| 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) |
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| 01/25/1994 | US5280856 Debris shield apparatus |
| 01/25/1994 | CA2101201A1 Enclosure device |
| 01/23/1994 | CA2074396A1 Portable paper trim removal system with trim rewinder and dust vacuum |
| 01/20/1994 | WO1994001230A1 Device at exhaust-gas extraction hoses |
| 01/20/1994 | WO1994001201A1 Pollution control apparatus for industrial processes and the like |
| 01/20/1994 | DE4223480A1 Disposal system for dust or powdery residue when milling graphite material - has case with base and side walls also rear and front walls and is provided with first divided bellows covering top of case over which transverse guide is mounted |
| 01/20/1994 | CA2139953A1 Device at exhaust-gas extraction hoses |
| 01/19/1994 | EP0579090A1 Retaining and releasing device for exhaust-gas extraction nozzle |
| 01/18/1994 | US5279599 Used in surgery to reduce air born particles carrying infection |
| 01/14/1994 | CA2099889A1 Retaining and releasing device for exhaust-gas extraction nozzle |
| 01/13/1994 | DE4222873A1 Dirty bottom surface cleaner with front dirt reception aperture - has dirt collector with top open guide fin extension for admission of collected dirt |
| 01/13/1994 | DE4222173A1 Chemical laboratory bench - encloses work surfaces with cavity walls linked to filter and blower enhancing safety levels for people working with dangerous substances |
| 01/12/1994 | EP0578030A2 Device for surface treatment of webs |
| 01/12/1994 | CN2152616Y Movable dirt collecting machine for industry |
| 01/11/1994 | US5277653 Gas flow means for improving efficiency of exhaust hoods |
| 01/11/1994 | US5276938 Freon recovery workstation |
| 01/06/1994 | WO1994000375A1 Loading and unloading installation for bulk goods |
| 01/06/1994 | WO1994000274A1 A method of and apparatus for removing debris from the floptical medium |
| 01/05/1994 | EP0577440A1 Flame-cutting machine |
| 01/05/1994 | CN2151818Y Combined device for locking ash, removing ash and transporting ash for dust remover |
| 12/29/1993 | EP0575681A1 Exhaust hood with extendable inlet tube and a filtering inlet |
| 12/28/1993 | US5273060 Alcohol spray cleaning system |
| 12/22/1993 | EP0574850A1 Removal of scrap material |
| 12/21/1993 | US5271668 Material containment enclosure |
| 12/21/1993 | US5271123 Apparatus for cleaning porcelain articles, for example, the heads of dolls |
| 12/15/1993 | CN2149116Y Helmet face-cover with electric dust filter |
| 12/08/1993 | EP0426688B1 Focussed ventilation procedure and focussed ventilation means |
| 12/07/1993 | US5267581 Pollution abating vapor trap and condenser apparatus |
| 12/07/1993 | US5267382 Scaling needle gun shroud |
| 11/30/1993 | US5265304 Portable cleaning apparatus |
| 11/30/1993 | CA1324772C Integrated dust containment system for rotary crusher/breakers and the like |
| 11/23/1993 | US5264026 Centralized laser plume evacuation system through articulating arms |
| 11/18/1993 | DE4215634A1 Welding head suction device - has independently movable suction cable, acting also as holding grip |
| 11/16/1993 | US5262578 Safety systems for encapsulation of chemical containers to prevent leaks |
| 11/02/1993 | US5257957 Facility for providing a sealed work area to handle, manipulate and formulate materials |
| 10/27/1993 | EP0567442A1 Adjustable local extraction device |
| 10/26/1993 | US5255710 Process-chamber flow control system |
| 10/26/1993 | US5255709 Flow regulator adaptable for use with process-chamber air filter |
| 10/21/1993 | DE4212164A1 Board mfr. for heat and pressing - by vapour and gas extn. and air washing in plant attached |
| 10/20/1993 | CN2144032Y Wind curtain dust-collecting fan |
| 10/14/1993 | DE4212109A1 Equipment for extracting contaminated material from brickwork joints - comprises transparent housing with sealing lip round opening and containing glove supports and suction hose |
| 10/12/1993 | US5251654 Flow regulator adaptable for use with exhaust from a process chamber |
| 10/07/1993 | DE4306949A1 Support for cutting plate-like work-pieces - with individual chambers requiring less suction power during one longitudinal cut |
| 09/30/1993 | DE4214908C1 Suction hose connection for automobile exhaust pipe - has double-walled rubber sleeve inflated to seal around outside of exhaust pipe dependent on detected exhaust pipe position |
| 09/22/1993 | EP0561742A1 Panel saw with suction removal duct |
