Patents for F24F 7 - Ventilation (13,941) |
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06/10/1992 | CN2106984U Roof ventilator driven by wind or power |
06/09/1992 | US5119987 Ventilating apparatus |
06/03/1992 | EP0488883A2 Control apparatus of an electrical appliance |
06/03/1992 | CN1061648A Rotary fan type energy saving pneumatic purification method and apparatus |
06/02/1992 | CA1302145C Diverting ground-borne gases from buildings |
05/29/1992 | WO1992008879A1 Device for minimizing room temperature gradients |
05/29/1992 | WO1992008859A1 Method for producing an intermediate floor or a like wall construction with a sandwich structure and a wall construction produced by the method |
05/26/1992 | CA1301525C Thermally insulated window with ventilation ducts |
05/21/1992 | DE4036936A1 Method of ventilating large halls - involve forming architectural air channels like organ pipes to extract air downwards and from different levels |
05/13/1992 | EP0485036A1 Ventilating device |
05/12/1992 | US5112278 Extruded plastic roof ridge ventilator |
05/12/1992 | US5112277 Blowing door for ultra-clean confinement container |
05/12/1992 | US5111739 Air flow control system |
05/06/1992 | EP0483239A1 Supply air terminal device. |
05/06/1992 | CN2103761U Ventilator for making spring mattress warm in winter and cold in summer |
05/06/1992 | CN2103686U Glass fiber reinforced plastic device for exhausting wind energy |
04/29/1992 | EP0482446A1 Microprocessor controlled climate control device for a plurality of mass transit vehicles |
04/28/1992 | US5107792 Arrangement for keeping livestock |
04/15/1992 | EP0480407A1 Clean room |
04/14/1992 | US5104037 Microprocessor controlled climate control device for a plurality of mass transit vehicles |
04/07/1992 | US5101847 Method and apparatus for equalizing airflow velocity |
04/02/1992 | WO1992005326A1 Smoke vent for buildings |
03/31/1992 | CA1314753E Space ventilation and chimney drafting device |
03/31/1992 | CA1298132C Space ventilation and chimney drafting device |
03/25/1992 | CN2099934U Ventilation installation |
03/24/1992 | US5097749 Ventilation control apparatus |
03/24/1992 | US5097674 Air conditioning apparatus |
03/17/1992 | US5096477 Clean air room for a semiconductor factory |
03/17/1992 | US5095810 Roof ridge ventilation system |
03/10/1992 | US5094676 Filter/fan assembly |
03/10/1992 | US5094041 Ridge cap types roof ventilator |
03/05/1992 | WO1992003657A1 Air circulation device |
03/03/1992 | US5092520 Household dehumidifier |
03/03/1992 | US5092225 Roof ridge vent |
02/19/1992 | CN2096716U Joining apparatus for ventilating duct |
02/11/1992 | CA1295578C2 Self-contained air freshener and cartridge therefor |
02/04/1992 | US5085368 System for controlling poultry house window closures |
02/04/1992 | US5085134 For isolating smokers and tobacco smoke |
01/30/1992 | DE4023494C1 Ventilator for greenhouse roof - has hood mounted on plate and incorporates adjustable shutters |
01/28/1992 | US5083500 Radon treatment system and method |
01/22/1992 | EP0467421A2 Roof ventilator |
01/21/1992 | US5082173 Environmental controller for a sealed structure |
01/21/1992 | US5081914 Roof vent cap |
01/21/1992 | CA1294481C Clean room system |
01/16/1992 | DE4022392A1 Room-ventilation system in building - circulates air via local mixing area between inlet and outlet in roof |
01/15/1992 | EP0466669A1 Adjustable air supply device |
01/15/1992 | EP0250596B1 Clean room |
01/14/1992 | US5080007 Tilted seamless vent and method for making the same |
01/14/1992 | US5080005 Passive building vents |
