| 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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| 04/27/1993 | US5205303 Liquid cleaning process and apparatus for circuit boards and the like |
| 04/22/1993 | DE4134486A1 Box for disposing of dangerous material - has arm holes fitted with sleeves and means to maintain internal vacuum |
| 04/14/1993 | EP0536871A1 Dust collection apparatus |
| 04/14/1993 | CN2129656Y 除尘机 Dust |
| 04/14/1993 | CN2129655Y Automatic control for belt transporter dust-control water spray |
| 04/13/1993 | US5201152 Containment device for contaminated building demolition |
| 04/07/1993 | CN2129380Y Cooker hood with gas curtain |
| 03/18/1993 | WO1993004791A1 Telescoping device |
| 03/18/1993 | CA2118591A1 Telescoping device |
| 03/10/1993 | EP0530305A1 Smoker's booth. |
| 03/09/1993 | US5191909 Transit mix truck dust hood assembly |
| 03/09/1993 | US5191908 Dipping type surface treatment apparatus |
| 03/04/1993 | WO1993004324A1 Method and apparatus for controlling a fume hood |
| 03/04/1993 | WO1993003867A1 Adjustable device for exhaustion and/or supply of gas |
| 03/04/1993 | CA2116323A1 Adjustable device for exhaustion and/or supply of gas |
| 03/03/1993 | EP0529163A1 Print-head and plate-cleaning assembly |
| 02/23/1993 | US5188136 Cleaning device |
| 02/20/1993 | CA2075129A1 Collection device for gaseous emissions |
| 02/17/1993 | CN2127044Y Automatic sprinkler and spraying device of cargo-transport plane |
| 02/03/1993 | EP0524983A1 Autotracking fume extraction exhaust hood. |
| 01/28/1993 | DE4131824C1 Vacuum suction unit for remote cleaning of toxic material from manipulator, robot, etc. - has manipulator connector with exchangeable collection chamber, suction element, vacuum head(s) and pressure or propellant gas system |
| 01/28/1993 | DE4124475A1 Test installation for complete motor vehicles |
| 01/26/1993 | US5181883 Smoker's booth |
| 01/26/1993 | US5181294 Support and manipulation mechanism for leaf and debris collector |
| 01/21/1993 | WO1993001455A1 Method and means for the elimination of eddies in corners of rooms with laminar air flow and use of said means |
| 01/13/1993 | EP0521959A1 Ventilation apparatus. |
| 01/07/1993 | EP0485534A4 Fluid flow apparatus and process |
| 01/05/1993 | US5176566 Variable air flow eddy control |
| 12/24/1992 | DE4120545A1 Venting system for manipulation chamber - has waste air cleaning and recirculation equipment with air jets forming vortex |
| 12/23/1992 | EP0518970A1 Method and apparatus for providing substantially constant air flow through the door opening of a fume cupboard. |
| 12/23/1992 | EP0494872A4 A ventilation system |
| 12/22/1992 | US5173094 Positive-pressure filter arrangement for hazardous gases |
| 12/15/1992 | US5170673 Method and apparatus for determining the uncovered size of an opening adapted to be covered by multiple moveable doors |
| 12/10/1992 | WO1992021918A1 Process for the low-pollution operation of an explosion device and suitable explosion device for implementing this process |
| 12/09/1992 | EP0517258A1 Fume hood |
| 12/03/1992 | DE4117800A1 Waste disposal tent for harmful materials - has surrounding screen extending down to ground with reduced pressure inside |
| 12/02/1992 | EP0395730B1 Cooking apparatus ventilation system |
| 12/01/1992 | US5167719 Method for removal of sprayed-on asbestos |
| 12/01/1992 | US5167572 Air curtain fume cabinet and method |
| 11/25/1992 | CN2122708U Dry-type two-grade dust-removing grinder |
| 11/18/1992 | CN2121993U Cigarette smoke purifier |
| 11/11/1992 | CN2121279U Spraying rotational flow waste gas purifying device |
| 11/10/1992 | US5162017 Device for connecting an exhaust suction hose to the exhaust pipe of a vehicle |
| 11/04/1992 | CN2120641U Wind chip apparatus |
| 11/04/1992 | CN2120631U Water cleam smear room |
| 11/03/1992 | US5160292 For collecting gases and airborne particulates |
| 11/03/1992 | US5159737 Dust collection apparatus |
| 10/29/1992 | DE4115602A1 Front for extractor equipment with central feeders - has auxiliary air ventilation feeding air through frame channel which is diverted to upper part of hatchway |
| 10/14/1992 | EP0507999A1 Fume exhaust device |
| 10/14/1992 | CN2118600U Portable combined fume hood |
| 10/01/1992 | DE4205035A1 Contaminated wood-surface cladding sheet - forms airflow space moving pollutant molecules, for absorption |
