| 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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| 01/27/1994 | DE4224391A1 Filter to remove smells and pollutants from air arising from technical and biological processes - comprising sealed box contg. filter material maintained at controlled temp. |
| 01/26/1994 | CN2154425Y Air conditioner with air fresh |
| 01/25/1994 | US5281401 Container containing cartridge which dispenses liquid as a vapor, conduit, intermittently operable air and vapor pump, timer |
| 01/19/1994 | CN2153731Y Energy-saving domestic air conditioning humidifier |
| 01/19/1994 | CN2153361Y Sterilizing health apparatus |
| 01/18/1994 | US5279632 Planar clean room ceiling structure |
| 01/18/1994 | US5279609 Air quality-temperature controlled central conditioner and multi-zone conditioning |
| 01/18/1994 | US5279131 Multi-airconditioner |
| 01/18/1994 | US5279128 Dehumidifying apparatus with electronic refrigeration unit |
| 01/12/1994 | EP0578371A1 A sorbing sheet and a sorbing laminate |
| 01/12/1994 | EP0308497B1 High efficiency sensible and latent heat exchange media with selected transfer for a total energy recovery wheel |
| 01/12/1994 | CN2153007Y Small air humidifying purifier |
| 01/12/1994 | CN2153006Y One driving n split-type air-conditioner |
| 01/12/1994 | CN1080709A Multi-function cooling and heating machine |
| 01/11/1994 | US5277654 Method and apparatus for protectively transporting contaminated personnel and the like |
| 01/11/1994 | US5277036 Cooler, heater, and blower assembled in variety of configurations |
| 01/11/1994 | US5277034 Air conditioning system |
| 01/06/1994 | WO1994000725A1 Serpentine heat pipe and dehumidification application in air conditioning systems |
| 01/06/1994 | WO1994000724A1 Heat and material exchange reactor |
| 01/05/1994 | CN2152173Y Room air humidification and purifier |
| 01/05/1994 | CN2152172Y Multifunction air regulation and purifier |
| 01/05/1994 | CN2152171Y Air purifying and cleaning machine |
| 01/05/1994 | CN2152170Y Full heat exchanging air purifier |
| 01/04/1994 | US5276630 Of an HVAC system |
| 01/04/1994 | US5275333 Air conditioning system providing for individual work station control |
| 12/29/1993 | EP0575533A1 Process-chamber flow control system |
| 12/29/1993 | EP0575523A1 Flow regulator adaptable for use with exhaust from a process chamber |
| 12/29/1993 | EP0341241B1 Hypobaric storage of respiring plant matter without supplementary humidification |
| 12/29/1993 | CN2151410Y 大自然型空调器 Nature-type air conditioner |
| 12/29/1993 | CN2151409Y Air heating and moistening coal stove |
| 12/29/1993 | CN2151408Y Water cooling/heating air conditioner |
| 12/29/1993 | CN2151407Y Direction reversing unit for indoor part of seperate air conditioner |
| 12/28/1993 | US5273690 Having a carrier of breakable cells with fragile walls holding air freshener ingredients releasable by a discharging air stream |
| 12/28/1993 | US5272885 Air-conditioning apparatus having heat source unit and plural indoor units connected to the heat source unit |
| 12/22/1993 | EP0575063A1 Air conditioner |
| 12/21/1993 | US5271558 Remotely controlled electrically actuated air flow control register |
| 12/15/1993 | EP0573906A2 Cleaning device for sterile rooms |
| 12/15/1993 | CN2149581Y Multi-purpose air purifying coditioner |
| 12/15/1993 | CN2149580Y Indoor fume remover able to spray good odor |
| 12/14/1993 | US5269153 Apparatus for controlling space heating and/or space cooling and water heating |
| 12/09/1993 | WO1993024791A1 Device for indirect-transpiration air cooling |
| 12/09/1993 | WO1993024168A1 Portable air conditioner |
| 12/09/1993 | CA2137006A1 Portable air conditioner |
| 12/08/1993 | CN2148914Y Whirlwind dry steam humidifier |
| 12/07/1993 | US5268009 Containing ionizer |
| 12/07/1993 | US5267895 Air circulation system |
| 12/02/1993 | DE4218299A1 High capacity refrigeration appts. for deep-freezing, air-conditioning or building heating - uses air as working medium compressed nearly isothermally and comprises continuously working rotating machines for delivering large vol. flows, e.g. with screws for compressing refrigerant vapour |
| 12/01/1993 | CN1079043A Controlling apparatus in air conditioner |