01/14/1992 | US5080003 Apparatus for ventilating the interior of high speed elevator cars |
01/07/1992 | US5078764 Air purification apparatus |
01/07/1992 | US5078574 Device for minimizing room temperature gradients |
01/07/1992 | US5078047 Solar roof vent |
01/02/1992 | EP0463697A1 Ventilating hatch |
01/01/1992 | CN2092054U Air-cooling regulator |
12/31/1991 | US5077825 Space heater mounted to ceiling fan |
12/31/1991 | US5076152 Apparatus for ventilation and removal of air |
12/30/1991 | CA2020124A1 Hooded exhaust vent |
12/27/1991 | EP0462199A1 Air conditioning unit. |
12/12/1991 | WO1991019945A1 Air circulation system |
12/12/1991 | WO1991019136A1 Gravity shutter |
12/12/1991 | CA2085107A1 Air circulation system |
12/10/1991 | US5070771 Roof ventilator |
12/05/1991 | DE4026057C1 Room ventilation system - has ventilator below window with air feeder and glazing interval connected on outflow side to duct |
12/04/1991 | EP0459135A1 Floor plate for false floors in ventilated spaces, particularly in clean rooms |
11/28/1991 | WO1991018247A1 Smoker's booth |
11/28/1991 | DE4115848A1 Combination supply and return air device - comprises pair of turbines working in independent channels surmounted by ventilators |
11/28/1991 | DE4108928A1 Air distributor-ceiling suspension module heat exchanger - is composed of sinusoidal plastics stiff or semi-stiff parts joined by H-shaped elastic connectors |
11/27/1991 | EP0458725A1 Window with mechanical ventilation |
11/26/1991 | CA1292465C Heat exchanger |
11/21/1991 | EP0457289A2 Air conditioning system for multiple room buildings |
11/20/1991 | CN2089142U Fan |
11/20/1991 | CN2089141U Pressure resistance ventilating combined cage for granary |
11/19/1991 | US5065668 Air circulation system |
11/18/1991 | CA2083163A1 Smoker's booth |
11/16/1991 | CA2041768A1 Air ventilation and heat exchange apparatus |
11/13/1991 | CN1014757B Arrangement for transporting air |
11/12/1991 | US5063962 Apparatus for the controlled ventilation of rooms |
11/06/1991 | EP0454879A1 Ventilation apparatus for individual ventilation installation |
10/30/1991 | CN1014545B House respirator |
10/29/1991 | US5060901 Whole house fan |
10/29/1991 | US5060717 Air conditioner |
10/29/1991 | US5060431 Ridge roof vent |
10/23/1991 | CN2087310U Automatic electronic air exchanger |
10/17/1991 | DE4100962A1 Air conditioning agricultural buildings with false ceiling - involves heat-exchange, air humidifier and stale air remover |
10/16/1991 | CN2086875U Multipurpose air purifier |
10/09/1991 | EP0450142A2 Clean air room for a semiconductor factory |
10/08/1991 | US5055115 Air cleaner including an electrostatic precipitator |
10/08/1991 | US5054380 External booster for forced air heating air conditioning system |
10/02/1991 | CN2085928U Forced ventilator of air partition layer for natural ventilation of roof |
10/01/1991 | US5053064 Air conditioning apparatus for a clean room |
10/01/1991 | US5052286 Roof ridge ventilator |
09/25/1991 | EP0355106B1 A rotatable heat exchanger |
09/24/1991 | US5050831 Fan mounting clamp apparatus |
09/24/1991 | US5050667 Air ventilation and heat exchange apparatus |
09/24/1991 | US5050581 Process and device for drawing off vapors and fumes |
09/24/1991 | US5050489 Roof ventilator |
09/19/1991 | DE4108258A1 Room ventilating and air conditioning - divides each room into zones with repeated air supply and extraction |
09/17/1991 | CA1289224C Control system for air cleaner |
09/12/1991 | DE4007418A1 Ventilation system for room - reinforces convection current induced by room radiator |