| Patents for F24F 1 - Room units, e.g. separate or self-contained units or units receiving primary air from a central station (21,281) |
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| 01/02/1992 | EP0463342A2 Variable air filter arrangement for convection and ventilation air currents |
| 12/31/1991 | US5076065 High saturation efficiency indirect and indirect/direct evaporative cooling process and apparatus |
| 12/27/1991 | EP0462402A1 Discharge |
| 12/25/1991 | CN2091436U Body-dividing air conditioner |
| 12/24/1991 | US5074116 Partition type radiation local air conditioning unit |
| 12/17/1991 | US5072878 Air conditioning apparatus |
| 12/12/1991 | WO1991019135A1 Air conditioning system and method |
| 12/11/1991 | EP0460969A2 Cooling apparatus and method |
| 12/11/1991 | CN2090496U Sunstroke preventing device |
| 12/10/1991 | US5071027 Convector tray for a fan coil unit |
| 12/09/1991 | CA2084753A1 Air conditioning system and method |
| 12/04/1991 | EP0459768A1 Control device for air conditioner |
| 11/19/1991 | US5065597 Dual side discharge air housing for room air conditioner |
| 11/19/1991 | US5065596 Dual louvered side air discharge openings for room air conditioner |
| 11/05/1991 | US5062276 Humidity control for variable speed air conditioner |
| 10/30/1991 | EP0454652A1 Apparatus for ventilating a room |
| 10/29/1991 | US5060717 Air conditioner |
| 10/25/1991 | CA2034115A1 Air treatment apparatus |
| 10/15/1991 | US5056447 Rein-deer kite |
| 10/15/1991 | US5056333 Air conditioner with ventilating means |
| 10/09/1991 | EP0450273A2 Air conditioner |
| 10/02/1991 | EP0449628A2 Air conditioning system |
| 10/02/1991 | EP0448935A2 Air conditioner |
| 10/02/1991 | CN1055050A Air conditioner and its control method of blowing direction |
| 09/24/1991 | US5051560 Heated second window in a double glazing system |
| 09/24/1991 | US5050488 Method of locking a pivotable assembly for shipping |
| 09/24/1991 | US5050391 Method and apparatus for gas cooling |
| 09/24/1991 | CA1289407C Duct mounting structure for prefabricated curtain wall with air conditioning system |
| 09/24/1991 | CA1289406C Prefabricated window unit with air conditioning system |
| 09/17/1991 | US5048304 Portable air conditioning apparatus having large water supplying capacity to evaporation type condenser therein |
| 09/17/1991 | CA1288962C Self-draining base pan for an air conditioner |
| 09/11/1991 | EP0314762A4 Air conditioning apparatus |
| 09/11/1991 | CN2084593U Micro ice cooling air conditioner |
| 09/10/1991 | US5046549 Separate air-conditioner |
| 09/10/1991 | US5046406 Adjustable louver assembly for a room air conditioner |
| 09/10/1991 | US5046323 Multi-system air conditioner |
| 09/03/1991 | US5044425 Air conditioner having a refrigerant heater |
| 09/03/1991 | US5044260 Air distribution unit |
| 09/02/1991 | CA2011421A1 Ventilation window unit |
| 08/28/1991 | EP0443780A2 Air-conditioner |
| 08/28/1991 | CN2083731U Multi-function air conditioner |
| 08/28/1991 | CN2083720U Semi-conductor cool/hot air machine |
| 08/27/1991 | US5043532 Integral type air conditioner |
| 08/27/1991 | US5042269 Fan coil unit with snap securing fan housing |
| 08/21/1991 | EP0442028A1 Dual installation for an air conditioning unit |
| 08/20/1991 | CA1287825C Adjustable fan motor mount for a room air conditioner |
| 08/14/1991 | EP0441553A2 Coolness storage air conditioner appliance |
| 08/13/1991 | US5038577 Air intake arrangement for air conditioner with dual cross flow blowers |
| 08/13/1991 | CA2031425A1 Air conditioner with dual cross flow blowers |
| 08/07/1991 | EP0281631B1 Installation for indirect evaporative cooling of air in an object |
| 08/06/1991 | US5036906 Independent unit for heat exchange between a primary fluid and a secondary fluid, particularly air for ventilation and air conditioning of a room |
