing it |
| 08/24/1994 | EP0611876A1 Oil separator for crankcase gases from an internal combustion engine |
| 08/24/1994 | EP0611590A1 Method for operating a filtration apparatus for flue gas |
| 08/24/1994 | EP0478712B1 Material discharge unit |
| 08/24/1994 | CN2175029Y Drawer-like silk net type device for removing foam |
| 08/24/1994 | CN2175028Y Device for air dust removing and air purification for indoor use |
| 08/24/1994 | CN1091052A 过滤器 Filter |
| 08/23/1994 | US5340546 Replaceable without contaminating system |
| 08/20/1994 | CA2115954A1 Oil separator for the gases of the crankcase of an internal-combustion engine |
| 08/18/1994 | WO1994017931A1 Dry fluid substance loading device |
| 08/18/1994 | WO1994017897A1 Air filter and method of producing the same |
| 08/18/1994 | DE4404290A1 Built-in filter for pipe strings |
| 08/18/1994 | DE4304889A1 Device for disposing of installed parts, which are contaminated with, and emit, chemical substances, in the interior of passenger vehicles. - A car for allergics - |
| 08/18/1994 | CA2155544A1 Dry fluid substance loading device |
| 08/17/1994 | EP0610578A1 Installation for coating by spraying powder |
| 08/16/1994 | US5338339 Filtration using multilayer filters of varying porosity; vibration |
| 08/16/1994 | US5338326 Device for monitoring filter components |
| 08/16/1994 | US5338325 Filter cartridge |
| 08/16/1994 | US5338253 Filter for an air-conditioning or heating system for a motor vehicle |
| 08/16/1994 | US5337739 Disposable bacteria filter |
| 08/16/1994 | US5337684 Material decontamination apparatus and method |
| 08/11/1994 | DE4303720A1 Particle filter system |
| 08/11/1994 | DE4303693A1 High power air filter for a passenger compartment for use in passenger cars and lorries |
| 08/10/1994 | EP0609314A1 Method of applying a wettant to a filtering media |
| 08/10/1994 | CN2173651Y Filter frame device for bag filter |
| 08/10/1994 | CN2173645Y Bag self-cleaning duster |
| 08/10/1994 | CN1090520A 过滤器 Filter |
| 08/09/1994 | US5336405 Filter cartridge end cap assembly |
| 08/09/1994 | US5335492 Exhaust gas filter and/or a catalytic converter |
| 08/09/1994 | CA1331351C Bag filter dust collector |
| 08/03/1994 | EP0608783A1 Electrically regenerable diesel particulate filter cartridge and filter |
| 08/03/1994 | CN2173107Y Arc shape filter for vector flow cleaning space |
| 08/02/1994 | US5334248 Controlling air flow depending on air pollution increment between two detected values |
| 08/02/1994 | US5334231 Paired retaining clips for gas furnace filter wire |
| 08/02/1994 | US5333637 Pneumatic instrument particle trap |
| 07/28/1994 | DE4401014A1 Tubular membrane within tubular housing having seals at both ends permitting axial movement |
| 07/28/1994 | DE4301717A1 Sectional housing for biological gas filter |
| 07/27/1994 | EP0608034A1 Filter device |
| 07/27/1994 | EP0607403A1 Filtering apparatus. |
| 07/27/1994 | CN2172673Y Self-cleaning air filter |
| 07/27/1994 | CN2172672Y Non-ferrous metal powder dust remover |
| 07/26/1994 | US5332562 Method for removing particulate matter and gases from a polluted gas stream |
| 07/26/1994 | US5332425 Air purifier |
| 07/26/1994 | US5332410 Shock resistant and temperature-strain resistant mounting for tubular particle filters |
| 07/26/1994 | US5332409 Air filtration system |
| 07/26/1994 | CA2113693A1 Electrically regenerable diesel particulate filter cartridge and filter |
| 07/21/1994 | WO1994016205A1 Exhaust filter backpressure indicator |
| 07/21/1994 | WO1994016204A1 Diesel engine exhaust regenerable filter system |
| 07/21/1994 | WO1994016147A1 System and method for controlling emissions created by spraying liquids from moving vehicles |
| 07/21/1994 | CA2152913A1 Exhaust filter backpressure indicator |
| 07/21/1994 | CA2151954A1 Diesel engine exhaust regenerable filter system |
| 07/20/1994 | EP0606960A1 Filter with quick-change coupling for cleaning gases |
| 07/20/1994 | EP0606608A1 Process and apparatus for the evacuation of solid residu from a gaspurification installation |
| 07/20/1994 | CN1089518A Apparatus for cleaning of polluted material from atmospher |
| 07/19/1994 | US5330723 Portable purifier; disposable cartridges; no preheating |
| 07/19/1994 | US5330562 Fluidized bed scrubber for use in gas cleaning system |
| 07/19/1994 | US5329739 Cover the walls or ceiling of a room |
| 07/16/1994 | CA2113516A1 Filter with quick-change coupling for cleaning gases |
| 07/14/1994 | DE4318738C1 Ambient air cleaning |
| 07/14/1994 | CA2113299A1 Method and device for removing solid residues from a gas purification installation |
| 07/13/1994 | EP0605853A1 Diesel particulate filter element and filter |
| 07/13/1994 | CN1089186A Portable room air purifier |
| 07/12/1994 | US5328492 Filtration apparatus |
| 07/07/1994 | WO1994015153A1 Portable room air purifier |
| 07/07/1994 | WO1994014522A1 Filter element |
| 07/07/1994 | DE4344269A1 Air filter assembly for air intake of internal combustion engine |
| 07/06/1994 | CN2170798Y Noiseless dust collector |
| 07/05/1994 | US5326512 Porous ceramic filter and preparation thereof |
| 07/05/1994 | US5325876 Ashtray with ozone generator and catalytic exchanger |
| 07/05/1994 | US5325707 Air filter condition indicator |
| 07/05/1994 | CA1330540C Use of scent, specifically in vacuuming |
| 07/01/1994 | CA2112634A1 Integrated particulate/soxnox removal matter/processes and systems |
| 06/30/1994 | DE4326622A1 Automobile air ventilation filter |
| 06/30/1994 | DE4243746A1 Gas emission filter cartridge |
| 06/29/1994 | EP0603392A1 Particulate trap for purifying diesel engine exhaust gas |
| 06/29/1994 | EP0490960B1 Filtering unit for cleaning supply air |
| 06/29/1994 | CN2170144Y Environmental protection dust collector |
| 06/29/1994 | CN1025233C Air inlet filter for internal-combustion engine |
| 06/28/1994 | US5324344 System for and method to verify proper operation of a particulate emission detector |
| 06/23/1994 | WO1994014013A1 Filter system to purify air of smoking rooms |
| 06/23/1994 | WO1994013389A1 Filter |
| 06/23/1994 | WO1994013388A1 Scrubber system apparatus and method for cleaning air/gases |
| 06/23/1994 | EP0640002A4 Air filter. |
| 06/23/1994 | DE4336671A1 Filter for separating floating matter from a gas |
| 06/23/1994 | DE4243035A1 Regenerator for diesel engine exhaust gas soot filters |