| 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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| 01/12/1989 | DE3822155A1 Interior air filter for motor vehicles |
| 01/11/1989 | EP0298276A2 Device for ventilating of rooms by a window counter-air current |
| 01/10/1989 | US4796803 Air volume regulator valve |
| 01/10/1989 | US4796519 Prefabricated window unit with air conditioning system |
| 01/05/1989 | DE3721041A1 Air duct |
| 01/03/1989 | US4794852 Inlet Device |
| 01/03/1989 | US4794851 Nozzle means for an air conditioning installation |
| 12/29/1988 | WO1988010402A1 Ventilation equipment |
| 12/29/1988 | DE3819697A1 Method and apparatus for regulating the minimal air flow into and out of a room to be ventilated |
| 12/29/1988 | DE3719734A1 Filter unit |
| 12/29/1988 | DE3719168A1 Cross-current air-curtain installation |
| 12/27/1988 | US4793247 Method of mixing two or more gas flows |
| 12/27/1988 | US4793148 Air conditioning apparatus |
| 12/27/1988 | US4793147 Drainage device for room air conditioner |
| 12/15/1988 | DE3818220A1 Duct-retaining means |
| 12/15/1988 | DE3719134A1 Air discharge device |
| 12/14/1988 | EP0294729A2 Ventilation device |
| 12/13/1988 | US4790863 Thin, lightweight fan module, quiet operation |
| 12/13/1988 | US4790237 To be mounted on a roof |
| 12/13/1988 | CA1246385A1 Air distribution system |
| 12/08/1988 | DE3815081A1 Mixing chamber for ventilation and air-conditioning systems |
| 12/06/1988 | US4788805 Cover for wall mounted air conditioner |
| 12/01/1988 | DE3812000A1 Drehkoerperfoermige duese mit niedrigem geraeuschpegel Drehkoerperfoermige duese with low noise level |
| 11/30/1988 | CN88101556A Air conditioning apparatus |
| 11/29/1988 | US4787818 Centrifugal blower assembly |
| 11/29/1988 | US4787473 Sound attenuating box |
| 11/24/1988 | DE3716136A1 Profile for flanged connections of ventilation ducts |
| 11/24/1988 | DE3715133A1 Mixing chamber |
| 11/23/1988 | EP0291783A2 Filter module for clean room ceilings, walls and the like |
| 11/22/1988 | US4786300 For installation between ceiling of lower story and floor of upper story |
| 11/22/1988 | US4785596 Attic vent |
| 11/17/1988 | WO1988008944A1 Ventilation means and ventilation procedure |
| 11/17/1988 | EP0291500A2 Air supply installation for airtight lockable rooms particularly for shelters |
| 11/17/1988 | EP0291072A2 Filter arrangement for keeping ventilated aircraft interiors clean |
| 11/17/1988 | DE3715213A1 Clean-room ceiling system |
| 11/10/1988 | DE3713764A1 Self-closing non-return valve for vertical air-guiding ducts or the like |
| 11/09/1988 | EP0289874A1 Device for extracting and filtering air charged with dust and or dispersed fibres at spinning machines |
| 11/08/1988 | US4783045 Inflatable bladder for control of fluid flow |
| 11/08/1988 | US4782999 Air conditioning apparatus and grille control method thereof |
| 11/08/1988 | US4782637 Frame structure |
| 11/03/1988 | DE3713432A1 Metal louvre for ventilation |
| 11/02/1988 | EP0289300A2 Fluid flow control nozzles |
| 11/02/1988 | EP0289065A1 Air vent, in particular for cars |
| 11/01/1988 | US4781401 Adjustable jack for mounting on a duct bend |
| 11/01/1988 | US4781106 Return air barrier for motor vehicles |
| 11/01/1988 | CA1243885A1 Ceiling distributor duct assembly for rooftop air conditioners |
| 10/27/1988 | DE3711613A1 Clean-room system |
| 10/26/1988 | EP0287849A1 Air vent |
| 10/25/1988 | US4779518 Shutter apparatus |
| 10/20/1988 | DE3711506A1 Draught-free fresh air distributor - using plastic duct with one wide wall replaced by porous plate permeable to air |
