| 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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| 02/16/1993 | US5186869 Electronically controlled central air freshening system and method for using same |
| 02/10/1993 | EP0526553A1 Air supply device. |
| 02/10/1993 | EP0386194B1 A dehumidifier |
| 02/04/1993 | WO1993002324A1 Means in air heating system, e.g. for dwellings |
| 02/04/1993 | WO1993002323A1 Environmental control in a confined workplace |
| 02/03/1993 | EP0399003B1 Personal environmental module |
| 02/03/1993 | CN1068663A "smell" film and automatic purifying and controlling device of air |
| 02/02/1993 | US5183098 Air to air heat recovery ventilator |
| 02/02/1993 | US5182921 Solar dehumidifier |
| 01/28/1993 | DE4124808A1 Air supply module - for maintaining controlled positive pressure within enclosure, partic. clean-room environment by adjustment of inlet flow area |
| 01/27/1993 | CN1068410A Multifunctional heat-energy air conditioner |
| 01/26/1993 | US5182542 Smoke alarm and air cleaning device |
| 01/26/1993 | US5181884 Ventilating device for baseboard heater |
| 01/26/1993 | US5181552 Method and apparatus for latent heat extraction |
| 01/26/1993 | US5181392 Air conditioner and heat exchanger used therein |
| 01/26/1993 | US5181387 Air conditioning apparatus |
| 01/21/1993 | WO1993001572A1 Smoke alarm and air cleaning device |
| 01/21/1993 | WO1993001455A1 Method and means for the elimination of eddies in corners of rooms with laminar air flow and use of said means |
| 01/21/1993 | WO1993001454A1 Clean-room ceiling module |
| 01/21/1993 | WO1993001453A1 Curative air conditioner |
| 01/21/1993 | WO1993001452A1 Heat recovery unit for use in air conditioners |
| 01/21/1993 | WO1993001451A1 Energy and space saving single-unit air conditioner for processing room air, with integrable heat recovery |
| 01/21/1993 | CA2110694A1 Clean-room ceiling module |
| 01/19/1993 | US5180552 Room air purification |
| 01/19/1993 | US5180332 Air circulation system |
| 01/19/1993 | US5180102 Temperature control system for zoned space |
| 01/19/1993 | US5179998 Heat recovery ventilating dehumidifier |
| 01/14/1993 | DE4223005A1 Regenerative heat-exchanger - has air-passage walls dividing ribs and slotted nozzles either side or rotor |
| 01/14/1993 | DE4122582A1 Modul zum aufbau einer reinraumdecke Module for building a clean room ceiling |
| 01/13/1993 | EP0522439A1 Curative air conditioner |
| 01/13/1993 | EP0521959A1 Ventilation apparatus. |
| 01/13/1993 | CN2126557Y Air conditioning machinery |
| 01/07/1993 | WO1993000149A1 Environment treatment |
| 01/07/1993 | CA2111576A1 Environment treatment |
| 01/05/1993 | USRE34154 Suction guide device for dehumidifier |
| 01/05/1993 | US5176319 Method and apparatus for dispelling fog |
| 01/05/1993 | US5176005 Method of conditioning air with a multiple staged desiccant based system |
| 12/30/1992 | CN2126393U Air purifier |
| 12/30/1992 | CN2126392U Air-humidification purificator |
| 12/30/1992 | CN1067497A Central cooling system for buildings |
| 12/29/1992 | US5174967 Aroma supplied to air flow |
| 12/29/1992 | US5174126 Air conditioning system |
| 12/23/1992 | CN2125791U Roof horizontal comprehensive air conditioner |
| 12/22/1992 | US5172565 Air handling system utilizing direct expansion cooling |
| 12/17/1992 | DE4227148A1 Humidity reducing appts. for unheated rooms - uses Peltier element to condense water from cooled air and then warms dehumidified air from heat dissipated by element |
| 12/17/1992 | DE4119503A1 Assembly to introduce, extract, circulate or mix air in rooms - facilitating use of low cost thin filter materials which can be easily exchanged by unskilled people |
| 12/16/1992 | EP0517827A1 Method and means to prevent condensation in monocoque structures. |
| 12/15/1992 | US5170637 Containing electrolytic cell; air pollution control |
| 12/15/1992 | US5170635 Defrost for air handling system utilizing direct expansion cooling |
| 12/15/1992 | US5170633 Desiccant based air conditioning system |
| 12/09/1992 | EP0517606A2 Device and process to introduce sterile objects in a sterile space |
