Patents for F24F 7 - Ventilation (13,941)
04/1989
04/12/1989EP0311153A2 Ventilation device for building roofs
04/12/1989CN2035853U Purifier and filter for room air
04/06/1989DE3732792A1 Method for cooling rooms
04/06/1989DE3732545A1 Ventilation system for extracting waste air from rooms
04/04/1989US4817708 Ventilating unit for drawing and exhausting air
04/04/1989US4817506 Roof vent
04/04/1989US4817349 Apparatus for heating, ventilating, cooling and regulating the temperature of rooms of a building
03/1989
03/30/1989DE3731800A1 Device for cooling rooms
03/29/1989EP0308856A2 Process for cooling spaces
03/29/1989CN2035069U Single-refrigerant refrigerator with air-conditioning and refrigerating function
03/28/1989US4815522 For changing the temperature of air
03/28/1989US4815365 Self-ventilating greenhouse
03/14/1989US4811656 Livestock building ventilator
03/07/1989US4809593 Portable fan device for forced air heating
03/07/1989US4809592 Ventilating construction and method of making the same
02/1989
02/28/1989US4808347 Fan driven air freshener
02/21/1989CA1250179A1 Ventilation system
02/09/1989DE3724922A1 Method and arrangement for ventilating and dehumidifying a room
02/01/1989EP0301607A1 Method and apparatus for controlling the concentration of carbon dioxide in an aircraft cabin
02/01/1989EP0301606A1 Aircraft cabin ventilation system
02/01/1989CN2031893U Ventilation opening with natural heat-exchange action
01/1989
01/31/1989US4801312 Laminar air flow hazardous materials abatement method and system
01/31/1989CA1249477A1 Multimode ventilator
01/26/1989DE3823849A1 Ventilation tower for decontaminating the contaminated atmosphere
01/17/1989US4798327 Convection lock-vent
01/17/1989CA1248808A1 Air ventilation and filtration apparatus
01/17/1989CA1248807A1 Air conditioner system for building
01/12/1989WO1989000355A1 An arrangement for transporting air
01/12/1989DE3813351A1 Ventilating device, in particular for ventilating agricultural stable buildings
12/1988
12/29/1988WO1988010402A1 Ventilation equipment
12/20/1988US4791763 Panel system for a clean room
12/14/1988EP0294909A1 Ceiling for livestock sheds or the like
12/14/1988CN88205446U Smoding-removing apparatus for kitchen
12/13/1988US4790237 To be mounted on a roof
12/08/1988DE3809726A1 Arrangement on ventilators for the egress of air from buildings
12/07/1988EP0293872A1 Method and device for making visible air flows free of noxious and residual matter in super-clean working areas
12/01/1988DE3716244A1 Smoke-extraction and heat-extraction devices on a building roof
11/1988
11/29/1988US4787298 Method and apparatus to consolidate room and point exhaust with a single fan
11/29/1988US4787296 Ventilated soundproof glass
11/23/1988CN88200743U Draught fan especially for high-temp. fume-removing and fire-fighting
11/22/1988CA1245093A1 Vent cover
11/17/1988EP0291500A2 Air supply installation for airtight lockable rooms particularly for shelters
11/17/1988EP0291376A1 Actuation machanism for a fume extraction hood
11/15/1988US4784445 Heated and ventilated work station
11/15/1988US4784049 Whole house fan
11/09/1988EP0289874A1 Device for extracting and filtering air charged with dust and or dispersed fibres at spinning machines
11/08/1988US4782743 Ridge tile with ventilating aperture
10/1988
10/27/1988DE3712297A1 Process for reducing the levels of pollution from objects emitting noxious substances in indoor zones in which people spend time or work
10/27/1988DE3711720A1 Ventilator
10/26/1988EP0181910B1 Energy saving system for the heating and/or cooling of installations, particularly animal breeding installations, comprised of rooms intended to be used as living place for a plurality of living beings
10/25/1988US4779671 Cooling, heating and ventilation system
10/25/1988US4779518 Shutter apparatus
10/20/1988WO1988008112A1 A rotatable heat exchanger
10/20/1988DE3711301A1 Device for ventilation of a room
10/12/1988CN87216662U Portable smoke-exhausting ventilator for fire-fighting
10/11/1988US4776385 Air ventilation control system
10/06/1988DE3708646A1 Ventilation ceiling device for clean rooms
10/05/1988EP0284758A1 Flat roof exhaust vent
10/05/1988CN87212401U Fume extractor
10/04/1988US4775001 Zoned air conditioning system
09/1988
09/29/1988DE3808403A1 Radial fan
09/28/1988CN87211863U Low-resistance and corrosion resistant damper bend
09/27/1988US4773310 Fan ventilator having multiple modes of operation
09/27/1988US4773309 Method of reducing the level of irritants and contaminants
09/21/1988CN88200895U Wind intake type wave absorbed pipe
09/21/1988CN87210741U Smoke removing machine for kitchen
09/07/1988WO1988006702A1 A ventilation and heat recovering system for plural room buildings
09/07/1988EP0281506A2 Heating plant utilizing preheating of the combustion air
09/06/1988US4768424 Roof ventilator
09/06/1988CA1241563A1 Ventilation appliance
08/1988
08/25/1988WO1988006057A1 Air cleaning device
08/24/1988CN87216628U High efficient exhausted air fan for kitchen
08/23/1988US4765231 Smoke exhausting air conditioning system
08/16/1988CA1240654A1 Warm-air heating apparatus
08/16/1988CA1240547A1 Fresh air device for mobile home or other dwelling
08/11/1988WO1988005890A1 Economical direct fresh non returnable air for breathing and body cooling or warming
08/03/1988EP0277064A1 Ventilating device with sound insulation
08/03/1988EP0276906A1 Improvements in ventilators
08/03/1988CN87106507A Automactic air conditioner
08/02/1988USRE32722 Ventilation system with thermal energy recovery
08/02/1988US4760815 Apparatus for displacing air through a cabinet for spraying paint
08/02/1988US4760773 Ventilator closure
08/02/1988CA1239766A1 Modular combination floor support and electrical isolation system for use in building structures
07/1988
07/28/1988DE3700944A1 Device for supplying air to a building interior
07/27/1988EP0275896A2 Ventilation apparatus
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
07/27/1988EP0275691A1 Improvements in ventilators
07/26/1988US4759272 Ventilator
07/26/1988US4759198 Ventilator for refrigerator
07/21/1988DE3700558A1 Disposal lock for persons and articles which are contaminated with harmful and environmentally polluting dust
07/20/1988EP0274965A1 Manually or automatically adjustable ventilation device for a window of a building
07/20/1988EP0274813A2 Self-contained air freshener and cartridge therefor
07/12/1988US4756322 Means for restoring the initial cleanness conditions in a quartz tube used as a reaction chamber for the production of integrated circuits
07/06/1988CN87101220A Operation unit of gas-changing fan
07/05/1988US4754696 Ventilator with adjustable installation means
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
06/28/1988US4753496 Cabinet with built-in fan
06/14/1988CA1237866A1 Roof ridge ventilator for retarding microbe growth in shingle roofs
06/09/1988DE3640347A1 Countercurrent heat exchanger
06/07/1988US4748900 Ducted ventilator