| 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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| 05/02/1991 | EP0424671A2 Device for producing a displacement flow deficient in turbulence |
| 05/02/1991 | EP0424593A1 Connector for an extraction system |
| 05/02/1991 | EP0424557A1 Discharge nozzle for ventilation or air conditioning plants |
| 05/01/1991 | CN2076215U External plate structure for air conditioning apparatus |
| 05/01/1991 | CA2021800A1 Pneumatic variable air volume controller |
| 04/25/1991 | DE3935350A1 Ventilation housing e.g. for transformer - has built-in sound absorption provided by modules that form Helm hole resonator unit |
| 04/24/1991 | EP0423169A1 Damper device |
| 04/23/1991 | US5009392 Rotary air valve |
| 04/23/1991 | US5009325 Cap of vent nozzle |
| 04/23/1991 | CA2005606A1 Sight proof, drainable blade louver assembly |
| 04/17/1991 | EP0422942A2 An air conditioning apparatus |
| 04/16/1991 | US5007222 Foamed building panel including an internally mounted stud |
| 04/10/1991 | EP0421841A1 Apparatus for air circulation and installation containing such an apparatus |
| 04/10/1991 | EP0421182A2 Air mixing device |
| 04/10/1991 | EP0421128A2 Frame |
| 04/09/1991 | US5005879 Corner bracket and interconnection system for ducting |
| 04/09/1991 | CA1282629C Auxiliary frame for ceiling mounted air diffusers and the like |
| 04/04/1991 | WO1991004448A1 The air conditioner |
| 04/03/1991 | EP0420095A2 Device for providing cold and/or warm air to a room |
| 04/02/1991 | US5003867 Air conditioning system for grocery store or the like and diffuser units thereof |
| 04/02/1991 | CA1282276C Opposed blade balanced damper |
| 03/27/1991 | EP0418543A2 Air blowing device |
| 03/26/1991 | US5001968 Grocery store air conditioning system having drop-down diffuser units therefor |
| 03/26/1991 | US5001967 Modular air bar |
| 03/26/1991 | US5001864 For buildings |
| 03/26/1991 | CA1281935C Personal environmental module |
| 03/21/1991 | WO1991003681A1 Vent nozzle |
| 03/21/1991 | WO1991003678A1 Equipment roof-mounting system |
| 03/21/1991 | DE3940277C1 Sound damping structure - has silencer body with acoustic lining and contg. profiled and absorber |
| 03/21/1991 | DE3929442A1 Housing for central for conditioning appliance - consists of individual interlocking hall panels and vertical supports |
| 03/20/1991 | EP0418028A1 Strip ventilator |
| 03/20/1991 | EP0417351A1 Discharge nozzle for ventilating or air conditioning installations |
| 03/19/1991 | US5000221 Flow control system |
| 03/19/1991 | US5000079 Noise-attenuating ventilation pedestal for an electronic enclosure |
| 03/19/1991 | CA1281547C Adjustable air sweep mechanism for a room air conditioner |
| 03/14/1991 | DE3927807A1 Bakterizides und fungizides material zum herstellen von klimakanaelen Bactericidal and fungicidal material for the manufacture of klimakanaelen |
| 03/13/1991 | EP0415911A1 Air distribution system |
| 03/13/1991 | CN1012006B Air conditioning apparatus |
| 03/12/1991 | US4998412 Blockage alert and purge system |
| 03/08/1991 | CA2007315A1 Apparatus and method for controlling the mixing of atmospheric air with return air from a building |
| 03/07/1991 | WO1991003689A1 Filtering unit for cleaning supply air |
| 03/07/1991 | WO1991002929A1 Bactericidal and fungicidal material for use in the manufacture of air-conditioning ducts |
| 03/07/1991 | CA2066402A1 Filtering unit for cleaning supply air |
| 03/06/1991 | EP0415139A2 Bottom outlet for air induction |
| 03/05/1991 | US4996793 Louver control apparatus for modular shutter assembly |
| 03/05/1991 | CA1280870C Modular frame arrangement for clean room ceilings suspendable from the ceiling of a room for receiving filters having a fluid seal |
| 02/28/1991 | DE3928294A1 Ventilator or air conditioner housing - comprises inner and outer compartment with open sided cover |
| 02/27/1991 | EP0414022A2 Outlet with a vortex flow |
| 02/27/1991 | EP0414021A2 Induction outlet |
| 02/27/1991 | EP0413784A1 Device for aerating and, if necessary, deaerating a space. |