| 08/06/1991 | US5036676 Method of compressor current control for variable speed heat pumps |
| 08/01/1991 | WO1991011271A1 Device and method for ventilation |
| 08/01/1991 | DE4002560A1 Air conditioner for single room - has two part housing of which one contains two fans and heat exchanger |
| 08/01/1991 | CA2050474A1 Device and method for ventilation |
| 07/31/1991 | EP0263166A4 Air conditioning apparatus |
| 07/30/1991 | US5035116 Apparatus to adapt a window air conditioning unit to a sliding glass window sill |
| 07/24/1991 | EP0389623A4 Indirect-evaporation gas cooling apparatus |
| 07/24/1991 | CN2081502U Tube type air conditioner |
| 07/17/1991 | EP0409984A4 Indirect-evaporation air cooling method |
| 07/17/1991 | EP0388471A4 Method and apparatus for indirect evaporation cooling |
| 07/17/1991 | CN2081076U Air conditioning heat exchanger |
| 07/16/1991 | US5031412 Electronic evaporative cooler controller |
| 07/10/1991 | EP0436319A2 Plastic water box for a thermoelectric air conditioner |
| 07/09/1991 | US5029810 High performance damper blade and damper seal combination |
| 07/09/1991 | US5029449 Heat pump booster compressor arrangement |
| 07/06/1991 | CA2033606A1 Plastic water box for a thermoelectric air conditioner |
| 07/03/1991 | CN2080146U Power saving air conditioner |
| 07/02/1991 | US5027614 L-shaped one-package type air conditioner and a bracket for installing the same |
| 06/26/1991 | EP0434424A2 Portable type air conditioning apparatus |
| 06/19/1991 | EP0432264A1 Work station using radiant air conditioning partition |
| 06/19/1991 | CN2079269U Wind cooling type energy air conditioner |
| 06/18/1991 | US5024065 Air conditioning system for confined spaces |
| 06/13/1991 | WO1991008424A1 Heat-exchange element for installation of indirect evaporative cooling |
| 06/05/1991 | EP0430712A1 Method and apparatus for treating a gas or liquid |
| 06/04/1991 | US5020320 Engine driven heat pump system |
| 05/31/1991 | CA2031036A1 Method and apparatus for treating a gas or liquid |
| 05/29/1991 | DE3938875A1 Mobile air conditioner stores energy in phase-change - medium for subsequent usage in heating water supply |
| 05/22/1991 | EP0428414A1 Air conditioning method and apparatus |
| 05/22/1991 | CN2077525U Window air condtitioner with apparatus for treating condensate |
| 05/14/1991 | US5014609 Inductive air passage |
| 05/02/1991 | EP0424614A1 Airconditioning unit |
| 04/30/1991 | US5010742 Actuation mechanism for vent and exhaust doors |
| 04/24/1991 | EP0423340A1 Spot air conditioner |
| 04/24/1991 | CN1012449B Controlling device for air-conditioning fun |
| 04/23/1991 | US5010234 Device for air-conditioning premises with exchange of heat energy by low temperature infrared radiation |
| 04/23/1991 | US5009683 Purifying air conditioner |
| 04/17/1991 | EP0422942A2 An air conditioning apparatus |
| 04/17/1991 | CN2075313U Air-conditioning device with low energy consumption and full new air supply |
| 04/10/1991 | EP0421699A2 Portable air conditioning apparatus and method for controlling the same |
| 04/09/1991 | US5005368 Coolness storage air conditioner appliance |
| 04/04/1991 | WO1991004164A1 Air-conditioning unit for motor vehicles, in particular omnibuses |
| 03/26/1991 | CA1281935C Personal environmental module |
| 03/19/1991 | US5000011 Engine driven air conditioning apparatus |
| 03/14/1991 | DE4026868A1 Room air-conditioner with facility for coolant recovery - has coolant from inner assembly forced back into outer assembly for operation with min. loss |
| 03/13/1991 | CN1012006B Air conditioning apparatus |
| 03/12/1991 | US4998414 Air conditioning system |
| 03/07/1991 | WO1991002927A1 A method of and an arrangement for cooling a building |
| 03/07/1991 | DE4017272A1 De-centralised air conditioner in building - has separate hot and cold air shafts and outer air supply to maintain constant temp. |
| 03/06/1991 | CN2072659U Energy-saving cold air machine |