Patents for F24F 7 - Ventilation (13,941)
06/1999
06/30/1999CN2326892Y Air-purifying cover
06/29/1999US5916023 For covering over the exit opening of a hooded exhaust vent
06/29/1999US5915916 Actuator
06/24/1999DE19755807A1 Building with glass facade in front of outer wall
06/23/1999EP0924473A2 Ventilating system for a roof
06/19/1999CA2252489A1 Domestic apparatus for detecting and expulsing gas
06/17/1999WO1999030088A1 Covering system for buildings
06/16/1999EP0922912A2 Ventilation Discharge
06/16/1999CN2324474Y Scavenger fan with oil catcher
06/16/1999CN2324473Y Indoor and outdoor automatic air exchanger
06/15/1999US5912423 Method and means for purifying air with a regenerable carbon cloth sorbent
06/15/1999US5911751 Intergrated air conditioner
06/15/1999CA2159790C Control of prime mover in hvac distribution system
06/10/1999WO1999028571A1 Roof ventilation
06/09/1999CN2323299Y Ice storage electric fan
06/08/1999US5910045 Air discharge unit for underfloor air conditioning and underfloor air conditioning system using same
06/02/1999EP0919778A2 Balanced vent
06/02/1999EP0776447A4 Air flow control for pressurized room facility
06/02/1999DE19741161A1 Air-conditioning apparatus with separate forced air streams through the evaporator and the condenser of the refrigeration system
06/01/1999US5909534 Ventilator with far infrared generators
06/01/1999CA2002780C Roof window and a large room installation with a number of such windows
05/1999
05/27/1999DE19751986A1 Hall heating system with integral hot air feedback
05/26/1999CN2320938Y Humidifying cooling air cooler
05/26/1999CN2320937Y Ventilating device for thermostatic, constant humidity control system
05/26/1999CN1217452A Wall microwave oven and control method for output thereof
05/25/1999CA2159765C Global control of hvac distribution system
05/20/1999WO1999024761A2 Air-conditioning device for technical premises such as measuring rooms
05/20/1999DE19750696A1 Building evaporation pipe system
05/20/1999DE19750276A1 Filter for domestic chimneys
05/19/1999EP0915713A1 Method and device for sheer filtering and desinfection of breathing air
05/19/1999CN2319738Y Inducing injector
05/18/1999US5904751 Purifying gas or vapor stream contaminated with fats or oils from household, commercial, or industrial cooker
05/12/1999DE19749094A1 Air-conditioning system for measuring rooms
05/12/1999CN2318560Y Miniature air conditioning scavenger fan
05/11/1999US5902432 Method of making a rolled roof vent
05/11/1999US5901665 Cage battery for poultry keeping
05/06/1999WO1999022184A1 Air-conditioning device
05/06/1999EP0912865A1 Make-up air handler with direct expansion dehumidification
05/06/1999EP0912864A1 Fan air cleaner
05/06/1999DE19850094A1 Wall box for passage of air in and out of external wall
05/04/1999CA2091285C Fume hood with adjustable baffle assembly
04/1999
04/28/1999EP0911459A1 Ventilating element for ridge or roof hip
04/22/1999WO1999019052A1 Air cleaner
04/22/1999WO1998031481A8 Fume hood having a bi-stable vortex
04/22/1999DE19746305A1 Cooling method for rooms
04/21/1999EP0909926A1 Double flow ventilation system
04/21/1999EP0909576A1 Exhaust gas purification apparatus
04/21/1999CN2315473Y Forced air supply and exhausting balance device for gas water heater
04/21/1999CN1214434A Scavenger fan for ceiling
04/21/1999CN1214433A Energy-saving air interchanger
04/20/1999CA2140163C Exhaust fan apparatus
04/14/1999CN2314025Y Yurt heated with wind driving pendulum style impeller
04/13/1999CA2159774C Hvac distribution system identification
04/07/1999EP0729533B1 Window, in particular a skylight
04/06/1999US5890960 Venting system for structures using a ridge vent
04/06/1999US5890484 Exhaust system for kitchens
04/06/1999US5890367 Air conditioning system for semiconductor clean room including a chemical filter downstream of a humidifier
04/06/1999US5890322 Method and apparatus for preventing the formation of ice dams and icicles on the roof of a house
03/1999
03/31/1999CN2312423Y Separated type cabinet like air conditioning fresh wind equipment
03/30/1999US5888261 Rotating element fume collection apparatus
03/24/1999EP0903545A2 Heating, cooling and ventilating system, and room atmosphere conditioning unit for such a system
03/24/1999CN2311719Y Integral smoke ventilation hood in passenger train
03/23/1999US5885153 Eave ventilation system
03/18/1999WO1999013283A1 Heat exchanger
03/18/1999DE19802015A1 Building ventilation system
03/17/1999CN2310954Y Carbon monooxide removing machine for kitchen
03/16/1999US5882938 Apparatus and method for evaluating contamination caused by organic substances deposited on substrate surface
03/16/1999US5882254 Laboratory fume hood controller utilizing object detection
03/11/1999WO1999011984A1 A method and apparatus for minimising noise from fan filter unit
03/11/1999DE19739600A1 Impetus room ventilating system
03/11/1999CA2302177A1 A method and apparatus for minimising noise from fan filter unit
03/10/1999EP0667006B1 Remote region vacuum regulator
03/10/1999CN2310269Y Scavenging fan for circulating, ventilating and purifying indoor air
03/10/1999CN1210227A Air extraction
03/10/1999CN1210207A Method and apparatus for minimising noise from fan filter unit
03/09/1999US5879232 Exhaust fan
03/04/1999WO1999010685A1 Modular integrated terminals and associated systems for heating and cooling
03/04/1999WO1999010610A1 Safety device for preventing a skylight from being opened from outside
03/03/1999EP0899513A1 Air extraction
03/03/1999CN2309513Y Ventilating unit for split air conditioner
03/02/1999US5876281 Pulse air jet generator
03/02/1999US5875965 Air circulation system for redundant arrays of inexpensive disks and method of controlling air circulation
02/1999
02/27/1999CA2211976A1 Blade duster
02/25/1999CA2245520A1 Air extraction
02/17/1999CN2308037Y Portable ventilator
02/10/1999CN2307226Y Pneumatic ventilation cap
02/10/1999CN2307225Y Motorless fan for supplied and exhausted air and air quantity control mechanism
02/10/1999CN2307224Y 电动通风器 Electric ventilators
02/10/1999CN1207476A Air ventillation or air system
02/03/1999EP0895448A2 Device for ventilating electrical and electronic apparatuses and assemblies
02/03/1999CN2306437Y Exhauster for tank side
02/03/1999CN2306436Y Blast device for air-condition bedcover
01/1999
01/28/1999DE19731332A1 Roof ventilation system used in laboratories
01/26/1999US5862981 Ventilation control device for a bathroom
01/25/1999CA2243911A1 An apparatus and system for creating ventilation in building structures
01/21/1999WO1999002927A1 Cleanroom filter unit
01/21/1999WO1999002926A1 Fan module for clean room applications
01/21/1999WO1999002435A1 Slippable roller conveyor for clean rooms
01/19/1999US5862037 PC card for cooling a portable computer
01/19/1999US5860858 Air duct booster fan and control device therefor