| 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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| 12/27/1989 | EP0348011A2 Ceiling mounted air cleaner |
| 12/27/1989 | EP0347651A1 Air nozzle for interiors, particularly for the interior of a motor vehicle |
| 12/27/1989 | EP0347650A1 Air nozzle for interiors, particularly for the interior of a motor vehicle |
| 12/19/1989 | US4887641 Modified parallel blade damper for an air handling system |
| 12/19/1989 | US4887630 Pneumatic control system for air handling system damper |
| 12/19/1989 | US4887522 Air-conditioning apparatus |
| 12/19/1989 | US4887399 Soundproof roof curb |
| 12/14/1989 | WO1989011926A1 Ventilating system for mechanical local exhaustion |
| 12/13/1989 | EP0345793A2 Use of a body of expanded metal as fire protection filter |
| 12/13/1989 | CN1037820A Arrangement for keeping of livestock |
| 12/12/1989 | US4886532 Apparatus for removing and filtering dirty air from equipment |
| 12/05/1989 | US4884590 Electric motor driven air valve |
| 12/05/1989 | US4884497 One piece air diffuser |
| 12/05/1989 | CA1263614A1 Air duct section with form fitted connecting flange |
| 11/29/1989 | EP0343445A1 Filter unit with a filter holder and filter element |
| 11/28/1989 | US4883513 Filter cap for clean room ceiling grid system |
| 11/23/1989 | EP0342899A2 Acoustic fresh air ventilator |
| 11/15/1989 | CN2047761U Corrosion protection air-conditioning element |
| 11/09/1989 | DE3907987A1 Air grating |
| 11/07/1989 | US4878620 Rotary vane nozzle |
| 11/02/1989 | EP0339267A2 Air conditioning apparatus |
| 11/02/1989 | DE3813170A1 Thermally controllable shut-off device in pipelines for gaseous flow media |
| 10/31/1989 | US4876952 Air-conditioning apparatus |
| 10/31/1989 | US4876951 Air register handle arrangement |
| 10/31/1989 | US4876949 Low temperature air induction diffuser |
| 10/25/1989 | EP0338908A1 Ventilating tube particularly for air conditioning installation of cars |
| 10/25/1989 | EP0338580A2 Method for operating an arrangement for breeding livestock |
| 10/24/1989 | US4876070 Air blower apparatus |
| 10/24/1989 | US4875318 Plastic building product |
| 10/19/1989 | DE3811938A1 Device for supplying fresh air to rooms |
| 10/19/1989 | DE3811355A1 Ventilation grille with water discharge |
| 10/19/1989 | DE3810603A1 Bracket for induced draught ventilator |
| 10/18/1989 | EP0337975A2 Ventilating device |
| 10/18/1989 | EP0337972A2 A method and device for the supply of conditioned air |
| 10/18/1989 | EP0337971A2 A supply air terminal device |
| 10/18/1989 | EP0337679A2 Silencer for gas flow apparatus |
| 10/18/1989 | EP0337071A2 Damper door for ventilation or air evacuation opening |
| 10/17/1989 | US4874127 Climate control apparatus |
| 10/17/1989 | US4874040 Universal heat exchanger |
| 10/11/1989 | EP0336164A2 Inclined ventilation grille |
| 10/10/1989 | US4872398 Air vent throat of indoor ventilating device capable of preventing noise |
| 10/10/1989 | US4872397 Personal environmental module |
| 10/04/1989 | EP0335151A2 Air exit for creating a displacement-flow with poor turbulence |
| 09/28/1989 | DE3908484A1 Fan |
| 09/28/1989 | DE3808424A1 Fire-protection device for a fan |
| 09/26/1989 | US4869456 Load supporting pad |
| 09/26/1989 | US4869157 Modular air bar |
| 09/26/1989 | US4869075 Air conditioner |
| 09/26/1989 | CA1260755A1 Exhaust air heat exchanger |
| 09/21/1989 | DE3807680A1 Silencer not sensitive to soiling |
| 09/20/1989 | EP0333064A2 Ceiling air diffuser |
| 09/19/1989 | US4867949 Heat recuperative combustion device |
