| 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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| 03/10/1999 | CN2310266Y Rotary reverse blowing dust remover |
| 03/09/1999 | US5879435 Electronic air cleaner with germicidal lamp |
| 03/09/1999 | US5878596 Power controllable type air conditioner |
| 03/09/1999 | US5878590 Dehumidifying mechanism for auto air conditioner with improved space utilization and thermal efficiency |
| 03/09/1999 | US5878588 Energy saving air cooling system |
| 03/04/1999 | WO1999010684A1 Auctioneering temperature and humidity controller with reheat |
| 03/04/1999 | WO1999010082A1 Device for absorption and a corresponding receiving component |
| 03/03/1999 | EP0672231B1 Method and arrangement for air-conditioning and heating room space |
| 03/03/1999 | CN2309511Y Air cleaner |
| 03/03/1999 | CN2309510Y Gas scavenging device |
| 03/03/1999 | CN1209529A Wet-type air heater |
| 03/02/1999 | US5876489 Germ-removing filter and apparatus for maintaining sterile room under sterile condition |
| 03/02/1999 | US5876281 Pulse air jet generator |
| 03/02/1999 | US5876279 Blower unit for clean room |
| 02/25/1999 | DE19827673A1 Biological purifier for interior air |
| 02/25/1999 | DE19736288A1 Ion room-conditioning ceiling electrode |
| 02/24/1999 | CN2308832Y Steam humidifier |
| 02/24/1999 | CN2308831Y Structure of suspension air conditioner |
| 02/24/1999 | CN2308830Y Splitting air duct type air conditioner |
| 02/24/1999 | CN1208840A Air conditioning apparatus with air cleaning function and electric dust collector for use in the same |
| 02/23/1999 | US5873256 For alerting the humidity level of a passenger cabin of a vehicle |
| 02/23/1999 | CA2120154C Wireless communication system for air distribution system |
| 02/17/1999 | CN2308033Y Sterilization air purification machine |
| 02/17/1999 | CN2308032Y Water tank for air-purification |
| 02/17/1999 | CN2308031Y Air conditioning equipment using ice stored groove |
| 02/17/1999 | CN1208158A Air purifying machine |
| 02/17/1999 | CN1207954A Producing method for ultra-purify air |
| 02/16/1999 | US5871556 Clean room air filter system with self-supporting filter units |
| 02/10/1999 | EP0895570A1 Fabric sheath for ventilation and laminar flow hood |
| 02/10/1999 | CN1207802A Flush lighting system for cleanroom |
| 02/10/1999 | CN1207474A Air conditioner |
| 02/10/1999 | CN1207473A Opened water circulation central air conditioner set |
| 02/03/1999 | CN2306435Y Active carbon fiber filter screen for air purifier |
| 02/03/1999 | CN2306434Y Cabinet-type air-conditioner with air guide |
| 02/03/1999 | CN1206812A Air conditioner and its outdoor unit |
| 02/03/1999 | CN1206811A Ice-storage air conditioning system |
| 02/02/1999 | US5865998 Receiver-dryer assembly and desiccant bag therefor |
| 02/02/1999 | US5865880 Air cleaning system having forced negative pressure generating function |
| 02/02/1999 | US5865674 Flush lighting system for cleanroom |
| 01/28/1999 | WO1999003565A1 Method and installation for eliminating gaseous organic substances in the air |
| 01/27/1999 | EP0893656A2 Compact air supply house |
| 01/27/1999 | CN2305592Y Air conditioner by using gerothermal energy (cold) for saving energy |
| 01/27/1999 | CN2305591Y Separable air conditioner |
| 01/26/1999 | US5863246 To control pressure within a supply duct of a variable air volume system |
| 01/21/1999 | WO1999002927A1 Cleanroom filter unit |
| 01/21/1999 | WO1999002926A1 Fan module for clean room applications |
| 01/21/1999 | WO1999002922A1 Integrated heat recovery ventilator-hepa filter |
| 01/21/1999 | WO1999002242A1 Adsorption apparatus and methods |
| 01/21/1999 | DE19825545A1 Frame construction for inlet chamber of air conditioning plant in building |
| 01/21/1999 | CA2295835A1 Integrated heat recovery ventilator-hepa filter |
| 01/20/1999 | EP0891521A1 Equipment for air supply to a room |
| 01/20/1999 | EP0891519A2 Process and device for confining, retaining and sucking off fumes, dust or the like |
| 01/20/1999 | EP0783656B1 Fragrance evaporator, in particular for toilets |
