| 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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| 10/19/1994 | CN1093562A Method for checking damage of bag-type duster filtering bag and apparatus thereof |
| 10/18/1994 | US5356245 Cooling and dust collecting apparatus for a machine tool |
| 10/18/1994 | US5355696 Pollution control apparatus for industrial processes and the like |
| 10/06/1994 | DE4416062A1 Extraction arrangement |
| 10/06/1994 | DE4310691A1 Extracting device (exhausting device) for band-saws |
| 10/05/1994 | CN2178568Y 纤维分离器 Fiber Separator |
| 10/05/1994 | CN2178565Y Dust catch device with low pollution |
| 09/29/1994 | DE4309960A1 Exhausting (extraction, suction) plant for particles and/or solvent-containing mists or vapours (fumes) |
| 09/27/1994 | US5349752 For a power tool |
| 09/22/1994 | DE4302960C1 Arrangement for closing a room opening |
| 09/20/1994 | US5347754 Position sensing apparatus |
| 09/08/1994 | DE4407081A1 Dust-nozzle holder construction for dust- or chip-removing, power-operated tools |
| 09/07/1994 | CN2176199Y Envelope and package sealing-off machine with dust collector |
| 09/01/1994 | DE4306168A1 Extractor device for exhaust gases |
| 09/01/1994 | DE4305445A1 Apparatus and process for the dust-free fracturing and disposal of asbestos-cement pipes or pipes consisting of a similar, brittle material |
| 08/31/1994 | EP0447480B1 Apparatus for use in and a method of removing asbestos |
| 08/31/1994 | EP0372054B1 Focussed ventilation procedure for a work spot and apparatus used in the procedure |
| 08/24/1994 | CN1091170A Grass fibre dust removing and fuel conveying technology and its device for paper mill |
| 08/18/1994 | DE4324900A1 Apparatus for cleaning tunnel kiln cars |
| 08/17/1994 | EP0610224A1 Fume hood controller |
| 08/16/1994 | US5338248 Ventilation apparatus for removing vapors |
| 08/11/1994 | DE4308224C1 Extracting (exhausting) element for chips, dust or the like |
| 08/10/1994 | EP0609238A1 Telescoping device. |
| 08/09/1994 | US5336130 Adjustable exhauster arm assembly |
| 08/09/1994 | US5336128 Nail technician's ventilator |
| 08/02/1994 | US5334089 Fume hood with adjustable baffle assembly |
| 08/02/1994 | CA2049567C Asbestos collection and containment device |
| 08/02/1994 | CA2030579C Air curtain fume cabinet and method |
| 07/27/1994 | CN2172688Y Welding smoke purifying device |
| 07/20/1994 | EP0606538A1 Suction removal of stone dust |
| 07/19/1994 | US5330234 Exhaust coupling with an adjustable airway |
| 07/13/1994 | EP0605821A1 Exhaust gases extraction hood |
| 07/06/1994 | EP0467995B1 An arrangement in fume extraction arms |
| 07/06/1994 | EP0466687B1 Suction device |
| 07/05/1994 | US5326314 Method and system of cleaning industrial air |
| 06/23/1994 | DE4313658C1 Wood-chip-extraction system from drill or milling-machine |
| 06/21/1994 | US5322533 Decontamination system for removal of hazardous substances |
| 06/21/1994 | US5322521 Method for use during surgery |
| 06/21/1994 | US5322473 Modular wall apparatus and method for its use |
| 06/21/1994 | US5322470 Ventilation apparatus |
| 06/21/1994 | US5322232 Portable paper trim removal system with trim rewinder and dust vacuum |
| 06/16/1994 | DE4342022A1 Cooler and dust exhauster for drilling machine with tool clamped in spindle - has spindle connected basic cylinder, contg. telescopically movable cylinder tool covering, with basic cylinder surrounding spindle |
| 06/15/1994 | EP0601892A2 Optical table |
| 06/15/1994 | EP0601493A1 Blower depending control device in a suction hose |
| 06/14/1994 | US5320124 Regulator adaptable for maintaining a constant partial vacuum in a remote region |
| 06/09/1994 | WO1994012291A1 Chemical vessel environmental chamber |
| 06/07/1994 | US5318473 Fume hood |
| 06/01/1994 | DE4240233A1 Suction plant for fly removal on spinning machine - has intermittent high suction rates to remove duct deposits with minimum energy consumption |
| 05/31/1994 | US5316560 Environment control apparatus |
| 05/26/1994 | DE4239514A1 Receptacle cleaning and drying appts. - esp. for paint, lacquer, adhesive, sealant and chemical and pharmaceutical product receptacles |
| 05/25/1994 | CN2166352Y Non-pollution fume & gas exhauster |
| 05/25/1994 | CN2165941Y Open continuous discharging dust-collector |
| 05/24/1994 | US5313966 Immersion cleaning device |
| 05/19/1994 | DE4238564A1 Electric power-driven tool cooled by suction of air through motor - is switched off automatically by disconnection of vacuum hose or insufficiency of vacuum in cooling-air extn. tube |
