| 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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| 06/23/1993 | CN1073510A Wind-cooling split type air conditioner |
| 06/22/1993 | US5220940 Flow control valve with venturi |
| 06/22/1993 | US5220910 Device and method for ventilation |
| 06/16/1993 | EP0546214A1 Air purifier with perfume dispensing control |
| 06/16/1993 | CN2136413Y Cleaning air conditioner for cinema |
| 06/15/1993 | US5219215 Modular clean bench system |
| 06/15/1993 | US5218838 Air conditioning apparatus with indoor units installed on ceiling and floor in room |
| 06/15/1993 | US5218833 Temperature and humidity control in a closed chamber |
| 06/15/1993 | CA1319014C Dehumidifier |
| 06/09/1993 | DE4139737A1 Arrangement for the tempering and humidity control of air - has housing in which is arranged at least on moistened plate pack and partially immersed in liq. |
| 06/09/1993 | CN2135741Y Air condition purifying machine |
| 06/09/1993 | CN2135740Y Room air purifying fan |
| 06/08/1993 | US5217696 Combined lamp and indoor air purification apparatus |
| 06/02/1993 | CN2135123Y Air-filtering and humidity-keeping device |
| 06/02/1993 | CN2135122Y 空气净化器 Air Purifier |
| 06/02/1993 | CN2135121Y Multi-functional air-conditioner |
| 06/02/1993 | CN2135120Y Double=face segmented air-conditioner |
| 06/02/1993 | CN1021019C Filtering apparatus |
| 06/01/1993 | US5215561 Moisture collection apparatus |
| 06/01/1993 | CA1318506C Apparatus for ultra high energy efficient heating, cooling and dehumidifying of air |
| 05/27/1993 | WO1993010411A1 Method and apparatus for latent heat extraction |
| 05/27/1993 | WO1993010404A1 Ultrasonic atomising, cooling and air-conditioning |
| 05/27/1993 | WO1993010403A1 Air-conditioning installation for room spaces |
| 05/27/1993 | CA2123221A1 Air-conditioning installation for room spaces |
| 05/26/1993 | EP0542909A1 Environmental control system condensing cycle. |
| 05/26/1993 | EP0542823A1 Process and product for releasing bound water |
| 05/26/1993 | CN2134617Y Air clarifier manufactured with compound material |
| 05/26/1993 | CN2134616Y Movable air-conditioner and shower |
| 05/26/1993 | CN1072490A Condensate tank of dehumidifier |
| 05/25/1993 | US5213154 Liquid desiccant regeneration system |
| 05/25/1993 | US5212956 Method and apparatus for gas cooling |
| 05/25/1993 | CA1318285C Method for supplying aromas, apparatus therefore and facilities provided with same |
| 05/19/1993 | EP0542707A1 A ventilation method for tents, or the like, and means for the same |
| 05/19/1993 | EP0541867A1 Method of forming artificial snow surface, ice crusher machine used in the method and method of maintaining snow surface |
| 05/19/1993 | EP0541862A1 Apparatus for controlling the ventilation of laboratory fume hoods |
| 05/19/1993 | EP0541861A1 Mounting frame for a filter disposed at the front of the ceiling in a clean room |
| 05/19/1993 | DE4137824A1 Compact, mixed flow air conditioning unit - incorporates switching system for by-passing or mixing recirculated and heated or cooled fresh air |
| 05/19/1993 | CN2133796Y Parallel double-wind purifying fan group |
| 05/19/1993 | CN2133795Y Energy-saving air purifying unit |
| 05/19/1993 | CN1072104A Oxygen-rich air conditioning device |
| 05/13/1993 | WO1993009198A1 Vapour absorbent compositions |
| 05/13/1993 | WO1993008910A1 Method for treatment of a contact body for exchange of heat, moisture or the like |
| 05/12/1993 | CN2132943Y Movable split air conditioner |
| 05/06/1993 | DE4213778A1 Air conditioning and processing for home and work-places - filtering out harmful products and controlling ozone level by unit responding to sensor inputs |
| 05/05/1993 | CN2132118Y Air purifying device indoor |
| 04/29/1993 | DE4135689A1 Compact, modular air-conditioning appts. - has individual modules adjusted relative to air flow to reduce flow resistance |
| 04/28/1993 | EP0538524A1 Localised clean air system and delivery head therefor |
| 04/28/1993 | EP0538258A1 Device and method for ventilation |
| 04/28/1993 | CN2131056Y Autocontrol temp-regulation and detoxication air interchanger |
| 04/28/1993 | CN2131055Y Air purifier |
| 04/28/1993 | CN2131054Y Sterilisation-type air-conditioner |
| 04/21/1993 | EP0538179A1 High to low side bypass to prevent reverse rotation |
