| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 08/10/1993 | US5234481 Filtration and pressure stabilization device for variable-flow ventilation system |
| 08/05/1993 | DE4202769A1 Fan-fold gas filter - has edges heated and deformed to produce continuous rim easy to seal against surrounding frame |
| 08/03/1993 | US5232595 Deep bed filter, method of manufacture of a filter layer and a filter module |
| 08/03/1993 | US5232480 Filter |
| 08/03/1993 | US5232477 Device for controlling exhaust emission |
| 08/03/1993 | US5232085 Distillation system with a hydrophobic porous membrane |
| 07/29/1993 | DE4201702A1 Cleanable gas dust filter for industrial application - has star-shaped supporting frame and insert and end plates enclosing open folds |
| 07/28/1993 | EP0552998A1 Process for reducing the introduction of droplets in an hydrogen stream |
| 07/28/1993 | EP0552706A1 Filtration device for gas stream filtration |
| 07/28/1993 | EP0552454A2 Apparatus for cleaning the filtering elements of a filter |
| 07/28/1993 | EP0552263A1 Separation and storage of particulate solids. |
| 07/28/1993 | EP0439532B1 Device for the parallel filtration of a plurality of samples with automatic control of filtered volumes and of clogging as well as with filter indexing, and filtration method |
| 07/28/1993 | EP0285612B1 Moisture remover in compressed air system |
| 07/28/1993 | CN2139017Y Self-excitation oscillating brick and concrete structure dust collector |
| 07/28/1993 | CN1074627A Purifying method and device for cigarette smog |
| 07/27/1993 | US5230799 Filter frame |
| 07/27/1993 | US5230727 Air filter for medical ventilation equipment and the like |
| 07/27/1993 | US5230726 Automobile inflatable air bags |
| 07/27/1993 | US5230721 Apparatus for supplying ultrahigh purity gas |
| 07/27/1993 | US5230720 Air purifying side table |
| 07/27/1993 | US5230455 Self-supporting filter units |
| 07/22/1993 | WO1993014304A1 Soot filter for internal combustion and especially diesel engines |
| 07/22/1993 | WO1993013849A1 Filter and filter element |
| 07/22/1993 | WO1993013845A1 A method and apparatus for cleaning the cloth in bag filters |
| 07/22/1993 | DE4201260A1 Ambient air filter - has automatic up=and=down movement according to the air quality and is connected to air conditioning and ventilation units via flap |
| 07/22/1993 | CA2082102A1 Convertible asphalt and soil remediation plant and methods of operation |
| 07/21/1993 | EP0551951A1 An apparatus for filtering solid particles from a fluid |
| 07/20/1993 | US5229078 Filter for the separation of impurities or contaminants |
| 07/20/1993 | US5228892 Exhaust emission control device |
| 07/20/1993 | US5228891 Regenerable diesel exhaust filter |
| 07/15/1993 | DE4300422A1 Protective arrangement, partic. for windows - deflects dirt, dust, pollen, insects, wind, draught, water but guarantees fresh air supply |
| 07/15/1993 | DE4300400A1 Retention of over-spray in spray painting - has paint caught on continuously moving filtration surface which passes through washer and is returned |
| 07/15/1993 | DE4200552A1 Russfilter fuer verbrennungs-, insbesondere dieselmotoren Soot filter for IC engine, particularly diesel engines |
| 07/13/1993 | US5227074 Removably supporting frame with strengthening cross-members in port, disposing filter element between interior of container and cross-members, drawing moisture from container through filter and past cross-members under vacuum |
| 07/13/1993 | US5226939 Surgical smoke evacuation system |
| 07/13/1993 | US5226938 Separator assembly |
| 07/13/1993 | US5226581 Method of retrofitting metal fiber felt in polymer filtration devices |
| 07/13/1993 | CA1320184C Portable electric blower with intake shield |
| 07/08/1993 | WO1993013848A1 Regenerable diesel exhaust filter |
| 07/08/1993 | WO1993013303A1 A filter unit and a filter body for filtering exhaust gas from diesel engines |
| 07/08/1993 | WO1993012867A1 Catalytic filtration device and method |
| 07/08/1993 | WO1993012862A1 Filter element for filtering fluids |
| 07/08/1993 | WO1993012858A1 Filter system for filtering fluids |
| 07/08/1993 | DE4216102C1 Good internal cleaning of tubular filter cartridge - using narrow central jet of compressed air, providing cleaning of filter even during operation |
| 07/08/1993 | CA2105482A1 Regenerable diesel exhaust filter |
| 07/07/1993 | EP0549873A1 Method of making porous ceramic suitable as diesel particulate filters |
| 07/06/1993 | US5224976 Device for separating liquids and/or solids from a high-pressure gas stream |
| 07/06/1993 | US5224973 Filter cartridge for trap apparatus |
