| Patents for F24F 13 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening (38,954) |
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| 07/06/1989 | DE3742980A1 Droplet collector for an air-conditioning unit |
| 07/05/1989 | EP0323356A1 Heating or cooling device for an air stream, particularly for heating or cooling rooms in a building |
| 07/04/1989 | USPP6899 Petunia plant named `Revolution Brilliantpink-Mini` |
| 07/04/1989 | US4844120 Motorized control damper |
| 06/29/1989 | WO1989005947A1 Method and apparatus for the control of air flows and pressures in air-conditioning |
| 06/29/1989 | DE3743300A1 Air distributor |
| 06/22/1989 | DE3741839A1 Outlet for hot and/or cold air in rooms |
| 06/20/1989 | US4840114 Air outlet device |
| 06/20/1989 | US4840113 Louver vent for the ventilation of a motor vehicle passenger compartment |
| 06/20/1989 | US4840041 Air conditioner wall sleeve |
| 06/14/1989 | CN2039400U Wind-guiding device |
| 06/13/1989 | US4838524 Noise barrier |
| 06/13/1989 | US4838038 Temperature insulating apparatus for improving the efficiency of an evaporative cooling unit |
| 06/13/1989 | CA1255776A1 Apparatus for controlling actuators operative under negative pressure |
| 06/07/1989 | EP0318735A1 Connection piece for ducts |
| 06/06/1989 | US4836585 Shaped flange for connecting air duct segments |
| 05/30/1989 | US4834615 Mounting arrangement for an axial fan |
| 05/23/1989 | CA1254436A1 Sealable louver |
| 05/18/1989 | DE3737412A1 Method for ventilating and/or controlling the temperature of storage rooms and installation for carrying out the method |
| 05/17/1989 | EP0315943A2 False floor for extracting air out of a room |
| 05/16/1989 | US4829886 Central heating system vent guard |
| 05/16/1989 | US4829885 Ventilation system for animal enclosures |
| 05/11/1989 | DE3736448A1 Air swirl outlet and method for its operation |
| 05/09/1989 | US4829411 Lighting and air freshener fixture |
| 05/09/1989 | US4828590 Filter arrangement |
| 05/09/1989 | US4827901 Filter base for forced air furnace |
| 05/05/1989 | WO1989003961A1 Air distribution device |
| 05/03/1989 | EP0313621A1 Ventilation means and ventilation procedure. |
| 05/03/1989 | DE3736133A1 Air-heating unit for frost- and ice-proof heating of outside air during circulating-air and brine-free operation |
| 04/27/1989 | DE3834942A1 Filter apparatus |
| 04/27/1989 | DE3820105A1 Ventil zum regeln eines luftstroms Valve for controlling a flow of air |
| 04/27/1989 | DE3734746A1 Sound-damping device for the reduction of radiated sound power from a conduit opening |
| 04/26/1989 | CN2036635U Lightweight energy-less automatic air-changing device |
| 04/25/1989 | US4824023 Flow deflecting device |
| 04/25/1989 | US4824012 Air flow damper control system |
| 04/25/1989 | US4823681 Gas duct outlet |
| 04/25/1989 | US4823679 Building ventilation system with air inlet flap control |
| 04/20/1989 | DE3832474A1 Vorrichtung zur wahl des von einer raumluftaufbereitungseinheit angesaugten luftstroms Apparatus for selectively of sucked by a space air treatment unit air stream |
| 04/20/1989 | DE3733671A1 Method for cooling rooms |
| 04/20/1989 | DE3733186A1 Compact sound absorber for air conditioners |
| 04/19/1989 | EP0312486A2 Air terminal |
| 04/19/1989 | EP0311934A2 Air exit for ventilation and air-conditioning purposes |
| 04/18/1989 | US4821955 Thermally-powered active master and passive satellite air diffuser system |
| 04/18/1989 | US4821628 Shallow-profile foundation ventilator |
| 04/18/1989 | US4821475 Duct mounting structure for prefabricated curtain wall with air conditioning system |
| 04/13/1989 | DE3814081A1 Petunia, and propagation material derived therefrom |
| 04/12/1989 | EP0311153A2 Ventilation device for building roofs |
| 04/12/1989 | CN2035854U Energy saving telescopic wind inlet |
