Patents
Patents for B08B 15 - Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area (8,431)
05/1992
05/07/1992DE4032073A1 Exhaust system to remove gas from open bunkers - has one or more gas eddies covering top to allow lower removal of gas at sides
04/1992
04/30/1992DE4034243A1 Exhaust device to remove gases from fitting halls - has separate guide sections fixable by spacers according to desired path
04/29/1992EP0482679A2 Fume control in strand casting of steel
04/28/1992US5107876 Parts washer
04/25/1992CA2053131A1 Welding torch with fume-extraction hood
04/22/1992EP0481535A2 Fume control in strand casting of steel
04/16/1992DE4133757A1 Gas suction and exhaustion equipment - has protruding plate structures forming hinges between tubular arms
04/15/1992CN2101534U Working table with duster
04/09/1992DE4035778C1 Suction unit for use on manipulators or robots - has lower section with interchangeable collector container and suction element and upper section with vacuum head and pressurised gas system
04/08/1992EP0478806A1 Procedure for the disposal of asbestos in vehicles
04/08/1992CN1060114A Gas curtain technology of iron mixing furnace and smoke and dust trapping device
04/01/1992CN2100574U Cooking fume and harmful gas absorption device
04/01/1992CN2100263U Dust-removing device for distributing at top of storehouse
03/1992
03/31/1992US5099751 Control system for doors of a negative air pressure enclosure
03/17/1992US5096474 Negative pressure filtration device
03/17/1992US5096230 Quick release adapter for connecting an exhaust removal hose to a vehicle tail pipe using magnets
03/17/1992US5095925 Aseptic cleaning apparatus
03/09/1992WO1992014561A1 An arrangement in extractor cranes
03/05/1992DE4027089A1 Dust collection system e.g. for woodworking machine - has suction fan, filter and dust collection space provided by separate modules
03/04/1992CN2097694U Automatic spraying dust fall device of belt conveyer
03/03/1992US5092228 Exhaust distribution system
03/03/1992US5092227 Apparatus for controlling the ventilation of laboratory fume hoods
02/1992
02/25/1992US5090972 Particulate abatement and environmental control system
02/25/1992US5090304 Apparatus for determining the position of a moveable structure along a track
02/25/1992US5090303 Laboratory fume hood control apparatus having improved safety considerations
02/18/1992US5088511 Apparatus for protecting ceiling work area from dispersal of asbestos fibers
02/09/1992WO1992002311A1 Exhaust coupling
02/09/1992CA2089066A1 Exhaust coupling
02/04/1992USRE33810 Portable isolation enclosure for use in cleaning contaminated environments
02/04/1992US5085134 For isolating smokers and tobacco smoke
02/04/1992US5085133 Exhaust extraction system for welding site
01/1992
01/29/1992EP0467995A1 An arrangement in fume extraction arms.
01/28/1992US5083558 Mobile surgical compartment with micro filtered laminar air flow
01/22/1992EP0466687A1 Suction device.
01/22/1992EP0306484B1 Material handling apparatus and method
01/16/1992DE4021407A1 Cross-cutting machine for flat sheeting - has overhead cutter moving in two directions and located above transverse slit in suction box which holds material during cutting
01/14/1992US5080701 Portable decontamination unit for spot abatement of asbestos or similar contaminants
01/07/1992US5079404 Welding torch with fume-extraction hood
01/02/1992DE4020535A1 Thermal cutter esp. for preventing deformation of thin metal sheet - has sheet supported on struts away from solid surface with gaps for passage of gases and particles
12/1991
12/31/1991US5076819 Dynamic gas-liquid contact apparatus and method
12/24/1991US5074897 Particulate contamination control system enclosure
12/24/1991US5074198 Focussed ventilation procedure for a work spot and apparatus used in the procedure
12/24/1991CA1293408C Computer environment filter apparatus having wing with internal baffles
12/18/1991CN2090741U Movable wet-duster for stirrer
12/17/1991US5073204 Hot removal process for asbestos insulation
12/12/1991DE4018408A1 Furnace flue gas cooling by air dilution - reduces temp. below that required for toxic dioxin formation
12/05/1991DE4017844A1 Process and assembly for removal of wood dust from air - recirculates cleaned warm air
12/05/1991DE4017545A1 Exhaust gas hose connector esp. for testing - couples to vehicle exhaust system using sprung-steel adaptor with eccentric clamp
12/04/1991EP0459492A1 Inspection- and maintenance device for overhead spaces containing dangerous fibrous substances
12/04/1991EP0459307A2 Filtering device with a plurality of filtering tubes
12/04/1991EP0459249A2 A device for connecting an exhaust suction hose to the exhaust pipe of a vehicle
12/03/1991US5069115 Exhaust-gas removal duct formed from individual axially mutually adjacent sections for track-forming lanes
11/1991
11/30/1991WO1991018533A1 Fluid flow apparatus and process
11/28/1991WO1991018247A1 Smoker's booth
11/26/1991US5067504 Asbestos collection and containment device
11/21/1991EP0456641A1 Process for preventing the formation of flue gases in metallurgical processes and during the transport of molten metal from a metallurgical vessel to casting vessels and device for transporting molten metals from a metallurgical furnace to a casting vessel.