| 10/20/1988 | DE3711376A1 Air-outflow channel of a dedusting device of a textile machine |
| 10/19/1988 | EP0287546A2 Radiating and convection element |
| 10/19/1988 | EP0286705A1 Ventilation and exhaust gas device |
| 10/18/1988 | US4778151 Sealing valve for air ducts |
| 10/18/1988 | US4777932 Barometric damper |
| 10/18/1988 | US4777870 Adjustable air sweep mechanism for a room air conditioner |
| 10/11/1988 | US4776484 Unitized cabinet design |
| 10/11/1988 | US4776263 Device for a suspended ceiling structure for rectangular filter elements |
| 09/29/1988 | DE3708424A1 Air outlet and method for its operation |
| 09/27/1988 | US4774116 Solventless joint for plastic |
| 09/27/1988 | US4774030 Sealing during shutdown; air conditioning |
| 09/27/1988 | US4773197 Air duct boot |
| 09/21/1988 | EP0282486A1 An air supply device |
| 09/14/1988 | EP0282051A2 Tractor or trailer for transporting loads with an installation for cooling the load compartment by air circulation |
| 09/13/1988 | US4769958 Clean-room suspended ceiling |
| 09/06/1988 | US4768350 A/C - evaporative cooler sun shroud |
| 09/06/1988 | CA1241563A1 Ventilation appliance |
| 08/30/1988 | US4766807 Damper blade seal |
| 08/30/1988 | US4766806 Flush mount whole house fan shutter |
| 08/30/1988 | US4766738 Air conditioner |
| 08/25/1988 | DE3704459A1 Dust filter, in particular for motor vehicle air conditioning units |
| 08/25/1988 | DE3704458A1 Dust filter, in particular for motor vehicle air conditioning units |
| 08/23/1988 | US4765810 Testable gasket seal arrangement |
| 08/23/1988 | US4765375 Duct |
| 08/17/1988 | EP0277966A1 Mounting frame, in particular for articulated valves. |
| 08/16/1988 | US4763964 In an air conditioning apparatus |
| 08/16/1988 | US4763565 Convertible air diffuser |
| 08/16/1988 | CA1240548A1 Damper plate for clothes dryer vent |
| 08/09/1988 | US4762053 Replacement filtered soffit ventilator |
| 08/03/1988 | EP0276810A2 A method of and an air distribution means for introducing supply air into a room space |
| 08/03/1988 | EP0276642A2 A supply air device |
| 08/02/1988 | US4760981 Heating boot hanger assembly |
| 08/02/1988 | US4760877 Air conditioner with motor controlled door |
| 08/02/1988 | US4760773 Ventilator closure |
| 07/26/1988 | US4759198 Ventilator for refrigerator |
| 07/26/1988 | US4759194 Decorative insulating covers for in wall air conditioners and fans |
| 07/20/1988 | EP0274965A1 Manually or automatically adjustable ventilation device for a window of a building |
| 07/14/1988 | WO1988005147A1 Air distribution system |
| 07/14/1988 | DE3644590A1 Ventilating apparatus for blowing supply air into a room |
| 07/12/1988 | US4756728 Portable satellite air filter for use with negative air pressure machine |
| 07/12/1988 | US4756474 Duct pressure powered air volume controller |
| 07/07/1988 | DE3644567A1 Method for blowing supply air into a room |
| 07/07/1988 | DE3643680A1 Blocking-off device with lifting rotary wing flap |
| 07/06/1988 | EP0273532A1 Air filter and module to be used for building up such a filter |
| 07/05/1988 | US4754696 Ventilator with adjustable installation means |
| 06/28/1988 | US4753286 Heat exchanger having an exchanger element arranged in a casing |
| 06/23/1988 | DE3642489A1 Automatic closing mechanism for flaps in pipelines |
| 06/23/1988 | DE3642254A1 Air-regulating device |
| 06/23/1988 | DE3642056A1 Air outlet device for ventilation and air-conditioning systems |
| 06/22/1988 | EP0272195A2 Actuator for a heating/cooling diffuser |