Patents for F24F 7 - Ventilation (13,941)
12/1994
12/14/1994CN1026973C Equipment for the ventilation of the passenger space of rapidly moving lift cages
12/13/1994US5372545 Ventilator with a sensor
12/08/1994WO1994028269A1 Venting apparatus
12/07/1994EP0626889A1 Fume cupboard extraction system
12/06/1994US5370721 Ceiling fan filter
12/06/1994US5370498 Apparatus for elimination of gas constituents
11/1994
11/30/1994EP0626519A1 Airflow measuring centrifugal fan
11/24/1994WO1994026356A1 Method and installation for removing smoke from a monitored space
11/24/1994DE4410564C1 Fan unit for fitting in an air duct of a room-ventilation apparatus
11/18/1994CA2123640A1 Airflow measuring centrifugal fan
11/17/1994EP0624698A1 Exhaust device for a barrel vault
11/15/1994US5364219 Apparatus for clean transfer of objects
11/15/1994US5364026 Ventilation fan control
11/13/1994CA2086767A1 Wool insulation containment device
11/09/1994EP0623398A1 Method and apparatus for controlling fume hood face velocity using variable by-pass resistance
11/09/1994EP0483239B1 Supply air terminal device
11/09/1994CN1094806A Method and device for reducing vortices at a cleanroom ceiling
11/02/1994CN2181644Y Distance smoke-exhaust fire-proof valve actuator
10/1994
10/27/1994WO1994024494A1 Method and device for supplying air to a ventilated space
10/26/1994EP0621451A2 Modular floor sub-structure for the operational support of computer systems
10/26/1994EP0620768A1 Adjustable device for exhaustion and/or supply of gas.
10/26/1994CN2180929Y Indoor and outdoor two-direction air exchanger
10/25/1994US5358444 Workstation ventilation system
10/18/1994US5356335 Pressure gradient control system
10/13/1994CA2098670A1 Roof vent
10/12/1994EP0619461A2 Air handling structure and fan inlet and outlet
10/11/1994US5354233 Emergency ventilation system for elevator cab
10/11/1994US5353601 Structural cooling systems and methods
09/1994
09/29/1994WO1994022285A1 Ventilation system for cubicles with electronic functional units producing considerable heat
09/29/1994WO1994021971A1 Fan casing
09/29/1994DE4309114A1 Device for ventilating spaces
09/27/1994CA2092727A1 Apparatus for reversing airflow within a duct
09/22/1994DE4408096A1 Ventilation-heating unit
09/21/1994EP0616175A2 Environment decontaminating system having air cleaning and deodorizing function
09/21/1994EP0615604A1 Fresh-air feed and exhaust-air extraction device.
09/21/1994EP0615603A1 A method and a system for disinfecting air in air conditioning ducts.
09/21/1994EP0370044B1 An arrangement for transporting air
09/16/1994CA2119093A1 Environment decontaminating system having air cleaning and deodorizing function
09/14/1994EP0615098A1 Device for separating particles, in particular oil or fat particles
09/14/1994CN1091992A Apparatus for separating particles, in particular oil or fat particles
09/13/1994US5345779 Modular floor sub-structure for the operational support of computer systems
09/06/1994US5344365 Integrated building and conveying structure for manufacturing under ultraclean conditions
09/06/1994US5344364 Circulation air distribution system
09/06/1994US5344363 Roof vent assembly for grain storage bin
09/03/1994CA2090836A1 Vent flat roofing system
08/1994
08/31/1994EP0612962A1 Fume extracting hood, in particular for large-scale kitchens
08/30/1994US5342422 Apparatus for separating particles, in particular oil or fat particles
08/24/1994EP0611925A2 Device for supplying or discharging air by an air circulation system
08/23/1994US5339582 Roof vent
08/18/1994WO1994018507A1 Arrangement relating to a regenerative heat exchanger for ventilation
08/18/1994WO1994018506A1 Ventilation device
08/18/1994DE4304850A1 Appliance for achieving pollutant-free living and office accommodation
08/18/1994CA2155026A1 Ventilation device
08/17/1994EP0610558A1 Device for opening and closing a wing
08/17/1994EP0610224A1 Fume hood controller
08/10/1994EP0609727A1 Fan casing for the arrangement in a passage opening
08/10/1994EP0609725A1 Roof vent
08/09/1994US5335462 Building structure
08/09/1994CA1331350C Device for drawing and collecting vapours over a boiling or frying apparatus
08/02/1994US5334248 Controlling air flow depending on air pollution increment between two detected values
08/02/1994US5334091 Window fan
08/02/1994US5334089 Fume hood with adjustable baffle assembly
07/1994
07/29/1994CA2113021A1 Roof vent
07/28/1994DE4401251A1 Lüftungsschieber Ventilation slide
07/27/1994EP0607791A1 Roof ventilator
07/26/1994US5332364 Rotatable ceiling fan accessory
07/26/1994US5332151 Cooling/heating apparatus having automatic ventilating function and its control method
07/26/1994US5331783 Ridge cap type roof ventilator
07/26/1994CA2051863C Ridge roof vent
07/21/1994DE4307101C1 Air conditioned space for plant culture
07/20/1994EP0607116A1 End-piece for room air conditioners
07/20/1994EP0606836A1 Roof ventilator
07/19/1994US5330722 Germicidal air filter
07/19/1994US5330386 Method and device for ventilating a home
07/14/1994DE4300609A1 Ventilator for installation in housing of roller-shutter
07/13/1994CN2171806Y Air exchanger for indoor and outdoor
07/13/1994CN2171805Y Natural ventilator for roof of factory building
07/13/1994CN2171804Y Blowing damp-eliminating device for underground equipment
07/12/1994US5328407 Roof ridge vent with tubular baffles
07/12/1994US5328406 Fascia ventilator and drip edge
07/12/1994US5328405 Ventilator with deck mount
07/12/1994US5327846 Wind scoop for marine craft
07/07/1994WO1994015156A1 Ventilating apparatus, especially for animal stables
07/07/1994WO1994015155A1 Circulation air distribution system
07/06/1994EP0298996B1 Process and installation for air conditioning of rooms
07/06/1994CN1088845A Germicidal Air Filter
07/05/1994US5326318 Roof ridge ventilator
07/05/1994US5326317 Ventilator
07/05/1994US5326314 Method and system of cleaning industrial air
06/1994
06/30/1994DE4244012A1 Workshop roof with controlled ventilation panel system
06/29/1994EP0490960B1 Filtering unit for cleaning supply air
06/29/1994CN2170476Y Electric purification stove
06/23/1994WO1994013893A1 Exhaust fan
06/23/1994CA2151942A1 Exhaust fan
06/22/1994CN2169809Y Three-two air exchanging fan
06/21/1994US5322473 Modular wall apparatus and method for its use
06/15/1994EP0601335A1 Ventilation for a building with a curtain wall
06/15/1994EP0601161A1 Ventilated ridge of a sloping glazed roof
06/15/1994CN2169073Y Ozone purifying box
06/14/1994US5320218 Closed container to be used in a clean room