11/18/1991CA2083163A1 Smoker's booth
11/13/1991EP0456598A2 Suction device for a rotary or percussion hand drill
11/13/1991CN2088459U Filtering high speed dust removing smoke control device
11/13/1991CN2088458U Collector for metal cutting
11/12/1991US5064457 Particulate containment control system
11/12/1991US5063834 Focussed ventilation procedure and focussed ventilation means
11/06/1991EP0454724A1 An exhausting device.
11/05/1991US5062871 System for localizing a portion of a structure for treatment
10/1991
10/31/1991WO1991016152A1 Autotracking fume extraction exhaust hood
10/24/1991DE4105156A1 Removing particles adhering to structures - involves processing tool and suction device combined in common housing
10/18/1991WO1990011845A1 An arrangement in fume extraction arms
10/17/1991WO1991015311A1 Ventilation apparatus
10/17/1991CA2014734A1 Autotracking fume extraction exhaust hood
10/15/1991US5056422 Fume hood apparatus
10/10/1991DE4011234A1 Removal of asbestos dust from areas of buildings - involves enclosing affected area by air tight panels and removing dust with vacuum cleaner
10/02/1991DE4110970A1 Asbestos clearing projection cabin - has wall of film material with bar reinforcement and open front surface with edge sealing against building wall
10/02/1991CN2085685U Explosion-proof grain dust remover
10/01/1991US5052411 Vacuum barrier attachment for medical equipment
09/1991
09/25/1991CN2085259U Sealed air circulating type dust remover
09/24/1991US5050943 Biological safety cabinet with window counterbalance
09/19/1991WO1991013700A1 Method and apparatus for providing substantially constant air flow through the door opening of a fume cupboard
09/18/1991EP0446265A1 Apparatus for use in and a method of removing asbestos.
09/12/1991DE4007740A1 Decontamination facility for personnel - has modular assembly of cabins with programmed operation of doors for cleaning cycle
09/12/1991DE4007147A1 Welding pistol - has a suction opening connected to two separators for a long life and easy cleaning
09/12/1991DE3926442A1 Magnifying glass illumination system - uses lamps contained in annular channel in underside of housing enclosing magnifying lens
09/10/1991US5047089 Housing with means to make longitudinal incisions, spraying and washing scraped surface; pollution control
09/10/1991CA1288665C Material handling apparatus
09/04/1991CN2083969U Cleaning and cooling device for chimney
09/04/1991CN2083968U Temp controlled cyclone bubble type dusting and cleaning equipment
08/1991
08/28/1991EP0443314A2 Waste sorting installation
08/28/1991EP0443207A2 Monomer exhaust system
08/28/1991CN2083716U Smoy filter for kitchen exhaust fan
08/15/1991CA2010102A1 Process for stabilizing mine tailings
08/13/1991US5039316 Glove bag adaptor control
08/07/1991EP0440090A1 Suction hood for injurious gases
08/06/1991US5036754 Autotracking fume extraction exhaust hood
08/01/1991WO1991011271A1 Device and method for ventilation
08/01/1991CA2050474A1 Device and method for ventilation
08/01/1991CA2035387A1 Suction hood for injurious gases
07/1991
07/31/1991CN2081717U Combined laser fume remover
07/25/1991WO1991010515A1 Process and tent- or sack-shaped body for removing toxic materials
07/23/1991US5033238 Dental technician's work station
07/17/1991CN1053023A 清洗装置 Cleaning device
07/16/1991US5031516 Negative air control unit and closure
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