Patents for F24F 9 - Use of air currents for screening, e.g. air curtain (1,142)
11/1992
11/26/1992DE4126924C1 Revolving doors for building - has ventilation duct at entry end of building door passage
11/04/1992EP0511576A2 Fluid suction nozzle and fluid-treating apparatus
10/1992
10/28/1992EP0510637A2 A method of and an equipment for providing ventilation in a processing space
09/1992
09/22/1992US5149299 Room-air interceptor device
09/08/1992US5145459 Process and apparatus for the dynamic separation of two zones
06/1992
06/16/1992CA1303604C Independent heat exchange unit between primary and secondary fluids, namely air for room ventilating and air conditionning
05/1992
05/27/1992EP0487342A1 Air curtain fume cabinet and method
05/19/1992US5113749 Air curtain producing an outward ramping effect for use with an access way or enclosure
05/14/1992WO1992007523A1 Dental protective air barrier light apparatus and method
03/1992
03/17/1992US5096467 Forming air curtain; pipes with prots that jet-like air streams exit
02/1992
02/11/1992CA1295483C Clean room system and unit for the same clean room system
01/1992
01/29/1992EP0323961B1 An improved fluid barrier curtain system
01/01/1992CN2092056U Hot air curtain
01/01/1992CN2092055U Hot-air curtain implement
12/1991
12/17/1991US5072658 Installation of air curtains
09/1991
09/18/1991EP0447314A1 Process and device for dynamic separation of two areas
08/1991
08/08/1991WO1991011272A1 False-ceiling construction and method for the flow of air in connection with a false-ceiling construction
08/06/1991US5036906 Independent unit for heat exchange between a primary fluid and a secondary fluid, particularly air for ventilation and air conditioning of a room
07/1991
07/24/1991CN2081505U 空气幕机 Air Curtain
05/1991
05/30/1991WO1991008430A1 Air treatment plant and method for a flow reduction therein
04/1991
04/18/1991WO1991005210A1 Method and device for maintaining a clean atmosphere at controlled temperature at a workstation
04/16/1991CA1283012C Infant incubator with air curtain
03/1991
03/27/1991EP0418236A1 A device in hot-air units
03/21/1991DE3940277C1 Sound damping structure - has silencer body with acoustic lining and contg. profiled and absorber
03/19/1991CA1281584C Wide laminar fluid doors
02/1991
02/28/1991DE3927673A1 Device for preparing clean room - involves separating clean room from others by time lock corridor
02/20/1991EP0413406A2 A method for forming a zone surrounded by an air-stream
02/05/1991US4989501 Method and apparatus for generating an air curtain with heated air
12/1990
12/25/1990US4979432 Air diffuser with rotatably adjustable louvres, especially for an air curtain generator
12/01/1990WO1990015294A1 Air treatment plant and method for balancing pressure differences in such a plant
11/1990
11/06/1990US4967645 Air shower with directed air flow
10/1990
10/30/1990US4967320 Dental protective air barrier light apparatus and method
10/03/1990EP0390678A1 Gutter for the evacuation of pieces, equipped with an aeriform barrier and its fitting to an irradiated fuel assembly reprocessing facility
06/1990
06/26/1990US4936824 Infant incubator with air curtain
06/05/1990US4930705 Air flow apparatus
05/1990
05/23/1990CN2057499U Cold and hot wind curtain of crossflow fan
04/1990
04/11/1990EP0362958A1 Air curtain device
04/10/1990US4915622 Fluid barrier curtain system
02/1990
02/20/1990US4901764 Dynamic confinement and contactless docking
11/1989
11/15/1989CN2047761U Corrosion protection air-conditioning element
09/1989
09/07/1989DE3806234A1 Sliding-door arrangement with hot-air curtain device
08/1989
08/15/1989US4856419 Process for collecting a contaminated substance and apparatus thereof
06/1989
06/14/1989EP0319948A2 Wide laminar fluid doors
06/07/1989EP0319145A2 Horizontal laminar air flow work station
04/1989
04/26/1989EP0313455A1 Space protected against exterior pollution
04/25/1989US4823680 Protecting space from the incursion of external fluidsT?????h)??????????0*0*0
03/1989