| 02/27/1991 | EP0413691A1 Clean room ceiling grid system |
| 02/27/1991 | EP0200762B1 Gaseous fluid distribution devices |
| 02/26/1991 | US4995648 For air conditioning ducting |
| 02/26/1991 | US4995426 Stock material for forming air turning vanes and air guide devices |
| 02/26/1991 | CA1280600C Stamped discharge grille includng two louvred sections |
| 02/20/1991 | EP0413124A2 Air outlet |
| 02/20/1991 | EP0413050A1 Personalized air conditioning and a method |
| 02/20/1991 | EP0277966B1 Mounting frame, in particular for articulated valves |
| 02/19/1991 | US4994226 Method of producing synthetic resin made articles having porous elastic member |
| 02/14/1991 | DE3925781A1 Air-conditioning and ventilation duct - is constructed from elements with thermally and acoustically insulated walls |
| 02/13/1991 | EP0412315A2 Sound attenuator |
| 02/12/1991 | US4991496 Air-conditioning duct apparatus with twistable duct vanes |
| 02/12/1991 | US4991406 Air conditioner |
| 02/12/1991 | CA1280024C Plastic building product |
| 02/12/1991 | CA1279992C Fan motor assembly method and apparatus for a room air conditioner |
| 02/06/1991 | EP0411399A2 Connecting arrangement for shutters, in particular ventilation or air-conditioning shutters of motorvehicles |
| 02/06/1991 | EP0411247A2 Air conditioning apparatus |
| 02/05/1991 | US4989826 Equipment roof mounting system |
| 02/05/1991 | US4989502 Weatherproofing doors for the air intake opening of ventilating systems |
| 02/05/1991 | CA1279788C Structure for mounting flow guiding blades in ventilating port |
| 01/31/1991 | DE3924676A1 Replaceable filter fitted in vehicle fresh air duct - has filter sides, extending away from removable frame cover, curved in at least two diagonally opposed corner regions |
| 01/30/1991 | EP0410046A1 Self-cleaning cabin airflow regulating device |
| 01/24/1991 | WO1990015289A3 Air conditioning system |
| 01/23/1991 | EP0409779A2 Device for controlled ventilation of rooms |
| 01/23/1991 | EP0213163B1 Sound attenuation box |
| 01/23/1991 | CN2069984U Insulating, silencing pressure glass wool wind pipe |
| 01/22/1991 | US4986087 Fan coil unit |
| 01/22/1991 | US4986050 Modular support system for a filter-type ceiling grid |
| 01/09/1991 | EP0406933A2 Ventilating Apparatus |
| 01/09/1991 | EP0406593A2 Air outlet cabinet of trapezoidal cross section |
| 01/08/1991 | US4982812 Noise-preventive means for compressor used in air conditioner |
| 01/08/1991 | CA1278721C End seal for clean room ceiling supports |
| 01/05/1991 | WO1991000480A1 Device for controlling the flow of gaseous or liquid media, in particular air |
| 01/05/1991 | CA2063710A1 Device for controlling the flow of gaseous or liquid media, in particular air |
| 01/02/1991 | EP0405380A1 Device for rotatably supporting manually orientatable elements, particularly for diffuser grilles in motor vehicle air-conditioning systems |
| 01/02/1991 | EP0405347A2 Slit-shaped outlet |
| 01/02/1991 | CA1278596C Air-duct connecting section with seal |
| 01/02/1991 | CA1278453C Filter cap for clean room ceiling grid system |
| 12/27/1990 | WO1990015956A1 Work station using radiant air conditioning partition |
| 12/25/1990 | US4980099 Airfoil lance apparatus for homogeneous humidification and sorbent dispersion in a gas stream |
| 12/25/1990 | US4979559 Stacking support brackets |
| 12/25/1990 | US4979433 Swirl outlet |
| 12/25/1990 | US4979432 Air diffuser with rotatably adjustable louvres, especially for an air curtain generator |
| 12/25/1990 | US4979429 Air outlet for interior spaces, especially for the interior space of a motor vehicle |
| 12/19/1990 | EP0402423A1 Soundproofing wall element |
| 12/19/1990 | CN1010881B Wind-direction deflection device for air conditioner |
| 12/18/1990 | US4978375 Plastic air filter housing assembly for use in air conditioners and heating systems |
| 12/18/1990 | US4977791 Flap lever system for rotary flaps |
| 12/18/1990 | US4977755 Waterproof |
| 12/13/1990 | WO1990015289A2 Air conditioning system |