| 11/30/1993 | US5265442 Non-compressive auxiliary air conditioning system |
| 11/30/1993 | US5265433 Air conditioning waste heat/reheat method and apparatus |
| 11/30/1993 | CA1324730C Air treatment facility for ventilating and conditioning a plurality of rooms, and air treatment module for said facility |
| 11/29/1993 | CA2097165A1 Air conditioner |
| 11/24/1993 | CN2147455Y Air conditioner with air purifying and refreshing device |
| 11/24/1993 | CN2147454Y New structure moisture eliminating frame |
| 11/23/1993 | US5264015 Screen having an air cleaning function |
| 11/23/1993 | US5263897 Fluid suction nozzle and fluid-treating apparatus |
| 11/23/1993 | US5263333 Multi-type air conditioner system with optimum control for gaseous flow adjustment valve and liquid expansion valve |
| 11/23/1993 | CA1324489C Heating and cooling systems |
| 11/18/1993 | EP0570130A2 Air conditioner |
| 11/18/1993 | EP0445175B1 A method and apparatus for drying air |
| 11/17/1993 | CN2146676Y Filter element of air cleaner |
| 11/17/1993 | CN2146675Y Energy-saving scavenging air conditioner |
| 11/17/1993 | CN2146674Y Multi-stroke efficient hot-air generator |
| 11/16/1993 | US5261483 Control system for a fan coil of an air-conditioner |
| 11/11/1993 | WO1993022603A1 A method and a system for disinfecting air in air conditioning ducts |
| 11/11/1993 | WO1993022602A1 Temperature and humidity control system and control method therefor |
| 11/11/1993 | WO1993021997A1 Installation for fighting fire |
| 11/10/1993 | CN2145946Y Multifunctionalindoor air purifier |
| 11/10/1993 | CN2145945Y Drum wall field shunt permanent-magnet oxygenator |
| 11/10/1993 | CN2145944Y Multifunctional high efficient air conditioner |
| 11/09/1993 | US5259816 For mounting in the ceiling of a room |
| 11/09/1993 | US5259812 Clean room and clean room containment center |
| 11/09/1993 | US5259203 Apparatus and method for extracting potable water from atmosphere |
| 11/09/1993 | CA1324021C Method and apparatus for the air conditioning of rooms |
| 11/04/1993 | DE4313976A1 Total energy heat exchanger with reduced odour transmission - incorporates absorbent having equilibrium isotherm without sudden increase in absorption above 40 per cent relative humidity |
| 11/03/1993 | EP0567775A2 Room air treating process for the human domain |
| 11/03/1993 | CN2145346Y Air fresh apparatus |
| 11/03/1993 | CN2145345Y Cabinet air purifying machine |
| 11/03/1993 | CN2145344Y Window efficiente ozone purifier |
| 11/03/1993 | CN2145343Y Air purifying wet and oxygen anion device for room |
| 11/03/1993 | CN2145342Y Multifunction air wet apparatus for household |
| 11/03/1993 | CN2145341Y Thermose air-exchange air conditioner |
| 11/03/1993 | CN1078037A Air-conditioning apparatus |
| 11/03/1993 | CN1078036A Anion generating air purifier |
| 10/28/1993 | WO1993020922A1 Apparatus for enhancing the environmental quality of work spaces |
| 10/28/1993 | WO1993018543A3 System for transferring substrates in clean rooms |
| 10/28/1993 | DE4306692A1 Ceiling mounted air distribution conduit - has bottom outlets covered by air permeable strip material which moves between cassettes at both ends of conduit |
| 10/28/1993 | DE4234208C1 Air lock filter - has filter box at outer side of chamber door and can be used for chambers of varying sizes |
| 10/28/1993 | DE4213161A1 Magazine reducing relative air humidity - has box and lid lined with natural cork and sealed off airtight by joint when shut |
| 10/28/1993 | CA2094302A1 Ozone generation apparatus |
| 10/27/1993 | EP0567200A2 A self-cleaning hood for recirculating and purifying air |
| 10/27/1993 | CN2144789Y Multi-hanging type air conditioner |
| 10/26/1993 | US5256105 Washable seamless clean room |
| 10/26/1993 | US5255710 Process-chamber flow control system |
| 10/26/1993 | US5255709 Flow regulator adaptable for use with process-chamber air filter |
| 10/20/1993 | EP0566051A1 Air filter and method for reducing the amount of microorganisms in contaminated air |
| 10/20/1993 | CN2144267Y Multifunctional household air-conditioner |
| 10/20/1993 | CN1077523A Cold wind fan |
| 10/16/1993 | CA2094008A1 Air filter and method for reducing the amount of microorganisms in contaminated air |
| 10/14/1993 | WO1993020580A1 Device and method for handling objects |