| Patents for F24F 3 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (19,462) |
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| 02/01/1989 | EP0301090A1 Regenerating dynamic adsorber system and method for contaminant removal |
| 01/31/1989 | US4801312 Laminar air flow hazardous materials abatement method and system |
| 01/25/1989 | EP0300101A1 Deodorizing plant |
| 01/18/1989 | CN2031074U Thin magnetic-pump air-conditioner |
| 01/18/1989 | CN2030899U Air filter for removing bacteria |
| 01/17/1989 | CA1248808A1 Air ventilation and filtration apparatus |
| 01/17/1989 | CA1248807A1 Air conditioner system for building |
| 01/12/1989 | WO1989000355A1 An arrangement for transporting air |
| 01/10/1989 | US4796439 Air conditioning system |
| 01/04/1989 | EP0297230A1 Method and device for the removal of ice in rotating regenerative heat- and/or matter-exchangers |
| 01/03/1989 | US4794763 In an air conditioning system |
| 01/03/1989 | CA1248201A1 Residential heating, cooling and energy management system |
| 01/02/1989 | EP0235208A4 Air conditioning means and method. |
| 12/29/1988 | WO1988010122A1 Treatment of air conditioning system |
| 12/29/1988 | DE3719734A1 Filter unit |
| 12/28/1988 | CA1247370A Variable air volume air conditioning system |
| 12/27/1988 | US4793836 Remote control for an air filtration system |
| 12/27/1988 | US4793835 Device for filtering and/or moistening a stream of air |
| 12/27/1988 | US4793143 Enthalpic heat pump desiccant air conditioning system |
| 12/21/1988 | CN88203953U Energy saving and frost-proof air conditioner |
| 12/20/1988 | US4792345 Gas sensor, ultraviolet sensor; automatic control |
| 12/14/1988 | EP0295129A1 Method for supplying aromas, apparatus therefore and facilities provided with same |
| 12/14/1988 | EP0294730A2 Ventilation device |
| 12/14/1988 | EP0294729A2 Ventilation device |
| 12/13/1988 | US4790862 Joint operation of gas sensor and ultraviolet ray detector |
| 12/13/1988 | US4790080 Apparatus for cleaning contaminated surfaces by means of flowing air |
| 12/07/1988 | EP0293872A1 Method and device for making visible air flows free of noxious and residual matter in super-clean working areas |
| 11/29/1988 | US4787922 Filter apparatus |
| 11/29/1988 | US4787752 Live component temperature conditioning device providing fast temperature variations |
| 11/22/1988 | US4786301 Spaced heat conducting plates with porous desiccant granules bonded to surfaces |
| 11/22/1988 | US4786300 For installation between ceiling of lower story and floor of upper story |
| 11/22/1988 | US4786296 Apparatus for use in asbestos removal |
| 11/17/1988 | WO1988008947A1 Air conditioning apparatus |
| 11/17/1988 | EP0291500A2 Air supply installation for airtight lockable rooms particularly for shelters |
| 11/17/1988 | EP0290702A1 Air conditioning unit |
| 11/15/1988 | US4784213 Mixing valve air source |
| 11/10/1988 | DE3714114A1 Pivotable laminar flow head |
| 11/10/1988 | DE3714075A1 Device for stabilising the air humidity in rooms |
| 11/01/1988 | US4781526 Fan and filter combination |
| 11/01/1988 | US4781108 Method and means for supplying clean air to an operating room |
| 10/27/1988 | DE3711613A1 Clean-room system |
| 10/26/1988 | EP0181910B1 Energy saving system for the heating and/or cooling of installations, particularly animal breeding installations, comprised of rooms intended to be used as living place for a plurality of living beings |
| 10/20/1988 | WO1988008112A1 A rotatable heat exchanger |
| 10/18/1988 | US4778496 Having sealed connections and positive air flow |
| 10/13/1988 | DE3712011A1 Device for preventing undesired moisture formation in buildings |
| 10/12/1988 | CN87102201A Purifying method and purifier for the room air |
| 10/11/1988 | US4776263 Device for a suspended ceiling structure for rectangular filter elements |
| 10/06/1988 | WO1988007405A1 High efficiency sensible and latent heat exchange media with selected transfer for a total energy recovery wheel |
| 10/06/1988 | DE3710234A1 Method of producing an allergen-free adjustable air cone |
| 10/06/1988 | DE3709791A1 Sterilisation chamber/cabinet, preferably for hospitals |
| 10/06/1988 | DE3708646A1 Ventilation ceiling device for clean rooms |
| 10/04/1988 | US4775001 Zoned air conditioning system |
