| Patents for F24F 7 - Ventilation (13,941) |
|---|
| 11/07/1990 | EP0395748A1 Built-in fan, in particular for sound-absorbing hoods. |
| 11/06/1990 | US4967726 Space heating and ventilation systems for buildings |
| 11/06/1990 | CA1275848C Ventilator scroll arrangement |
| 10/25/1990 | DE3913076A1 Baking room arrangement and system for ventilation - in which air is withdrawn from extract hood above baking oven, while vertical flow or fresh air is in dough prepn. |
| 10/23/1990 | US4964566 Forced air ventilating device |
| 10/17/1990 | EP0392713A1 An improved ventilation system |
| 10/17/1990 | CN1046217A Wall type intercepted ventilation |
| 10/16/1990 | US4962882 Ventilator |
| 10/16/1990 | US4962692 Roof ridge vent |
| 10/09/1990 | CA1275133A1 Rotary vane nozzle |
| 10/04/1990 | WO1990011476A1 Method and arrangement for controlling the temperature in buildings |
| 10/03/1990 | EP0389605A1 Ventilation method |
| 09/27/1990 | DE3909296A1 Ventilating arrangement for building roofs |
| 09/27/1990 | DE3909294A1 Ventilating arrangement for installation in a building opening |
| 09/25/1990 | USRE33347 Air-driven ceiling fan |
| 09/20/1990 | WO1990010829A1 Unit heater with vertical axis of the type providing a cyclone effect air distribution |
| 09/20/1990 | WO1990010828A1 Air conditioning unit |
| 09/20/1990 | DE3908329A1 Production apparatus in clean-room technology |
| 09/18/1990 | US4957520 Apparatus for the removal of vapors and vapor products |
| 09/18/1990 | US4957066 Fan assembly for an egg incubator enclosure or a hatching enclosure |
| 09/18/1990 | US4957037 Roof ridge ventilator |
| 09/18/1990 | CA1274111A1 Zoned air conditioning system |
| 09/12/1990 | EP0386480A2 Wall box for ventilation |
| 09/11/1990 | US4955287 Self-ventilated greenhouse |
| 09/11/1990 | US4955285 System for covering the energy requirement of a room |
| 09/11/1990 | US4955167 Roof vent pipe |
| 09/04/1990 | US4954049 Air circulation device |
| 09/04/1990 | US4953784 Ventilator drive system |
| 09/04/1990 | US4953450 Crawl space ventilator system |
| 09/04/1990 | CA1273524A1 Ventilation control system |
| 08/28/1990 | US4951480 Evaporative cooling device and process |
| 08/22/1990 | EP0382965A2 Air purification apparatus |
| 08/21/1990 | US4950871 Arrangement for heating rooms uniformly trough the equalization of the temperature distribution between the ceiling and the floor regions |
| 08/21/1990 | US4949626 Protective system |
| 08/15/1990 | CN1044706A 房屋呼吸器 Housing respirator |
| 08/14/1990 | US4947596 Closure for roof vent |
| 08/07/1990 | US4945821 Ventilated greenhouse |
| 08/07/1990 | US4945820 Air circulating device |
| 08/01/1990 | EP0379552A1 Air distribution procedure and apparatus used in the procedure. |
| 08/01/1990 | CN1044331A Automatic adjusting method by even air suction in pipe-line |
| 07/31/1990 | US4944216 Building emergency exhaust fan system |
| 07/26/1990 | DE3901544A1 Device for aeration and deaeration |
| 07/26/1990 | DE3901543A1 Device for aeration and deaeration |
| 07/25/1990 | EP0379188A2 Device for aeration and deaeration |
| 07/25/1990 | CN1008938B Ventilator for refrigerator |
| 07/24/1990 | US4942805 Ventilated panel |
| 07/18/1990 | EP0377952A2 Improved apparatus for cleaning air in coal mines |
| 07/17/1990 | US4941400 Ventless hood for a deep fat fryer |
| 07/17/1990 | CA1271661A1 Roof ridge ventilator system |
| 07/12/1990 | DE4003427A1 Fresh air booster for building into window wall - has shutters and flaps to supply filtered fresh air into rooms where air pressure has dropped |