| 09/19/1989 | US4867232 Fluid flow control valve |
| 09/14/1989 | DE3807128A1 Schalldaempfendes wandelement Schalldaempfendes wall panel |
| 09/12/1989 | US4865365 Air duct section having a connecting flange formed by bending up the ends of the air duct walls |
| 09/12/1989 | US4864919 Vent for aerating windows |
| 09/08/1989 | WO1989008215A1 Soundproofing wall element |
| 09/07/1989 | DE3842442A1 Ventilating arrangement |
| 09/07/1989 | DE3806392A1 Ventilating arrangement |
| 09/07/1989 | DE3805873A1 Air outlet system constructed from individual elements |
| 09/06/1989 | EP0331533A1 Proportioning shutter for an air conditioning installation |
| 09/06/1989 | EP0331006A2 Device for ventilating a room |
| 09/06/1989 | EP0331005A2 Device for ventilating a room |
| 09/05/1989 | US4862704 Plastic pan assembly for use in air conditioners and refrigerators |
| 09/05/1989 | US4862660 Foamed panel including an internally mounted stud |
| 09/05/1989 | CA1259042A1 Access door |
| 08/29/1989 | US4860918 System for constructing air conditioning cabinets and method for constructing same |
| 08/24/1989 | WO1989007739A1 Air distribution unit |
| 08/23/1989 | EP0329498A1 Device for moving air in a duct |
| 08/22/1989 | US4858683 Stamped discharge grille including two louvred sections |
| 08/22/1989 | US4858520 Auxiliary frame for ceiling mounted air diffusers and the like |
| 08/16/1989 | CN2042936U Regulating valve of connecting support |
| 08/15/1989 | US4856672 Condensation pan/converter tray for a fan coil unit |
| 08/15/1989 | US4856419 Process for collecting a contaminated substance and apparatus thereof |
| 08/15/1989 | US4856295 Security lock for a room air conditioner |
| 08/10/1989 | WO1989007225A1 Replacement air valve |
| 08/10/1989 | WO1989007186A1 Ventilation trap door |
| 08/10/1989 | WO1989007182A1 Clean room ceiling grid system |
| 08/09/1989 | EP0326950A2 Induction apparatus for air distribution system |
| 08/08/1989 | US4854953 Air filter and module to be used for building up such a filter |
| 08/08/1989 | US4854950 Moisture separator |
| 08/08/1989 | US4854376 Wall mounted air conditioner with dischargers in separate rooms |
| 08/08/1989 | US4854225 Venting control device |
| 08/03/1989 | DE3802603A1 Mixing device for air heater |
| 08/03/1989 | DE3801425A1 Ventilating ceiling |
| 08/02/1989 | EP0325729A2 Tringle system for pivotable flaps |
| 07/27/1989 | DE3801733A1 Sound damper which is intended for doors and can be retrofitted |
| 07/26/1989 | EP0324770A1 Nozzle for discharging ventilation air from a ventilation system. |
| 07/26/1989 | CN1004901B Control system of flow direction used in blinds or air exhaust |
| 07/25/1989 | US4851066 Snap-secured bladder for air-distribution terminal |
| 07/25/1989 | US4850266 Central air uptake attachment |
| 07/20/1989 | DE3824460A1 Method and apparatus for the air-conditioning of and supply and discharge of media to and from spaces, preferably greenhouses and foil tents |
| 07/19/1989 | EP0324256A2 Improvements in ventilators |
| 07/19/1989 | CN2041405U Simple device for automatic aeration indoor |
| 07/18/1989 | US4848669 Fluid flow control nozzles |
| 07/18/1989 | US4848214 Supply and return air plenum unit for duct air-conditioning systems |
| 07/13/1989 | DE3817215C1 Mixing-air part for a mixing chamber of a ventilation or air-conditioning installation |
| 07/11/1989 | US4846859 Air cleaner |
| 07/06/1989 | DE3842743A1 Swirl outlet for ventilating, hot-air-heating and air-conditioning installations |
| 07/06/1989 | DE3743579A1 Outlet, in particular ceiling outlet |