| 12/09/1992 | CN2124423U High-efficiency energy-saving spray air conditioner |
| 12/08/1992 | WO1992021920A1 Apparatus for handling highly active materials |
| 12/08/1992 | US5169418 Clean room arrangement |
| 12/08/1992 | US5169414 Rotary adsorption assembly |
| 12/08/1992 | CA2089082A1 Apparatus for handling highly active materials |
| 12/08/1992 | CA2070461A1 Method and device for introducing sterile objects into a clean volume |
| 12/03/1992 | DE4117944A1 Process and assembly to recover heat from moist gases - involves increasing level of moisture in gas by passing through a humidifier and heat released is returned to humidifier useful in chemical plants and factories |
| 12/02/1992 | CN2123725U Inner disinfecting device special for air conditioner |
| 12/02/1992 | CN2123724U Anion air clarifying filter for indoors |
| 12/02/1992 | CN2123723U Infrared ray wet remover |
| 12/02/1992 | CN1066721A Multifunctional air purifier and its air washing method |
| 12/01/1992 | US5167877 Air purifier with perfume dispensing control |
| 12/01/1992 | US5167681 Air filtration unit |
| 12/01/1992 | US5167679 Rotary gas treating apparatus |
| 12/01/1992 | US5167677 Variable air filter system for convection and ventilation air flows |
| 12/01/1992 | US5167491 High to low side bypass to prevent reverse rotation |
| 12/01/1992 | US5167366 Duct pressure synthesis for air distribution system |
| 12/01/1992 | CA1310920C Moist air drying apparatus |
| 11/26/1992 | WO1992020974A1 Disinfectant system |
| 11/25/1992 | CN2123031U Welding smoke purifier |
| 11/19/1992 | EP0514086A2 Air conditioning apparatus |
| 11/19/1992 | EP0513734A2 Process for conditioning air in a closable space and testing arrangement |
| 11/19/1992 | DE4115917A1 Air conditioning method for chemical test chamber |
| 11/19/1992 | DE4115915A1 Air conditioning method for chemical test chamber |
| 11/19/1992 | DE4115586A1 Air conditioning method for chemical test chamber |
| 11/19/1992 | DE4114762A1 Paint line for car bodywork - has whole operating side area hermetically closed and formed as clean chamber accessible by personnel sluices |
| 11/18/1992 | CN2122348U Wet type air purifier |
| 11/18/1992 | CN1066325A Deep dehumidification apparatus with semiconductor refrigeration |
| 11/17/1992 | US5163503 Multi-type air conditioner with dew formation protection function in distribution unit |
| 11/15/1992 | WO1992020406A1 Filter |
| 11/15/1992 | CA2104579A1 Filter |
| 11/12/1992 | WO1992019922A1 Booster heat pipe for air conditioning systems |
| 11/12/1992 | DE4115171A1 Clean-room fan-and-filter unit - has annular chamber between cone surfaces leading from fan to pressure chamber with filter |
| 11/12/1992 | DE4114915A1 Domestic refrigerator or freezer housed in temperate region - has condenser arranged in flow duct for cooling air connected to cooling air line supplied by cooling air e.g. from cell of building |
| 11/12/1992 | DE4114867A1 Air conditioning of air supply for emulsion paint spray cabin - controlling humidity matched to each exterior air temp. and fixing of constant psychrometric temp. difference measured by known psychrometer |
| 11/11/1992 | CN2121644U Fresh air machine |
| 11/11/1992 | CN2121643U Air conditioner |
| 11/11/1992 | CN1066116A Air-air heat pump air conditioner unit |
| 11/10/1992 | US5162020 Automotive air-conditioner with variable-length damper |
| 11/10/1992 | US5161608 Air conditioning system for a building |
| 11/10/1992 | US5161388 Multi-system air-conditioning machine in which outdoor unit is connected to a plurality of indoor units |
| 11/04/1992 | EP0511736A2 Air ventilation system |
| 11/04/1992 | EP0511576A2 Fluid suction nozzle and fluid-treating apparatus |
| 11/04/1992 | CN2120986U Indoor potted flower with air purification function |
| 11/03/1992 | US5160517 System for purifying air in a room |
| 11/03/1992 | US5159817 Refrigerant path apparatus |
| 10/31/1992 | CA2067575A1 Air ventilation system |
| 10/29/1992 | WO1992018758A1 Device for the catalytic decontamination of exhaust gases |
| 10/29/1992 | WO1992018757A1 Device for the catalytic conversion of exhaust gases |