| 07/12/1990 | CA2003072A1 Improved apparatus for cleaning air in coal mines |
| 07/10/1990 | US4939986 Exhaust ventilator |
| 07/03/1990 | US4938124 Substructure radon gas evacuation system |
| 07/03/1990 | US4938123 Wind directing assembly for a boat hatch or like structure |
| 06/27/1990 | EP0374527A2 Air distribution system |
| 06/26/1990 | US4936198 System for decontaminating a polluted-air region |
| 06/21/1990 | DE3842810A1 Aerating and de-aerating devices for removing contaminants on lower space surfaces |
| 06/13/1990 | EP0372874A1 Roof ventilator |
| 06/13/1990 | EP0372784A2 Apparatus for providing a clean air zone |
| 06/13/1990 | EP0372597A1 Ventilating roof window |
| 06/13/1990 | CN1008397B Multi-purpose flexible clean room system |
| 06/12/1990 | US4932988 Air purification apparatus |
| 05/31/1990 | WO1990005880A1 Ventilation apparatus |
| 05/30/1990 | EP0370044A1 An arrangement for transporting air. |
| 05/30/1990 | CN2057728U Anti-strong windstorm roofing blast, exhauster |
| 05/22/1990 | USRE33220 Modular combination floor support and electrical isolation system for use in building structures |
| 05/17/1990 | WO1990005232A1 Door-jamb |
| 05/16/1990 | CN2057271U Multfunction air conditioner |
| 05/16/1990 | CN2057270U Ionic ventilator |
| 05/15/1990 | US4924760 Roof vent damper |
| 05/10/1990 | DE3837369A1 Ventilating arrangement for a building |
| 05/09/1990 | CN2056981U Combined ventilating cabinet |
| 05/08/1990 | US4923352 System for manufacturing semiconductor under clean condition |
| 05/08/1990 | US4922808 Radon and other gas ventilator |
| 05/08/1990 | US4922806 Doors for negative air pressure enclosure |
| 05/08/1990 | CA1268756A1 Valve assembly for air treatment apparatus |
| 05/03/1990 | WO1990004744A1 A method and an apparatus for ventilation of working plants |
| 05/02/1990 | EP0365586A1 Ventilation equipment and method. |
| 04/25/1990 | EP0364680A1 Roof covering tile |
| 04/24/1990 | US4918934 Method for dissipating thermal loads of a room |
| 04/24/1990 | CA1268168A1 Air-to-air heat exchanger |
| 04/24/1990 | CA1268161A1 Portable fan device for forced air heating |
| 04/24/1990 | CA1268072A1 Ventilated core unit for service connections |
| 04/17/1990 | US4917004 Robot traveling duct for clean room |
| 04/12/1990 | DE3834109A1 Painting and drying booth |
| 04/10/1990 | US4915294 System for monitoring and equalizing temperature in multi-story buildings |
| 04/05/1990 | WO1990003540A1 Ventilation method |
| 04/05/1990 | WO1990003539A1 Ventilator for cooling, warming or fresh air cooling |
| 03/29/1990 | DE3902614C1 Fastening arrangement for a ventilating device |
| 03/29/1990 | DE3831318A1 Device for deflecting and channelling light radiation into windowless rooms in combination with a device for ventilating the rooms |
| 03/28/1990 | EP0359877A1 Ventilated soundproof glass |
| 03/22/1990 | DE3829139A1 Ventilating device |
| 03/21/1990 | CN2054882U Semiconductor-cooling/heating fan |
| 03/20/1990 | US4909557 Mobile computer clean room |
| 03/20/1990 | US4909135 Roof vent structure for plastic membrane roofs |
| 03/20/1990 | US4909134 Ventilation device for vehicle bodies |
| 03/13/1990 | US4907645 Device for ventilating rheostats and/or fluid radiators in a locomotive |
| 03/13/1990 | US4907499 Roof ridge ventilators and methods for installing such ventilators |
| 03/08/1990 | DE3828852A1 Ventilating device |
| 03/06/1990 | US4905579 Radon gas ventilation pump system and method |