Patents
Patents for B01D 50 - Combinations of devices for separating particles from gases or vapours (13,509)
04/1992
04/15/1992CN2101523U Whirlpool duster made of metal and ceramics pipe
04/08/1992EP0478712A1 Material discharge unit.
04/08/1992CN1060039A Smoke and dust treatment
03/1992
03/31/1992US5100442 Gas scrubber system
03/17/1992US5096475 Separator for a vacuum cleaner system
03/10/1992US5094676 Filter/fan assembly
03/04/1992CN2097680U Electrostatic reinforced fibre duster
03/03/1992US5092912 Pollution abatement method
02/1992
02/26/1992CN1058919A Dust collector with desulfurization and deodorization functions
02/25/1992WO1992003210A1 Separator for a vacuum cleaner system
02/11/1992US5086715 Shock-cooling to eliminate formation of toxic dioxins and furans
01/1992
01/23/1992WO1992000860A1 Air cleaner for cooling device in driving system mounted on large-sized dump truck
01/22/1992CN2093692U Multi-functional air disinfection and sterilization purifier
01/21/1992CA1294566C Dust collector
01/14/1992CA1294211C Scrubber
01/07/1992US5078760 Roughing cyclones cooperating with cross-flow filters
12/1991
12/24/1991US5074895 Intermittent drive for bag house cleaning head
12/11/1991EP0460115A1 A system and a process for the purification treatment of smokes, dusts and exhaust gases after combustion
12/10/1991CA1292941C Purification system
11/1991
11/24/1991CA2042991A1 Recirculating water washer means and method
11/19/1991US5066315 Reverse gas flow by rapid pressure rise
11/12/1991US5064454 Filtration removal of matter from gas streams, with off-line cleaning of filters
11/06/1991EP0454715A1 Filtration apparatus
10/1991
10/23/1991EP0452964A1 Grease extractor
10/23/1991EP0452373A1 Matter collection system including off-line filter cleaning.
10/16/1991CN2086751U Two-stage dust filter
10/12/1991WO1991015283A1 Wet blaster/wet washer
10/12/1991CA2055505A1 Wet blaster/wet washer
09/1991
09/24/1991US5051118 Filtration of gases charged with paint drops
09/18/1991CN2084841U Water-film filter of cooking fume
09/03/1991US5045098 Bag separator
08/1991
08/28/1991CN1013641B Method and apparatus for treating process gases
08/20/1991US5041146 Filter apparatus
08/13/1991US5039494 Method of treating exhaust from laser surgery
08/07/1991CN2082192U Steam washing type dry or wet dust remover
08/07/1991CN1053564A Dry gravitational stratification for separating and refining diatomite
07/1991
07/30/1991US5035730 Mist recovery apparatus with twisted strip inserted pipes
07/23/1991US5034032 Air cleaner and air filter
07/23/1991US5034031 Method for vacuum cleaner with uninterrupted and undiminished performance
07/18/1991DE4101144A1 Centrifugal force and filtration of eccentric filter fabric - separates dust from contaminated gas
07/18/1991DE4000845A1 Sepg. gas-liq. mixt. - using first cyclone chamber to separate liq. from gas and second fine sepn. chamber with fine pored fixed filter
07/17/1991CN1053013A Mixed flow fan for dedusting
07/16/1991US5032153 Process for filtering air and cyclone filter with filter cartridge for implementing the process
07/16/1991US5032143 Purification
07/16/1991CA1286233C Column for removing liquid from a gas
07/11/1991WO1991009663A1 A system and a process for the purification treatment of smokes, dusts and exhaust gases after combustion
07/09/1991US5030260 Disk drive breather filter
07/09/1991US5030259 Portable vacuum cleaning system
07/09/1991US5030258 Mist recovery apparatus
06/1991
06/26/1991EP0434007A2 Portable vacuum cleaning system
06/18/1991US5024681 Flowing flue gases through electrostatic precipitator, retaining charges, then high speed filtration