| 07/01/1993 | DE4143237A1 Filterelement zum filtern von gasen und/oder fluessigkeiten, insbesondere zum filtern der in den fahrgastraum eines kraftfahrzeuges einstroemenden luft Filter filter element for filtering of gases and / or liquids, in particular for the in the passenger compartment of a motor vehicle incoming air |
| 06/30/1993 | EP0549105A1 Forming workpieces and a forming assembly therefor |
| 06/30/1993 | EP0548568A1 Process and apparatus for purifying a gaseous and/or vaporous medium |
| 06/30/1993 | EP0548523A1 Annular filter obtained from pleated filter material |
| 06/30/1993 | EP0548287A1 Filter assembly for gas analyser |
| 06/29/1993 | US5223012 Dimensionally stable telescopically engaging hollow tubular segments for high speed gas filtration |
| 06/29/1993 | US5223011 Air filter assembly |
| 06/29/1993 | US5223010 Bag tensioner device |
| 06/29/1993 | US5223008 Horizontally mounted filter cartridge dust collector |
| 06/29/1993 | US5223005 Dust and fume collector |
| 06/29/1993 | US5222488 Respirator air filter cartridge with a replaceable filter element |
| 06/24/1993 | DE4235316A1 Candle for pressure candle filter - has smooth candle body of polygonal or helical cross=section |
| 06/24/1993 | DE4141580A1 Exhaust gas particle filter esp. for diesel exhaust - has at least two filter layers of different ceramics between the clean and crude gas sides, the first filter being coarser than the second, giving high sepn. and low pressure loss |
| 06/24/1993 | CA2085419A1 Accumulator for vehicle air conditioning system |
| 06/23/1993 | EP0547842A1 Air bag inflator |
| 06/22/1993 | US5221484 Useful for catalyzing gas phase reactions, such as, oxidation of nitrogen oxides, oxidation of sulfur dioxide and organic vapors |
| 06/22/1993 | US5221300 Dust separator and filter suitable for use in such a dust separator |
| 06/22/1993 | US5221292 Air cleaning system for vehicle passenger compartment |
| 06/17/1993 | DE4141227A1 Pressurised fluidised bed reactor - has filter gps. and recirculation flues for flue dust return to bed |
| 06/17/1993 | CA2084464A1 Air bag inflator |
| 06/16/1993 | EP0546250A2 Apparatus for cleaning gas |
| 06/16/1993 | CN2136067Y Heatproof bag-type dust collector |
| 06/16/1993 | CN1021201C Filter for separation of solid from hot gas or liquid |
| 06/15/1993 | US5218832 Separation method and apparatus for a liquid and gas mixture |
| 06/15/1993 | CA2014404C Two stage air filtration system |
| 06/12/1993 | CA2057452A1 Mounting frame for a filter disposed at the front of the ceiling in a clean room |
| 06/10/1993 | WO1993011087A1 Structure for a filter or a heat exchanger and a method for making the structure |
| 06/10/1993 | WO1993010881A1 Filter for purification of gas |
| 06/09/1993 | EP0545214A2 Process for waste air purification from oil-mill plants |
| 06/09/1993 | CN2135392Y Intermittent countblow ash-cleaner for mechanical rotary bag type dust remover |
| 06/09/1993 | CN2135391Y Dust remover |
| 06/08/1993 | US5217514 Filtering device for tenter treatment gases |
| 06/08/1993 | US5217513 Air filter assembly |
| 06/08/1993 | US5217512 Apparatus for filtering debris from a moving airstream |
| 06/08/1993 | US5217509 Filtration system |
| 06/08/1993 | US5217236 O-ring seal of geared-motor |
| 06/08/1993 | US5216777 Fuzzy control apparatus generating a plurality of membership functions for determining a drive condition of an electric vacuum cleaner |
| 06/05/1993 | CA2084373A1 Process for purifying exhaust air from plant parts of oil mills |
| 06/03/1993 | DE4138890A1 Fan folded filter insert with folded edges prevents unfiltered gas ingress - requiring no heat applied plasticised sealing material and avoiding heat damage esp. for automotive applications |
| 06/02/1993 | CN2134888Y Cloth-net-type continuous circulating dust collector |
| 06/01/1993 | US5215724 Stacks of porous plates spaced from each other to form channels for radial gas flow; internal combustion engines |
| 06/01/1993 | US5215609 Forming pockets into which frame can be inserted |
| 06/01/1993 | US5215562 Self-cleaning filter apparatus |
| 06/01/1993 | CA1318608C Filter element and assembly |
| 05/27/1993 | WO1993009864A1 Method and device in a filter valve |
| 05/27/1993 | DE4138306A1 Diesel engine exhaust filter - has nozzle system for directing regeneration gas onto filter body |
| 05/27/1993 | DE4138284A1 Diesel engine exhaust filter - with reduced temp. variation caused by hot gas regeneration, has baffle with opening connecting exhaust space to regeneration space |
| 05/26/1993 | CN2134222Y Cylinder type air purifier |
| 05/25/1993 | US5213597 Filtration system for bottled water dispenser with check valve |
| 05/25/1993 | US5213596 Air cleaner device |
| 05/19/1993 | EP0542396A2 Self-supporting filter unit |
| 05/19/1993 | EP0541861A1 Mounting frame for a filter disposed at the front of the ceiling in a clean room |