Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 7 - Ventilation
Patents for F24F 7 - Ventilation (13,941)
11/2003
11/13/2003US20030211825 Methods and apparatus for storing and delivering air to buildings
11/13/2003US20030211824 Light diffusing apparatus
11/12/2003EP1360442A1 Rotor ventilator
11/12/2003EP1360389A1 Fan assembly and storage chamber utilising a fan assembly
11/12/2003CN1455192A Bionic respiratory closed space heating and ventilating system
11/12/2003CN1455190A Indoor air-collecting and outdoor oxygen generating method and its split oxygen generator
11/11/2003US6646560 Window fan with rain sensing control
11/07/2003CA2427720A1 Light diffusing apparatus
11/06/2003US20030207664 Device for integrating a vacuum pumping system in a clean room false floor of a semiconductor component manufacturing plant
11/06/2003US20030207663 Method and apparatus for reducing respiratory illnesses among occupants of buildings
11/06/2003US20030207662 Fume hood exhaust stack system
11/06/2003US20030205274 Semiconductor component manufacturing plant with ventilated false floor
11/06/2003DE20313136U1 Aerating and ventilating device for large and small rooms has air to air heat exchanger, reversible fan and hood for opening fitted in housing
11/05/2003EP1359605A2 Integration device for a vacuum pumping system in a clean room false floor of a semiconductor components factory
11/05/2003EP1359604A2 Semiconductor components manufacturing facility comprising a ventilated false floor
11/05/2003EP1358437A1 Device for affecting rooms or components thereof
11/05/2003CN2585101Y Energy-saving universal ventilation exhaustion device
11/04/2003US6641364 Apparatus for minimizing noise in a fan unit
10/2003
10/29/2003EP1356240A1 Adjustable damper for airflow systems
10/29/2003EP1356239A1 A biological filter system and a housing for a biological filter system
10/29/2003EP1355680A2 Apparatus and method for deodorizing and/or freshening air
10/29/2003CN2583550Y Dust-filtering ventilating window
10/29/2003CN1126230C Motor having universal fan end bracket
10/28/2003US6638338 Biological filter system and a housing for a biological filter system
10/23/2003US20030199244 Air quality control system based on occupancy
10/22/2003CN2581848Y Full-automatic double-safety protector for preventing indoor gas fron leakage
10/22/2003CN1450367A Optical diffusion barrier and relative back light module
10/22/2003CN1450321A Built-in exhausting hood
10/22/2003CN1450008A Heat treatment device with filter dust discharging function
10/22/2003CN1125280C Method of vortex ventilating
10/22/2003CN1125279C Lower discharging and upper absorbing air conditioning method
10/22/2003CN1125245C Fan guard of blower unit and air conditioner
10/21/2003US6635153 Air purification device
10/21/2003US6634939 Ventilation system and method
10/16/2003WO2003085327A1 Heat recuperator with frost protection
10/16/2003US20030194816 Method of collecting chemically contaminating impurity constituents contained in air
10/15/2003EP1353091A1 Toroidal continuously variable transmission
10/15/2003EP1003943B1 Safety device for preventing a skylight from being opened from outside
10/15/2003CN1448963A Resistor for driving air-conditioner fan motor
10/15/2003CN1448665A Indoor air automatic sanitation machine
10/15/2003CN1448663A Apparatus and method for realizing air-change by utilizing detachable air conditioner inner suction
10/14/2003US6632260 Adjustable clean-air flow environment
10/14/2003US6632132 Tornado type intake and blowing device
10/14/2003CA2405534C Roof vent
10/14/2003CA2233271C Ridge cap roof ventilator applied in assembled, rolled form and method of installing same
10/09/2003WO2003083375A1 Grid ceiling with cooling, heating and ventilation function
10/09/2003WO2003083242A1 Double-glazed thermoinsulated external wall
10/09/2003US20030190886 Work working method and apparatus, cassette, and unit for printing apparatus
10/09/2003US20030190885 Cool air ventilation system
10/09/2003US20030190883 Turbine ventilator
10/09/2003US20030188734 Built-in aspirating hood
10/08/2003EP1351024A2 Built-in aspirating hood
10/08/2003CN2578711Y Air exchanging fans
10/08/2003CN2578710Y Air exchanger without energy consumption
10/08/2003CN1447031A Device and method enabling noise minimization of blower filter
10/02/2003US20030186641 Room ventilating apparatus
10/02/2003US20030184429 Resistor for driving motor for air conditioner blower
09/2003
09/25/2003WO2003078571A2 Anti-infection and toxin elimination device
09/24/2003EP1347247A2 Construction element ventilation device and its mounting process
09/24/2003EP1345669A1 Apparatus and method for wet filtering machine exhaust
09/24/2003EP1345668A1 Filter element
09/23/2003US6623550 Apparatus for controlling air quality
09/23/2003US6622508 Method for heat and humidity exchange between two air streams and apparatus therefor
09/18/2003WO2003075701A1 Vertical ventilator fan for external and/or internal use
09/17/2003EP1102620B1 Moving sorbent filter device
09/17/2003CN2573913Y Blowing non-detaching-and-cleaning exhaust machine
09/17/2003CN1443292A Device for ventilation system
09/17/2003CN1442638A Energy saving automatic scavenging machine
09/17/2003CN1442637A Tunnel wind air conditioning device of improving hoggery hot environment
09/17/2003CN1121581C Device for mounting scavenger fan
09/16/2003US6621058 Wall-mounted microwave oven with air curtain guide
09/16/2003US6621057 Hooded microwave oven with independently formed exhaust and cooling airflow passages
09/16/2003US6620040 Moisture venting structure for the construction of walls
09/16/2003US6620038 Suction and exhaust device
09/16/2003CA2280320C Roof vent
09/16/2003CA2134202C A method and a system for disinfecting air in air conditioning ducts
09/14/2003CA2377798A1 Odor sucker
09/11/2003US20030171093 Vertical ventilator for outdoors and/or indoors
09/11/2003US20030171090 Room ventilating apparatus
09/11/2003US20030167922 Method for cleaning air and apparatus therefor, and method for humidifying air and apparatus therefore
09/10/2003CN2572273Y Automatic smoke exhauster
09/10/2003CN2572272Y Fresh air scavenger
09/10/2003CN1120961C Air purifier
09/09/2003US6616526 Clean room and method for fabricating semiconductor device
09/09/2003US6616524 Raised floor air handling unit
09/09/2003US6616404 Ventilation fan
09/04/2003WO2003073007A1 Extractor hood and method for extracting and/or purifying contaminated carriers
09/04/2003WO2003072950A1 Fan
09/04/2003WO2003072222A2 Filter system for a range hood
09/04/2003CA2475988A1 Filter system for a range hood
09/04/2003CA2475259A1 Extractor hood and method for extracting and/or purifying contaminated carriers
09/03/2003CN2570665Y Natural air roof ventilation apparatus
09/03/2003CN2570664Y Two-way air exchanger
09/03/2003CN1440492A Ventilating device and building therewith
09/03/2003CN1120334C Exhaust system for kitchens
09/02/2003US6612924 Passive venting device
09/02/2003US6612084 Clean room and method
09/02/2003CA2243015C Hooded exhaust vent
08/2003
08/28/2003WO2003038283A3 Smoke protection for rooms
08/28/2003US20030162491 Local exhausting and ventilating methods, and local exhausting device and local ventilating system
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