| 01/20/1999 | CN2304850Y Coiled pipelines of air blower with small water volume and large temperature difference |
| 01/19/1999 | US5861128 Made from a solution of a polymer and a fragrant material, which is applied to an air permeable substrate |
| 01/19/1999 | US5860857 Especially in terms of partial oxygen pressure; normal atmosphere is mixed with nitrogen or oxygen as desired; sports/exercise space or animal shelter |
| 01/19/1999 | US5860592 Variable-air-volume diffuser with independent ventilation air assembly and method |
| 01/19/1999 | US5860284 Thermally regenerated desiccant air conditioner with indirect evaporative cooler |
| 01/19/1999 | CA2170244C Filtering assembly for air intake |
| 01/19/1999 | CA2152360C Desiccant-coated substrate and method of manufacture |
| 01/13/1999 | CN2304058Y Environment-protective air-conditioner |
| 01/13/1999 | CN2304057Y 空气调节器 Air conditioner |
| 01/13/1999 | CN2304056Y Perfuming device special for air-conditioner |
| 01/13/1999 | CN2304055Y Small central air-conditioner |
| 01/13/1999 | CN2304054Y Split air-conditioner |
| 01/13/1999 | CN2304053Y Cooling heating dual-purpose air conditioner |
| 01/13/1999 | CN2303673Y Detachable filtering device |
| 01/13/1999 | CN1204752A Absorption heating and cooling equipment system |
| 01/12/1999 | US5858768 Passing effluent through bed of inert mineral granular material including biomass of autotrophic bacteria which aerobically degrade organic pollutants, sprinkling bed with aqueous liquid, recovering purified and deodorized gas |
| 01/12/1999 | CA2041137C Configuration wiring harness for hvac controller |
| 01/06/1999 | CN2303199Y Fresh air replenishing device for room having air conditioner |
| 01/06/1999 | CN2303198Y Separation and floor type air conditioner |
| 01/06/1999 | CN2303196Y Ecology and universal air regulation machine |
| 01/06/1999 | CN1204392A Mixing box for mixing air streams with different temp. from two tubular channels |
| 01/06/1999 | CN1204027A Defrosting apparatus of air conditioner and method thereof |
| 01/06/1999 | CN1204026A Air conditioner |
| 01/06/1999 | CN1041554C Water storage tank |
| 01/05/1999 | US5857149 Multibroadcast receiver for extracting desired broadcast information based on an identification code |
| 01/05/1999 | US5856250 Ionic substance removing material for use in super-clean room |
| 12/30/1998 | EP0886745A1 Air conditioning and/or heating method and device with a high energy efficiency ratio for multiple-unit buildings |
| 12/30/1998 | EP0775060B1 Device for removing noxious and aromatic matter from an air flow into the interior of a vehicle |
| 12/30/1998 | EP0740760B1 A method concerning a thermal energy distribution system, and a thermal energy distribution system |
| 12/30/1998 | CN2302444Y Cabinet type air conditioning and refrigerating two-purpose machine |
| 12/29/1998 | US5853034 Dispensing system and method for dispensing a concentrated product and container for use therewith |
| 12/23/1998 | EP0886112A2 Combined fume extracting and air-conditioning hood |
| 12/23/1998 | CN2301652Y Indoor negative oxygen ion air conditioner |
| 12/23/1998 | CN2301651Y Household circulation liquid hygroscopic agent air dehumidifying machine |
| 12/23/1998 | CN2301650Y Freon-free multifunction air conditioner |
| 12/23/1998 | CN2301649Y Domestic central air conditioner |
| 12/23/1998 | CN1041347C Air-air heat pump air conditioner unit |
| 12/17/1998 | WO1998056489A1 Ionisation filter for purifying air |
| 12/17/1998 | CA2286856A1 Ionization filter for purifying air |
| 12/16/1998 | EP0884541A2 Clean room atmosphere control |
| 12/16/1998 | EP0884091A2 Heat regenerated adsorber-dryer with heat recovery |
| 12/16/1998 | EP0884090A2 Heat regenerated adsorber-dryer for gases |
| 12/16/1998 | CN2300840Y Domestic sterilizing type air purifier |
| 12/16/1998 | CN2300839Y Dehumidifying rotary wheel |
| 12/16/1998 | CN1201884A Wall-embed outer unit of cooling and heating air conditioner |
| 12/15/1998 | US5850183 Air filter restriction indicating device |
| 12/15/1998 | CA2164039C Liquid spray air purification and controlled humidification apparatus |