03/29/1989CN2035063U Air curtain-type smoke-choking and heat-insulating device
03/28/1989CA1251682A1 Air curtain
02/1989
02/23/1989WO1989001592A1 A device in hot-air units
01/1989
01/11/1989EP0298276A2 Device for ventilating of rooms by a window counter-air current
12/1988
12/29/1988DE3719168A1 Cross-current air-curtain installation
12/22/1988DE3718648A1 Blowing-out device for air heater
11/1988
11/17/1988EP0291280A1 Infant incubator with air curtain
07/1988
07/27/1988EP0275758A1 Independent unit for heat exchange between a primary and a secondary fluid, particularly of the air for the ventilation and conditioning of a room
06/1988
06/30/1988WO1988004757A1 Independent unit for heat exchange between a primary fluid and a secondary fluid, particularly air for ventilation and air conditioning of a room
05/1988
05/10/1988US4742764 Method and apparatus for insulating selected areas from the surrounding atmosphere with clean-room air
04/1988
04/26/1988US4739712 Air curtain apparatus for pit burning
04/19/1988CA1235327A1 Air drape
03/1988
03/10/1988WO1988001715A1 An improved fluid barrier curtain system
11/1987
11/11/1987EP0245110A2 Apparatus for generating an artificial tornado
10/1987
10/07/1987CN86210158U Multi-purpose household radiator stove
09/1987
09/29/1987US4696226 Fluid barrier curtain system
08/1987
08/12/1987EP0231963A2 Method of and apparatus for creating an air screen or an air curtain in front of and/or in an entrance of a building
06/1987
06/03/1987EP0224034A1 Method and arrangement for preventing floating particles from descending, and a heat treatment station in a continuous inner liner installation
04/1987
04/29/1987CN86107427A Method and apparatus for preventing suspended particle from falling and heating equipment in an apparatus for continually applying inside film
04/23/1987DE3633132A1 Apparatus for supplying extremely clean air
03/1987
03/03/1987CA1218556A1 Ventilation system for building
02/1987
02/17/1987US4643167 Oven ventilation system
02/17/1987CA1217939A1 Ladle station seal
01/1987
01/08/1987DE3523937A1 Door air-curtain installation
08/1986
08/19/1986US4606259 Air curtain
07/1986
07/09/1986EP0186730A2 Method for generating a clean air stream, and apparatus for creating a clean space
06/1986
06/11/1986EP0183709A1 Portable clean air space system
05/1986
05/27/1986US4590847 Supply make-up air attachment for exhaust booths
03/1986
03/18/1986US4576613 Process for confining the pollution in an area
02/1986
02/25/1986US4572282 Ventilation system for building
09/1985
09/26/1985WO1985004240A1 Portable clean air space system
09/25/1985EP0155924A2 Air curtaining unit
09/10/1985US4539896 Air heating and filtering apparatus
08/1985
08/27/1985US4537116 Air drape
08/13/1985US4534277 Geometric air projection and containment
08/06/1985CA1191358A1 Refrigerated showcase
05/1985
05/14/1985US4516482 Conditioned air vestibule for refrigerated warehouse doorway
05/02/1985EP0139128A2 Clean bench
12/1984
12/25/1984US4489645 Clean room chamber
11/1984
11/27/1984US4484563 Air ventilation and pollution cleaning system
11/20/1984US4483316 For cooking equipment
09/1984
09/18/1984US4471688 Apparatus for conditioning and protecting a zone from a space
08/1984
08/21/1984US4466254 Refrigerated showcase
07/1984
07/03/1984US4457706 Ladle station seal
05/1984
05/29/1984US4450756 Fume exhauster device
05/29/1984US4450755 Air blower arrangement for producing air screen and related method
02/1984
02/01/1984EP0099818A1 Method of confining the pollution of an area by making use of an air curtain
01/1984
01/24/1984US4427427 Providing clean air work areas
01/10/1984CA1160095A1 Fume exhauster device
01/03/1984US4423669 Air curtaining apparatus
12/1983
12/27/1983US4422369 Method and apparatus for sterilizing a gas, and device for conditioning and protecting a zone from a space
10/1983
10/25/1983CA1155668A1 Refrigerator
07/1983
07/26/1983CA1150499A1 Industrial oven having air recirculating means for minimizing heat loss
04/1983
04/12/1983US4379391 Refrigerator
1 2 3 4 5 6 7 8 9 10 11 12