| 09/30/1992 | CN2117357U Automatic water spraying unit of scraper conveyer |
| 09/23/1992 | EP0504789A1 Method for removal of pieces of apparatus and devices therefor |
| 09/23/1992 | EP0504664A1 Device for the dust-free cutting of large pig-iron pieces |
| 09/23/1992 | CN2116538U Dust treating machine |
| 09/23/1992 | CN1018388B Micro computer controlling system for pulse cleaner |
| 09/22/1992 | US5148746 Print-head and plate-cleaning assembly |
| 09/21/1992 | CA2059164A1 Quick-release adapter for connecting an exhaust removal hose to a vehicle tail pipe |
| 09/15/1992 | US5147242 Negative air bag |
| 09/03/1992 | DE4108782C1 Contamination-free exchange of asbestos contg. fire protection flaps - includes sepg. ventilation segments, applying sealant around air channel installing stack and sepn. unit, placing flap in sack, vacuuming partitioned areas, etc. |
| 09/03/1992 | DE4106134A1 Laboratory fume cupboard with sash window cord tensometers - which respond to slackening with disconnection of motor and engagement of safety catch within guide rail |
| 09/02/1992 | CN2114518U High efficient strong dust remover |
| 08/26/1992 | EP0499802A2 Fumes evacuation device |
| 08/26/1992 | CN2113839U Covering collecting device for top fume screen in the blast furnce mixer |
| 08/12/1992 | EP0498072A1 Laboratory gas scrubber |
| 08/12/1992 | CN2112614U Dust-proof device for moveable material cart |
| 08/06/1992 | WO1992012849A1 Safety enclosure for foaming of resins giving off hazardous gases, in particular phenolic and urea-formaldehyde resins |
| 08/05/1992 | CN1017731B Device for automatically opening and mixing fibre bales |
| 07/29/1992 | CN2111133U Duplicator ozone and carbon powder purifying unit |
| 07/28/1992 | US5133691 Suction hood for injurious gases |
| 07/28/1992 | US5133689 Focussed ventilation procedure of a work spot and a focussed ventilation means |
| 07/28/1992 | CA1305764C Fume hood sash sensing apparatus |
| 07/22/1992 | EP0495739A1 Safety envelope for foaming resins that release dangerous gases, especially phenol- and urea-formaldehyde resins |
| 07/22/1992 | EP0494872A1 A ventilation system |
| 07/21/1992 | US5131934 Apparatus for removing hazardous particulate and fibrous materials |
| 07/19/1992 | CA2059583A1 Security covering for the foaming of resins which emit dangerous gases, in particular phenolic resins and urea formaldehydes |
| 07/14/1992 | US5129922 Method and apparatus for removing contaminated air from an enclosed dirty air space |
| 07/07/1992 | US5127875 Suction device for the exhaust gases of motor vehicles |
| 07/07/1992 | US5127411 Oral appliance for removing aerosols produced during dentistry |
| 07/01/1992 | EP0491992A1 Method for the removal of asbestos from electrical devices, especially furnaces and device for this purpose |
| 07/01/1992 | CN2108849U Fume axhauster for laser high frequency electric operation |
| 06/30/1992 | US5125939 Filter container |
| 06/24/1992 | EP0491166A1 Fume hood |
| 06/24/1992 | EP0490959A1 Method and apparatus for removing solvent vapours. |
| 06/23/1992 | CA1303967C Combined fume scrubber/hood |
| 06/11/1992 | DE4037794A1 Extn. of gaseous material from induction melting furnace and appts. - utilises annular channel in two parts, one acting as outlet for extracted gas while air flow enters in same plane via second pt. of channel |
| 06/03/1992 | CN2106033U Polishing processing dust collecting machine |
| 06/02/1992 | US5117746 Fume hood sash sensing apparatus |
| 05/27/1992 | EP0487342A1 Air curtain fume cabinet and method |
| 05/27/1992 | EP0486971A1 Fume cupboard with intake profile |
| 05/27/1992 | CN2105349U Bank note duster cover for cashier |
| 05/26/1992 | US5115728 System for controlling the differential pressure of a room having laboratory fume hoods |
| 05/20/1992 | EP0485534A1 Fluid flow apparatus and process |
| 05/20/1992 | CN2104998U Dust collector with measure |
| 05/20/1992 | CN2104716U Purification exhaust case |
| 05/19/1992 | US5114444 Filter arrangement including at least one drum-type filter |
| 05/19/1992 | US5113750 Air and liquid evacuation apparatus |
| 05/14/1992 | WO1992007542A1 Laminar flow mobile surgical compartment |
| 05/13/1992 | CN1016585B Dust-control method and apparatus thereof for movable pipe discharging |
| 05/12/1992 | US5112373 Apparatus for controlling and eliminating vapor emissions at a manicure work station |