Patents for F24F 7 - Ventilation (13,941)
10/1983
10/05/1983EP0090415A1 Pressure-waves protecting flaps
10/04/1983US4407266 Method of and apparatus for exhaust control and supplying tempered makeup air for a grease extraction ventilator
09/1983
09/27/1983US4406216 Ventilator device and mounting arrangement therefor
09/20/1983CA1153861A1 Filtered roof ridge ventilator
09/14/1983EP0088567A1 Combined lighting and ventilation device
09/13/1983US4403732 Energy saving heat recycling system
08/1983
08/16/1983CA1151936A1 Air flow floor panel
08/10/1983EP0085428A1 Method and apparatus for the ventilation of rooms
08/10/1983EP0085375A1 Valve, in particular an exhaust valve
08/10/1983EP0085173A1 Ventilation device
08/09/1983US4397121 Method and apparatus for reducing the rate of heat transfer
07/1983
07/06/1983EP0082844A1 Combined fan and valve.
07/05/1983US4391321 Heat exchanger in plants for ventilating rooms or buildings
06/1983
06/22/1983EP0081867A1 Method of circulating air in rooms
06/14/1983US4387629 Device for extracting air from the interior of a structure
06/07/1983US4386733 Air conditioning system
06/07/1983US4386488 Vent apparatus for insulated roof structures
05/1983
05/31/1983US4385552 Exhaust fan and anti-backdraft shutter assembly
05/31/1983US4385550 Whole house fan
05/24/1983US4384673 Heating and cooling system for service module
05/11/1983EP0078783A1 Means for recovering heat from a room space, and for ventilation
04/1983
04/28/1983WO1983001500A1 Ventilation method and apparatus
04/19/1983US4380187 Method and system for providing life-sustaining air to persons entrapped within a burning building
04/06/1983EP0020559B1 Method and arrangement for air condition control in buildings
04/05/1983US4378983 Housing for mounting HEPA filters
04/05/1983US4378727 Data station with wire and air duct
04/05/1983CA1144245A1 Voltage offset circuit for low voltage amplifier
04/05/1983CA1144086A1 Housing for mounting hepa filters
03/1983
03/30/1983EP0075468A1 Ventilating apparatus for buildings
03/09/1983EP0073273A1 Ventilator with a box-shaped casing and having slidable damper blades
03/08/1983CA1142600A1 Combination microwave oven and exhaust vent and installation mounting method therefor
02/1983
02/23/1983EP0072663A1 Multi-purpose fan
02/22/1983US4374534 Turbine ventilator cover
02/08/1983US4372197 Cold weather inlet for ventilating systems
02/08/1983US4372196 Insulating and draft preventing automatic shutter for attic and other exhaust type fans
02/03/1983WO1983000377A1 Method of and apparatus for tempering makeup air
02/01/1983US4371031 Arrangement for air conditioning control in buildings
02/01/1983US4370876 Methods of constructing a one-piece roof vent device
01/1983
01/25/1983US4370155 Air circulating device
01/18/1983CA1139602A1 Roof ventilating louver
01/05/1983EP0068969A1 Smoke evacuation device, especially for industrial or open buildings
01/05/1983EP0068917A2 Method of controlling the ventilation of a room and device for carrying out said method
01/04/1983CA1138702A1 Device for airing out living quarters and improving chimney draft
12/1982
12/22/1982EP0067577A1 Modular room construction
12/15/1982EP0066838A2 Extractor ventilator for industrial buildings
12/14/1982US4363642 Control of range hood emissions
12/14/1982CA1137350A1 Air circulator
12/07/1982US4362922 Air make-up unit
12/07/1982US4362090 Air circulating device and method
11/1982
11/16/1982US4358934 Atmospheric air intake apparatus for coolers
11/02/1982CA1134666A1 Air circulating device for mixing room air
10/1982
10/20/1982EP0062719A1 Method and apparatus for control of gas-borne particulates
10/19/1982US4354863 False ceiling
10/12/1982US4353411 Architectural support and service assembly
10/12/1982CA1133400A1 Gas scrubber
10/12/1982CA1133313A1 Air distribution system
10/05/1982CA1133071A1 Ventilation system for combination microwave oven and exhaust vent
09/1982
09/22/1982EP0060539A1 Ventilating device with two ventilators running counter-currently
09/16/1982WO1982003114A1 Air conditionned room and method for using same
09/15/1982EP0059830A1 Apparatus for controlling the temperature in the rooms of a building
09/07/1982US4347782 Telescopable winter/summer air recirculator
08/1982
08/31/1982CA1130628A1 Apparatus for guiding and conveying ventilation air
08/24/1982US4345874 Exhaust fan with protective band
08/11/1982EP0048724A4 Aggregate mass air circulation and structural support system for generally enclosed structures.
08/11/1982EP0038340A4 A housing for mounting hepa filters.
08/10/1982US4344112 Environmental lamp
08/05/1982WO1982002568A1 Combined fan and valve
08/03/1982US4342258 Ventilator
07/1982
07/27/1982US4341151 Electric fan
07/14/1982EP0055730A1 Air recycling device
07/13/1982US4338996 Combined rolling shutter and ventilating box
07/07/1982EP0055665A1 Process for avoiding heat damage to the motor of an emergency smoke extractor ventilator, and apparatus for the realization of that process
06/1982
06/29/1982US4336748 Fluid exchanger
06/29/1982CA1126567A1 Natural ventilator
06/22/1982US4335646 Vehicle air conditioner blower and mount
06/15/1982US4334461 Portable window dryer vent
06/08/1982US4333520 Heating and cooling ventilating system with heat recovery
06/01/1982CA1124545A1 Biohazard containment apparatus and method
05/1982
05/18/1982US4330047 Sound-attenuating ventilation
05/05/1982EP0051005A1 Axial-flow ventilator with protected rotor blades
05/05/1982EP0050816A1 Stable ventilation
04/1982
04/28/1982EP0050488A2 Improvements relating to ventilators
04/27/1982US4326453 Air transfer device
04/20/1982US4325290 Filtered roof ridge ventilator
04/13/1982US4324359 Heat reclaiming system
04/07/1982EP0048724A1 Aggregate mass air circulation and structural support system for generally enclosed structures
03/1982
03/24/1982EP0048016A2 Ventilating and heating system
03/24/1982EP0047880A1 Sliding shutter ventilation device
03/16/1982US4319521 Air distribution system
03/16/1982US4319520 Air flow floor panel
03/02/1982US4317443 Solar house
02/1982
02/16/1982US4315455 Adjustable soffit vent
02/10/1982EP0045615A1 Vehicle or building ventilating system driven by moving air
02/04/1982WO1982000337A1 Air regulation installation for a front wall element allowing energy savings
02/04/1982WO1982000336A1 Ventilator
01/1982
01/27/1982EP0044560A2 Ventilation system for forced circulation ventilation of a space
01/26/1982US4313043 Combination microwave oven and exhaust vent and installation mounting method therefor
01/26/1982US4312474 Positive shutoff
01/21/1982WO1982000190A1 Air recycling device
01/20/1982EP0043964A2 Method of heating living rooms, as well as apparatus for heated air for carrying out the method