Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 7 - Ventilation
Patents for F24F 7 - Ventilation (13,941)
02/1990
02/28/1990EP0355302A2 Air outlet
02/28/1990EP0355106A1 A rotatable heat exchanger.
02/27/1990US4903445 Roof ridge ventilators
02/27/1990CA1266200A1 Air filtering and distribution for laminar flow clean room
02/20/1990CA1265950A2 Air filtering and distribution for laminar flow clean room
02/15/1990DE3824623A1 Guide apparatus
02/13/1990US4899645 Solar powered ventilator
02/07/1990EP0259339B1 Method for arranging of ventilation of building and structure for applying of the method
02/07/1990CN1006733B Operation unit of gas-changing fan
02/06/1990US4898085 Push-in flexible cover vent
02/01/1990DE3840268C1 Air blow-out device for ventilation and air-conditioning installations
01/1990
01/23/1990CA1264598A1 Ventilation device for ventilation of a room
01/11/1990WO1990000241A1 Air distribution procedure and apparatus used in the procedure
01/10/1990EP0241461B1 A ventilated floor
01/03/1990CN2050491U Warm-keeping ventilation fan
01/02/1990US4890547 Ventilator scroll arrangement
01/02/1990US4890546 Ventilation cowl
12/1989
12/28/1989WO1989012754A1 Built-in fan, in particular for sound-absorbing hoods
12/20/1989CN2049738U Multifunction semiconductor air-conditioner
12/19/1989US4887521 Method for arranging of ventilation of building and structure for applying of the method
12/19/1989CA1263952A1 Combination purging and ventilating blower
12/14/1989DE3819324A1 Device for ventilating rooms through inner and outer walls
12/13/1989CN1037820A Arrangement for keeping of livestock
12/12/1989US4886532 Apparatus for removing and filtering dirty air from equipment
11/1989
11/29/1989EP0343938A1 Space heating & ventilating systems for buildings
11/23/1989EP0342899A2 Acoustic fresh air ventilator
11/15/1989EP0341376A2 Roof ventilation pipe
11/08/1989EP0340433A2 Tunnel module for creating a clean space by the laminar flow technique
11/07/1989US4878421 Radon venting system for existing structures
10/1989
10/31/1989US4877182 Crawl space ventilation system
10/31/1989US4876950 Roof ventilator
10/25/1989EP0338960A1 Device for exhausting and trapping fumes above an oil-bath or water-bath cooker
10/25/1989EP0338580A2 Method for operating an arrangement for breeding livestock
10/19/1989DE3811938A1 Device for supplying fresh air to rooms
10/18/1989EP0337975A2 Ventilating device
10/11/1989EP0336661A2 Wipes for use in a cleanroom
10/10/1989US4872399 Convertible fan assembly
10/10/1989US4872398 Air vent throat of indoor ventilating device capable of preventing noise
10/04/1989EP0335752A2 System for manufacturing semiconductors under clean condition
10/04/1989CN2045469U High-efficiency safety purifier for asphalt smoke from hot-rolled mill
10/03/1989US4870832 Positive ventilation cooling augmentor
09/1989
09/28/1989DE3908512A1 Fan
09/28/1989DE3908511A1 Fan
09/28/1989DE3908498A1 Fan
09/28/1989DE3908493A1 Fan
09/28/1989DE3908492A1 Fan
09/28/1989DE3908484A1 Fan
09/28/1989DE3808891A1 Method for ventilating a drying room
09/28/1989DE3808890A1 Method for ventilating a room
09/27/1989CN2045081U Household air cleaner
09/26/1989US4869737 Apparatus for cleaning air in coal mines
09/20/1989EP0333562A1 Method and means for aeration and ventilation of air-injected rooms by presence of badly-distributed obstacles
09/19/1989US4867376 Air control system
09/07/1989DE3842442A1 Ventilating arrangement
09/07/1989DE3806392A1 Ventilating arrangement
09/06/1989EP0331006A2 Device for ventilating a room
09/06/1989EP0330893A2 Ventilation appliance
08/1989
08/31/1989DE3805427A1 Method for reproducing the opening states of roof-ventilation devices
08/29/1989US4860598 Air-stream sampling device
08/29/1989US4860556 Air cooling and directing apparatus
08/24/1989WO1989007738A1 Method for regulation of ventilation as well as an air-conditioning device used in the method
08/23/1989EP0329498A1 Device for moving air in a duct
08/22/1989US4858521 Radon gas home/building mitigation apparatus and method
08/17/1989DE3803695A1 Fan
08/15/1989CA1258398A1 Natural (passive) ventilation and sensible and latent heat and humidity ratio recovery unit, vdt type
08/10/1989WO1989007225A1 Replacement air valve
08/10/1989DE3802731A1 Ventilation system for a closed space
08/10/1989DE3802583A1 Ventilating apparatus for windows and/or French windows for the recuperative ventilating and venting of lounges (recreation rooms)
08/08/1989US4854374 Temperature controlling apparatus
08/01/1989US4852470 Air disperser for air conditioner/heater ducts
07/1989
07/25/1989US4850267 Wind diverter for ventilator fans
07/25/1989US4850265 Air intake apparatus
07/18/1989US4848653 Ridge vent with shape-memory actuated heat valve
07/12/1989EP0222777B1 Unit intended to restore the initial cleanness conditions in a quartz tube used as reaction chamber for fabricating integrated circuits
07/11/1989US4846399 Fan device
07/11/1989US4846261 Vacuum heat exchange apparatus for ventilation of buildings, in particularly of animal sheds
07/04/1989US4843953 Ventilated cap for the ridge of a roof
07/04/1989US4843786 Enclosure conditioned housing system
06/1989
06/20/1989US4840221 Device for ventilating rheostats and/or fluid radiators in a locomotive
06/14/1989EP0320407A1 Ventilation or lighting apparatus to be applied to the wall of a building
06/13/1989US4839106 Portable misting fan
06/13/1989US4838151 Combination window and floor fan
06/13/1989US4838150 Clean room
06/07/1989EP0319357A1 Fume extraction outlet or similar roof opening with large displacement of the closing panel
06/07/1989CN1033315A Arrangement for transporting air
06/06/1989US4835825 Machine for manufacturing a roof vent having a lead base
05/1989
05/31/1989EP0317961A2 Lower end plate of a shell forming the lower sealing of exhaust and supply air compartment
05/24/1989EP0196333B1 Clean room constructing system
05/23/1989US4831921 Spindle bearing assembly for turbine ventilator
05/17/1989EP0315943A2 False floor for extracting air out of a room
05/16/1989US4829885 Ventilation system for animal enclosures
05/16/1989US4829882 Crawl space ventilation system
05/03/1989EP0314562A1 Ventilation unit for an incubator or a hatcher
05/03/1989CN2037040U Wind driven refrigerating device
05/02/1989US4827154 Control system for air cleaner
05/02/1989CA1253385A1 Bay window with ventilator
04/1989
04/26/1989EP0313457A1 Building housing a room isolated from the exterior atmosphere
04/26/1989EP0312864A1 Blowing device
04/25/1989US4823679 Building ventilation system with air inlet flap control
04/20/1989DE3733671A1 Method for cooling rooms
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