| 09/21/1993 | US5246485 Method and apparatus for preventing fume production when transporting molten metal from a metallurgical vessel to casting vessels |
| 09/21/1993 | US5245763 Method and apparatus for removing solvent vapors |
| 09/16/1993 | WO1993017801A1 Mobile filter apparatus |
| 09/14/1993 | US5244433 Detachable ventilation system for embalming or autopsy table |
| 09/08/1993 | CN2141740Y Scrap and dust suction machine |
| 09/07/1993 | US5242474 Dual mode laser smoke evacuation system with sequential filter monitor and vacuum compensation |
| 09/07/1993 | US5241788 Cable sash interlock |
| 09/02/1993 | WO1993016818A1 Method and apparatus for drilling into fibrous materials, whereby dust is extracted and the surface of the bore is sealed |
| 09/02/1993 | WO1993016741A1 Evacuator assembly |
| 09/01/1993 | EP0558253A1 Improvements in dust collection |
| 09/01/1993 | CN2141335Y Table type air exhauster |
| 08/31/1993 | US5240508 Method of removing asbestos by inserting a hollow needle having a closed pointed end |
| 08/31/1993 | US5240455 Method and apparatus for controlling a fume hood |
| 08/31/1993 | US5239727 Central vacuum system |
| 08/26/1993 | DE4205261A1 Decontaminating installations contg. asbestos and material which is not hazardous - also involves conversion of asbestos into unharmful and reusable material, with sluice installed in dismantling room |
| 08/25/1993 | CN2140796Y Oil-soot-collecting hood |
| 08/25/1993 | CN2140795Y Wet-type dust collector |
| 08/24/1993 | US5238468 Collection device for gaseous emissions |
| 08/24/1993 | US5237896 Dust evacuation and tool interlock |
| 08/05/1993 | WO1993014889A1 Fume cupboard extraction system |
| 08/04/1993 | EP0553512A1 Fume hood |
| 07/28/1993 | CN2139027Y Automatic water-spraying device |
| 07/14/1993 | CN2137993Y Smoke absorbing pipe for fire-extinguishing |
| 06/29/1993 | US5222906 Exhausting device |
| 06/24/1993 | WO1993011884A1 Spot suction device |
| 06/23/1993 | EP0530305A4 Smoker's booth |
| 06/22/1993 | US5220940 Flow control valve with venturi |
| 06/22/1993 | US5220910 Device and method for ventilation |
| 06/17/1993 | DE4140673A1 Cleaning plant for motor vehicle bodies - has protective hood with air nozzles and suction unit, enclosing vehicle during cleaning |
| 06/17/1993 | DE4140655A1 Partition screen - uses decomposable paper materials, to enclose asbestos clearance site |
| 06/15/1993 | US5219585 Monomer exhaust system |
| 06/09/1993 | DE4140164A1 Attachment system for exhaust gas sampling funnel - has locking lever engaging inside exhaust pipe, lever having locking body and roller movable along control surfaces which operated in and out of locked position |
| 06/09/1993 | CN2135585Y Dust removing device for weft knitting machine |
| 06/08/1993 | US5216782 For a fume hood |
| 06/02/1993 | CN1072612A Ozone eliminator |
| 06/01/1993 | US5215539 Vacuum strip apparatus for surgery |
| 06/01/1993 | US5215497 Fume hood controller |
| 05/27/1993 | DE4138168A1 Cyclone separator for industrial dust extraction unit - has cylindrical housing with coaxial baffle insert dividing inlet airflow into two streams |
| 05/26/1993 | EP0542738A1 Exhaust coupling |
| 05/26/1993 | EP0456641B1 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 |
| 05/26/1993 | CN1072485A Improved machinery cover |
| 05/19/1993 | EP0541865A1 Apparatus for determining the position of a moveable structure along a track |
| 05/19/1993 | EP0541864A1 A method and apparatus for determining the uncovered size of an opening adapted to be covered by multiple moveable doors |
| 05/19/1993 | EP0541863A1 Laboratory fume hood control apparatus having improved safety considerations |
| 05/19/1993 | EP0541862A1 Apparatus for controlling the ventilation of laboratory fume hoods |
| 05/19/1993 | CN2133372Y Explosion protection device of dust collecting system |
| 05/18/1993 | US5211752 Fluid containment device |
| 05/18/1993 | US5211602 Arrangement in fume extraction arms |
| 05/13/1993 | WO1993008934A1 Smoker's booth, modular wall, and furniture ventilation |
| 05/12/1993 | EP0541010A1 Fumes aspirator |
| 05/11/1993 | US5209766 Laboratory gas scrubber |
| 04/28/1993 | EP0538258A1 Device and method for ventilation |
| 04/28/1993 | CN2130609Y Small self-suction dusting polisher |
| 04/27/1993 | US5205783 Air flow control equipment in chemical laboratory buildings |
| 04/27/1993 | US5205624 Material isolation enclosure |