| 04/11/1989 | US4819716 Air conditioning system |
| 04/11/1989 | US4819549 End seal for clean room ceiling supports |
| 04/11/1989 | US4819448 Evaporative cooler |
| 04/11/1989 | CA1252442A1 Space heater |
| 04/06/1989 | WO1989003006A1 An air conditioning apparatus, especially for regulating the flow of cold and warm air or a mixture thereof |
| 04/06/1989 | DE3732792A1 Method for cooling rooms |
| 04/05/1989 | EP0309820A2 Air channel stiffening |
| 04/04/1989 | US4818462 Method and apparatus of injection molding front grill panels of room air conditioner units and the like |
| 04/04/1989 | US4817912 Bi-metal operator for smoke, fire and air control damper |
| 04/04/1989 | US4817863 Vortex valve flow controller in VAV systems |
| 04/04/1989 | US4817508 Opposed blade balanced damper |
| 04/04/1989 | US4817507 Air supply device |
| 03/30/1989 | DE3731800A1 Device for cooling rooms |
| 03/30/1989 | DE3731620A1 Fastening of the air-filter holder of a ventilation system in a vehicle |
| 03/29/1989 | EP0308856A2 Process for cooling spaces |
| 03/29/1989 | CN2035064U Air-distributing device |
| 03/28/1989 | US4815934 Air deflector arrangement |
| 03/28/1989 | US4815530 Kool kap |
| 03/28/1989 | US4815364 Register assembly |
| 03/28/1989 | US4815362 Diffuser unit for air conditioning system |
| 03/23/1989 | WO1989002566A1 A device for controlling and closing gas flows |
| 03/22/1989 | EP0307824A2 Device to control a single heald in a loom |
| 03/21/1989 | US4813345 Wind direction deflection blade mounting apparatus |
| 03/15/1989 | EP0307284A1 System for dismantling installations present in a building, and process for using this system |
| 03/14/1989 | US4811575 Sound insulated bellows-type air terminal valve |
| 03/14/1989 | US4811570 Sleeve assembly with attached duct and drain connections for a through the wall air conditioning unit |
| 03/14/1989 | CA1251087A1 Fluid deflecting assembly |
| 03/09/1989 | DE3731491C1 Elongated air distributor |
| 03/08/1989 | EP0306047A2 Built-in ceiling for air supply using a supporting jet |
| 03/02/1989 | DE3727509A1 Filter-frame grid |
| 03/01/1989 | EP0305335A2 Exit chamber for air distribution in a space which has to be ventilated |
| 03/01/1989 | EP0304753A1 Improvements relating to ventilating |
| 02/22/1989 | EP0303850A2 Air-mixing device |
| 02/21/1989 | US4805835 Methods and apparatus for the control of smoke and fire in buildings |
| 02/21/1989 | US4805521 Supply air device |
| 02/21/1989 | US4805418 Indoor unit for room air conditioners |
| 02/15/1989 | EP0303047A2 Exhaust gas flue for an exhaust gas purification plant |
| 02/09/1989 | DE3725444A1 Central four-way conditioning device for room air having tubular construction units |
| 02/09/1989 | DE3725147A1 Sound-insulating component |
| 02/09/1989 | DE3724922A1 Method and arrangement for ventilating and dehumidifying a room |
| 02/07/1989 | US4802342 Protective grille and air flow straightener for transport refrigeration apparatus |
| 02/01/1989 | EP0301212A2 Air humidifier |
| 02/01/1989 | EP0301196A2 Ventilating-pipe piece for air distribution ducts, particularly for caravans or the like |
| 02/01/1989 | EP0301129A2 Filter wall/ceiling for installations of clean-room technology |
| 02/01/1989 | CN2031893U Ventilation opening with natural heat-exchange action |
| 01/31/1989 | US4801316 Molded fiberglass air return filter grille |
| 01/31/1989 | US4800804 Variable air flow diffuser |
| 01/31/1989 | US4800735 Fan motor assembly method and apparatus for a room air conditioner |
| 01/31/1989 | US4800734 Room air conditioner |
| 01/26/1989 | DE3723182A1 Air nozzle |
| 01/24/1989 | US4799539 For extracting stale air from inside a roomT?????h)??????????0*0*0*0?0????T |
| 01/12/1989 | WO1989000268A1 Radiation air-conditioner |