06/16/1991WO1991008838A1 Compact hybrid particulate collector (cohpac)
06/12/1991EP0432027A1 High-pressure cleaner equipped with an assembly for recuperating cleaning liquid and waste
05/1991
05/29/1991EP0428911A1 Cleaning machine
05/21/1991US5017203 Gas scrubbing apparatus and process
05/08/1991EP0426094A1 Cleaning machine
05/07/1991US5013342 Centrifugal separator and granular filter unit
04/1991
04/30/1991US5011519 In-line filter and trap structure device for compressed air
04/17/1991EP0422740A2 flue gas filter with velocity-reducing chamber and cleaning unit for the filter cloth
04/17/1991EP0422709A1 Process for the removal of dust from gases
04/16/1991US5007180 Method of and an apparatus for the separation of condensable harmful substances
04/03/1991EP0420373A2 Ventless hood for a deep fat fryer
03/1991
03/28/1991CA2011187A1 Ventless hood for a deep fat fryer
03/27/1991CN1012136B Dry method and apparatus for cleaning smoke containing combined harmful components
03/20/1991EP0418058A1 Chemical recovery scrubbing system
03/13/1991CN2072866U Cleaning pot with compressed air
03/12/1991US4999036 Filtering device for removing liquid particles from air streams of air compressors
03/06/1991CN2072432U Boiler fume absorption device
03/06/1991CN1049616A Method and equipment for purification of industrial flue gases
02/1991
02/13/1991CN2071081U Exhaust air purifier
02/13/1991CN2071079U Centrifugal rotation dust filter
01/1991
01/29/1991US4988372 Purification by filtration gases through hollow filters, aerosols
01/23/1991CN2069748U Fume-purifying device with smoke-removing and desulphurizing functions
01/16/1991EP0408533A1 Gas-liquid separation
01/10/1991WO1991000234A1 Material discharge unit
01/09/1991EP0406866A1 Oil separator integrally mounted on compressor
01/02/1991EP0405375A1 Method for reducing the de novo synthesis of dioxins and furans
01/02/1991EP0405303A1 Mist recovery apparatus with twisted strip inserted pipes
01/01/1991US4981502 Oil-air separator
12/1990
12/27/1990EP0404070A1 Mist recovery apparatus
12/26/1990CN2068006U High-efficient separating device for gas and liquid
12/19/1990EP0402972A1 Process to avoid the formation of highly condensed aromatic hydrocarbons and dioxines and apparatus for achieving this process
12/12/1990EP0402032A1 Vertically tiered particle filtering apparatus
12/12/1990CN1047666A Insulating wool production plant of reduced environmental impact
12/11/1990US4976758 Apparatus for vacuum cleaner with uninterrupted and undiminished performance
12/05/1990CN2066765U Light combined pipe type air filter
11/1990
11/30/1990CA2017706A1 Vertically tiered particle filtering apparatus
11/20/1990CA1276568C Separator for gases and liquids
11/15/1990DE4013191A1 Exhaust gas treatment for hot mixt. material plants
11/14/1990EP0397224A1 Insulating wool production plant of reduced environmental impact
11/13/1990US4969937 Vertically tiered particle filtering apparatus
11/09/1990CA2012975A1 Insulating wool production plant of reduced environmental impact
10/1990
10/31/1990EP0394622A1 Process and device for filtration
10/23/1990US4964898 Dryer separater
10/18/1990DE3912547A1 Rotating gas filter drum - prevents dusty gas escaping into clean gas space by downwardly directed diverted flow
10/16/1990US4963172 Bagger unit for a vacuum loader or the like
10/10/1990CN2063530U Cyclone-filtering combined duster
10/10/1990CN2063442U Adsorbing and electric filtering device for asphalt smoke contg. dust
10/10/1990CN2063441U Combined dust remover
10/10/1990CN1045928A Process for purification of waste gases emitted from melting furnace