| 04/21/1993 | CN2130248Y Fresh air and smoke eliminater for small air conditioner |
| 04/21/1993 | CN2130247Y Cigarret smoke and air self purifier |
| 04/20/1993 | US5203161 Method and arrangement for cooling air to gas turbine inlet |
| 04/15/1993 | WO1993007549A2 Wireless communication system for air distribution system |
| 04/15/1993 | WO1993007434A1 Air heat exchanger having both heat-exchanging and air-cleaning functions, as well as air filter for such a heat exchanger |
| 04/15/1993 | DE4133917A1 Heating and/or cooling system for vehicle interior - has two zeolite absorption reactors with alternating air flows. |
| 04/15/1993 | DE4133663A1 Air purifier for building rooms - comprises fan with particle absorber and air washer and air moistener and hydro culture |
| 04/14/1993 | CN2129900Y Air cleaning and freshing machine |
| 04/14/1993 | CN2129836Y Cold air exhausting fan |
| 04/13/1993 | US5201860 Air purification planter |
| 04/08/1993 | DE4133093A1 Filter ventilator |
| 04/06/1993 | CA1315594C Fragrant air supplying method and supplying system |
| 04/01/1993 | WO1993006617A1 Method and apparatus for protecting ultraclean surfaces |
| 04/01/1993 | WO1993005821A1 Catalytic reduction of volatile organic contaminants in indoor air |
| 04/01/1993 | DE4132483A1 Preparing air for air conditioned rooms - avoids mixing primary air with recirculated air by completely separate processes of extraction filtration and cooling |
| 04/01/1993 | CA2119131A1 Catalytic reduction of volatile organic contaminants in indoor air |
| 03/31/1993 | EP0533817A1 Air circulation system |
| 03/30/1993 | CA1315334C Arrangement for transporting air |
| 03/24/1993 | EP0533078A2 Portable room-air cleaning device |
| 03/24/1993 | EP0532874A2 Air conditioner for the human domain |
| 03/24/1993 | CN2128711Y Two-purpose cooling and warming air conditioner |
| 03/24/1993 | CN2128709Y Air purifier indoors |
| 03/24/1993 | CN1070127A Return wind filter with changeable wind rate |
| 03/23/1993 | US5195922 Environmental control system |
| 03/18/1993 | WO1993004764A1 A method and apparatus for increasing the yield of an air-drying process |
| 03/18/1993 | DE4130651A1 Air conditioning plant for buildings - has housing behind blower, with airborne particle filter and sorption filter, acting as sound absorber |
| 03/18/1993 | DE4130648A1 Air conditioning plant for buildings - has housing near discharge channel outlet, with airborne particle filter and sorption filter, acting as sound absorber |
| 03/17/1993 | EP0531412A1 Air conditioning system and method |
| 03/16/1993 | CA1314397C Air conditioner |
| 03/10/1993 | EP0531180A2 Air conditioning process and device with a direct expansion circuit and a hydraulic circuit |
| 03/09/1993 | US5192348 Directional air diffuser panel for clean room ventilation system |
| 03/09/1993 | US5192343 High efficiency particulate air filter ventilation system |
| 03/09/1993 | US5192342 High efficiency air filters for deodorizing or perfuming air |
| 03/09/1993 | US5191771 Ducts with desiccants, refrigeration and heating |
| 03/09/1993 | US5191767 Gas turbine air handling system |
| 03/03/1993 | EP0530081A1 Air treatment process for a ventilation or an air conditioning system and means for carrying out this process |
| 03/03/1993 | EP0529937A2 Air treatment apparatus |
| 03/02/1993 | US5190570 Combined decorative flower pot and air filter |
| 03/02/1993 | CA1313969C Air purification method and apparatus |
| 02/25/1993 | DE4128038A1 Continuously cleaned air filtering device - for fine particle removal esp. from air supplied to locomotives or carriages |
| 02/24/1993 | EP0528696A2 Directional air diffuser panel for clean room ventilation system |
| 02/24/1993 | CA2076458A1 Air processing process in a ventilation or air conditioning complex and means of achieving |
| 02/23/1993 | US5188645 Method and apparatus for dew point adjustment using dry dehumidifier |
| 02/23/1993 | US5188169 Heater-humidifier-dehumidifier unit |
| 02/18/1993 | WO1993003311A1 Temperature control apparatus and a central unit for temperature control apparatus |
| 02/18/1993 | CA2114938A1 Temperature control apparatus and a central unit for temperature control apparatus |
| 02/17/1993 | CN2126964Y Air freshing unit |
| 02/16/1993 | US5187635 Surface cleaning apparatus and method |