| 09/27/1988 | US4773471 Integrated water misting heating and cooling system for poultry buildings or the like |
| 09/27/1988 | US4773310 Fan ventilator having multiple modes of operation |
| 09/22/1988 | DE3707938A1 Apparatus for the treatment, in particular filtration, of room air |
| 09/22/1988 | DE3707688A1 Rotating air distributor system for the purification of air and gases |
| 09/21/1988 | CN88101287A Air conditioning system for building |
| 09/20/1988 | US4771611 Air conditioning means and method |
| 09/14/1988 | EP0281762A2 Air conditioning system for buildings |
| 09/14/1988 | EP0281631A1 Installation for indirect evaporative cooling of air in an object |
| 09/13/1988 | US4770001 Swimming pool dehumidifier |
| 09/07/1988 | WO1988006701A1 A draining device and the use thereof |
| 09/06/1988 | US4769053 High efficiency sensible and latent heat exchange media with selected transfer for a total energy recovery wheel |
| 09/06/1988 | US4769051 Regenerable filter |
| 08/25/1988 | WO1988006261A1 Method and device for conditioning of a gas |
| 08/25/1988 | WO1988006057A1 Air cleaning device |
| 08/24/1988 | EP0279495A1 An air drying apparatus |
| 08/18/1988 | DE3803600A1 Shelter |
| 08/18/1988 | DE3703137A1 Multiply active bactericidal/fungicidal chemisorption filter for treating breathing air, in particular for allergic people |
| 08/17/1988 | CN85106378B Two-ring seal system |
| 08/16/1988 | US4764187 Radon from air |
| 08/11/1988 | WO1988005693A1 Regenerating dynamic adsorber system and method for contaminant removal |
| 08/10/1988 | CN87105963A Air conditioner and method of dehumidifier control |
| 08/09/1988 | US4761966 From an indoor swimming pool |
| 08/02/1988 | USRE32722 Ventilation system with thermal energy recovery |
| 07/27/1988 | EP0276176A1 Process for the simultaneous exchange of heat and material through a porous barrier |
| 07/27/1988 | EP0275758A1 Independent unit for heat exchange between a primary and a secondary fluid, particularly of the air for the ventilation and conditioning of a room |
| 07/26/1988 | US4759195 Energy saving self-powered industrial dehumidifier |
| 07/14/1988 | EP0258462A4 Method of cooling a substance. |
| 07/13/1988 | CN87212779U 负氧离子区扇 Negative oxygen ions area fan |
| 07/12/1988 | US4756322 Means for restoring the initial cleanness conditions in a quartz tube used as a reaction chamber for the production of integrated circuits |
| 07/07/1988 | DE3727672C1 Ventilation device, in particular heating or air-conditioning system for the interior of a vehicle |
| 07/06/1988 | EP0273791A1 Device for the storage and transport of objects in an environment with a high degree of purity |
| 06/30/1988 | WO1988004757A1 Independent unit for heat exchange between a primary fluid and a secondary fluid, particularly air for ventilation and air conditioning of a room |
| 06/28/1988 | US4753663 Reduction of water solids contributions to apparent cotton dust levels through use of special water in atomizers |
| 06/28/1988 | US4753573 Filtering means for ceiling fan blades |
| 06/23/1988 | DE3642206A1 Arrangement for regulating the temperature of rooms |
| 06/21/1988 | US4751844 Adjustable constant temperature and humidity control device for self-propelled vehicles |
| 06/21/1988 | CA1238394A1 Refrigeration heat pump and auxiliary heating apparatus control system with switchover during low outdoor temperature |
| 06/15/1988 | EP0271457A2 An electrostatic air cleaner particularly for kitchen forced suction hoods |
| 06/14/1988 | US4750924 For large room or office; recirculating |
| 06/14/1988 | US4750922 Remote control for an air filtration system |
| 06/09/1988 | DE3640735A1 Apparatus for maintaining clean air in the breathing area of a workplace, preferably a hairdresser's workplace |
| 06/08/1988 | EP0270475A2 Static pressure control in variable air volume delivery systems |
| 06/07/1988 | US4749389 Air flow through sheet-like swirl of water |
| 06/07/1988 | US4749388 Device for drying moist air |
| 06/07/1988 | US4749385 Method and apparatus for providing clean air |
| 06/07/1988 | US4748822 Speed control of a variable speed air conditioning system |
| 06/01/1988 | EP0269524A2 Lighting and air freshener fixture |
| 06/01/1988 | EP0269399A2 Air conditioner and method of dehumidifier control |