| 05/19/1994 | DE4238109A1 Method and appts. for sucking off glowing particles and gases - from welding process with recirculation of cleaned water |
| 05/19/1994 | DE4237902A1 Outlet device for flow measurement in ventilation systems - has housing with air inlet and air collection channel, calibration arrangement with tube contg. settling section |
| 05/18/1994 | EP0597264A1 Device for drawing off, in particular dust-containing gases |
| 05/18/1994 | CN2164927Y Gas curtain type fume catcher |
| 05/18/1994 | CN2164926Y Exhaust duster |
| 05/17/1994 | US5312297 Air flow control equipment in chemical laboratory buildings |
| 05/17/1994 | US5311914 Method for cutting a pattern into a piece of wood |
| 05/11/1994 | WO1994010618A1 System for controlling flow through a process region |
| 05/11/1994 | WO1994010617A1 Remote region vacuum regulator |
| 05/11/1994 | CN2164328Y Chemical experiment cupboard |
| 05/04/1994 | CN1086158A Moving-type dust collecting unit |
| 04/26/1994 | US5306861 A flexible barriers for asbestos abatement comprising sheets with a series of apertures, spaces between the apertures and the tape with adhesive surface |
| 04/21/1994 | DE4335106A1 Exhausting air and gas mixtures - involves directing jets of clean air into zone to be exhausted, and pressure drop of jets sucks laden air into combined stream that is exhausted from overhead hood with high induction efficiency |
| 04/21/1994 | DE4332857A1 Semiconductor wafer cleaning appts. associated with prod. cassette - handles wafers set upright in portable rack for mechanised transport between isopropyl alcohol cleaning and drying stations |
| 04/21/1994 | DE4234729A1 Dissection equipment with air extn. system - includes side-loaded suction slits for formaldehyde concn. redn. in dissection rooms of colleges, universities etc. |
| 04/19/1994 | US5304093 Method and apparatus for controlling a fluid flow valve |
| 04/19/1994 | US5303659 Down draft work table |
| 04/13/1994 | CN1085126A Blow-suction wind curtain duster for jaw crusher |
| 04/12/1994 | US5302151 Variable air flow eddy control |
| 04/05/1994 | US5299584 Cleaning device |
| 03/29/1994 | US5297739 Enhanced rising device with circular array of orifices |
| 03/29/1994 | US5297363 Portable surface preparation abrading unit |
| 03/22/1994 | US5295902 Biological safety cabinet |
| 03/22/1994 | US5295771 Clean room tool chamber |
| 03/22/1994 | US5295334 Sash sensor base plate assembly |
| 03/17/1994 | WO1994005470A1 Suction device for automatic cutting machine and cutting process using said device |
| 03/17/1994 | WO1994005195A1 Self-contained cleaning and retrieval apparatus |
| 03/17/1994 | WO1994005174A1 Installation for cutting sheet material |
| 03/16/1994 | EP0587384A1 Bristle bed cleaner for sheet material cutting machine |
| 03/16/1994 | EP0586783A1 Apparatus for exhausting emissions of pollutants |
| 03/16/1994 | EP0586620A1 Process for the low-pollution operation of an explosion device and suitable explosion device for implementing this process. |
| 03/08/1994 | CA1327517C Apparatus and method for the safe and effective, large scale removal and disposal of hazardous materials from building components |
| 03/03/1994 | WO1994004066A1 Mobile machine for cleaning the surfaces of objects containing materials hazardous to health |
| 02/23/1994 | EP0524983B1 Autotracking fume extraction exhaust hood |
| 02/22/1994 | US5287589 Self-contained cleaning and retrieval apparatus |
| 02/22/1994 | US5287586 Material collecting/removal apparatus |
| 02/17/1994 | DE4226681A1 Mobile Maschine zur Oberflächenreinigung von gesundheitsgefährdende Materialien enthaltenden Gegenständen Mobile machine for surface cleaning of hazardous materials containing objects |
| 02/16/1994 | EP0490959B1 Method and apparatus for removing solvent vapours |
| 02/09/1994 | EP0582483A2 Smoke evacuators for use in surgery |
| 02/03/1994 | DE4325466A1 Board sawing machine |
| 02/03/1994 | DE4225014A1 Suction unit for welding and cutting installations - comprising a suction nozzle attached to the torch or a torch holder |
| 02/01/1994 | CA2052678C Print-head and plate-cleaning assembly |
| 01/27/1994 | DE4310470C1 Surface-treatment equipment with spray nozzles - has common extraction cowl containing spray nozzles and outer ring of air nozzles and central top extraction pipe |
| 01/26/1994 | CN2154133Y Fixed blow type ventilating dustproof cover for cement packing machine |
| 01/25/1994 | US5281246 Air cleaner assembly |
| 01/25/1994 | US5280883 Installation for cutting scrap iron by oxygen cutting |