Patents for F24F 7 - Ventilation (13,941)
09/1991
09/11/1991EP0446121A1 Blowing door for container of extremely clean confinement
09/10/1991US5046407 Roof window
09/05/1991WO1991013295A1 Ventilating device for shelters, in particular for mobile shelters
09/03/1991US5044259 Air diffusion system capable of limited area control and adapted for supplying make-up air to an enclosure
09/03/1991US5044258 Motor-driven car window fan assembly
08/1991
08/28/1991EP0442932A1 Door-jamb
08/28/1991CN2083721U Manual/antomatic ventilating device for storied building construction
08/28/1991CN2083720U Semi-conductor cool/hot air machine
08/27/1991US5042366 Decorative air temperature equalizing column for room
08/22/1991WO1991012467A1 A heating and ventilation system
08/21/1991EP0441928A1 Metal framed frontage panel and frontage lined with same.
08/14/1991EP0440834A1 Ventilation arrangement for a sanitary conduit
08/08/1991WO1991011272A1 False-ceiling construction and method for the flow of air in connection with a false-ceiling construction
08/08/1991WO1991011267A1 Arrangement for affecting the motions of particles at a movable device
08/06/1991US5036906 Independent unit for heat exchange between a primary fluid and a secondary fluid, particularly air for ventilation and air conditioning of a room
08/01/1991DE4002560A1 Air conditioner for single room - has two part housing of which one contains two fans and heat exchanger
07/1991
07/30/1991US5035172 Roof ventilating apparatus
07/23/1991US5033361 Ventilation equipment
07/23/1991US5033360 Air quality control system
07/16/1991US5031574 Control system for poultry house ventilation curtains
07/16/1991US5031515 Method for regulation of ventilation as well as an air-conditioning device used in the method
07/11/1991WO1991010100A1 Room ventilator
07/10/1991EP0436239A1 Ventilation system
07/09/1991US5029451 Air conditioning apparatus
07/04/1991DE3943193A1 Ventilator for room heated by electrically-controlled fireplace - has timing circuit prolonging admission of air for limited duration after disconnection of power from heater
07/02/1991CA1285420C System for providing energy supply required for a room of a building
06/1991
06/27/1991DE3942017A1 Ventilating system - incorporates unit installed under window, and has fan assisted fresh air supply or exhaust air discharge
06/26/1991EP0433612A2 Weather protection covering device for ventilation devices
06/13/1991WO1991008425A1 Heat recovering ventilator
06/12/1991EP0431742A2 Turbo-air freshener
06/11/1991US5022314 Roof ventilating apparatus
06/11/1991US5022203 Metal roof
06/06/1991DE3942865A1 Air-flow control for greenhouse - has LV axial blowers and tiltably-mounted control flap
06/05/1991EP0430721A2 Ventilators
06/05/1991EP0430720A2 Improvements relating to ventilators
06/05/1991EP0430293A2 Ventilation box for a masonry wall
05/1991
05/29/1991EP0429322A1 Sound-insulated ventilator with automatic air regulation
05/22/1991EP0428108A2 Building emergency exhaust fan system
05/18/1991CA2028599A1 Isophonic air admission box with self controlled aeration
05/15/1991EP0427585A1 Control device and operating cycle for a flow rate regulating system of a ventilation system of a room with controlled atmosphere
05/15/1991EP0427583A1 Method of air conditioning of rooms equipped with a false floor
05/07/1991CA2029212A1 Control device of a ventilation power regulating station in a controlled atmosphere room and operating cycle thereof
05/02/1991EP0424380A1 Method for regulation of ventilation as well as an air-conditioning device used in the method
04/1991
04/30/1991US5012159 Arrangement for transporting air
04/17/1991EP0422980A1 Mobile ventilating system
04/17/1991CN2075315U Exhaustor for pollution gas
04/16/1991US5007216 Ventilation baffle and insulation stop
04/16/1991CA1282992C Building ventilation system with air inlet flap control
04/10/1991EP0421841A1 Apparatus for air circulation and installation containing such an apparatus
04/09/1991US5005328 Roofing vent cover with plug detent connection
04/04/1991WO1991004448A1 The air conditioner
04/03/1991EP0420373A2 Ventless hood for a deep fat fryer
03/1991
03/28/1991CA2011187A1 Ventless hood for a deep fat fryer
03/27/1991EP0418511A1 Air conditioning system for fast-moving elevator cabins
03/27/1991CN2073995U Light control low-noise indoor air exchange fan
03/23/1991CA2023770A1 Device for the ventilation of fast-moving lift cages
03/20/1991EP0230419B1 A method of ventilation
03/19/1991US5000381 Bringing outside air into building
03/19/1991US5000253 Ventilating heat recovery system
03/19/1991US5000081 Ventilation apparatus
03/19/1991US5000080 Ventilated greenhouse
03/13/1991EP0416999A1 Device for extracting gases
03/07/1991WO1991003689A1 Filtering unit for cleaning supply air
03/07/1991CA2066402A1 Filtering unit for cleaning supply air
03/05/1991WO1991003617A1 Metal framed frontage panel and frontage lined with same
03/05/1991CA2042042A1 Metal facing panel and facade having such panels
03/05/1991CA1280929C Clean room
03/05/1991CA1280870C Modular frame arrangement for clean room ceilings suspendable from the ceiling of a room for receiving filters having a fluid seal
02/1991
02/27/1991EP0414638A1 Ventilating installation
02/27/1991EP0414231A2 Control device for heat collection type ventilation equipment
02/27/1991EP0200762B1 Gaseous fluid distribution devices
02/26/1991US4995309 Reversible
02/26/1991US4995308 Roof ventilating apparatus
02/26/1991US4995307 Variable air volume ventilation system and method
02/26/1991CA1280636C Ridge tile with ventilating aperture
02/19/1991US4993629 System for modifying temperatures of multi-story building interiors
02/19/1991US4993484 Air to air heat exchanger
02/19/1991US4993313 Control system for doors of a negative air pressure enclosure
02/12/1991CA1280091C Self-contained air freshener and cartridge therefor
02/12/1991CA1280025C Air intake apparatus
02/05/1991US4989503 Farm building
01/1991
01/23/1991EP0409779A2 Device for controlled ventilation of rooms
01/22/1991US4986170 Air handling system
01/21/1991WO1991001470A1 Supply air terminal device
01/21/1991CA2063391A1 Supply air terminal device
01/03/1991DE3920759A1 Automatic room ventilation system - is operated by differences between outside and inside temps.
01/02/1991EP0405386A2 Aerator for roofs of industrial buildings
12/1990
12/27/1990EP0404615A1 Combined ventilation appliance for a living room
12/26/1990CN2068213U Large-volume spherical container fume extractor
12/13/1990WO1990015959A1 Roof ridge ventilator
12/13/1990CA2060504A1 Roof ridge ventilator
12/12/1990EP0401583A1 Method and device for exhaust fumes
12/06/1990WO1990015290A1 Radon treatment system and method
12/06/1990CA2033212A1 Radon treatment system and method
12/05/1990CN2066952U Air exchanging machine
11/1990
11/28/1990EP0399935A1 False ceiling in stretched fabric, at least partly permeable, used to create an air-volume for heating or cooling
11/28/1990EP0241494B1 Device for heating rooms uniformly
11/26/1990CA2017420A1 Flexible duct
11/16/1990CA2016200A1 Ventilating device for baseboad heater
11/14/1990EP0397475A1 Ventilators