| Patents for F24F 7 - Ventilation (13,941) |
|---|
| 06/14/1994 | US5320124 Regulator adaptable for maintaining a constant partial vacuum in a remote region |
| 06/08/1994 | CN2168203Y Ventilating cabinet |
| 06/07/1994 | US5318607 Multilayer assembly for roof ventilators |
| 06/01/1994 | DE4300409C1 Roof ventilator for all weather - has double-armed flaps to act as throttle flaps and air guide faces dividing gas flow at outlet and closing channel |
| 05/26/1994 | WO1994011680A1 Method and device for reducing vortices at a cleanroom ceiling |
| 05/26/1994 | WO1994010872A1 Device for protection against heat, such as sunshade or parasol provided with a solar energy ventilation system |
| 05/26/1994 | DE4300408C1 Roof ventilator for wide openings in roofs - has rain protection covers also acting as guide walls for ejected airflows |
| 05/25/1994 | CN2166370Y Air circulating apparatus with function of lighting & ventilating |
| 05/24/1994 | US5314376 Air conditioner |
| 05/17/1994 | US5312297 Air flow control equipment in chemical laboratory buildings |
| 05/17/1994 | US5312296 False-ceiling construction and method for the flow of air in connection with a false-ceiling construction |
| 05/17/1994 | CA1329458C Roofing slab |
| 05/11/1994 | WO1994010618A1 System for controlling flow through a process region |
| 05/11/1994 | WO1994010617A1 Remote region vacuum regulator |
| 05/11/1994 | WO1994010031A1 Smoke control system for ships |
| 05/11/1994 | EP0596846A1 Kitchen ventilator |
| 05/11/1994 | CN1024450C Adjustable air circulation filter |
| 05/05/1994 | DE4301757C1 Floor- or ceiling-outlet for ventilation air - has perforated cover plate and swirl-inducer with blade-pitch |
| 05/05/1994 | DE4236797A1 Wind generator construction for use during gymnastics - extracts air from room, treats it, and directs it to user etc |
| 05/04/1994 | CN2163974Y Air quick-cleaning device for toilets |
| 05/04/1994 | CN1086303A Fume-exhausting device infire by use of contrarotation of axial flow fan in cold air outlet |
| 05/04/1994 | CA2108510A1 Kitchen ventilator |
| 05/03/1994 | CA1328961C Wipers for cleanroom use and method |
| 04/28/1994 | WO1994009324A1 Controlling ventilation rates and indoor air quality |
| 04/28/1994 | CA2123491A1 Controlling ventilation rates and indoor air quality |
| 04/26/1994 | US5306210 Louvre type roof structures |
| 04/26/1994 | US5306208 Apparatus for the ventilation of the passenger space of rapidly moving elevator cars |
| 04/26/1994 | US5306207 Air removal apparatus |
| 04/20/1994 | CN2162613Y Cooling fan |
| 04/19/1994 | US5304095 Roof ventilator having longitudinally aligned folding sections |
| 04/19/1994 | US5304094 Method of mixing cold introduced air with warmer room air |
| 04/14/1994 | WO1994008182A1 Device for ventilating or extracting air from spaces |
| 04/14/1994 | DE4328727A1 Ventilation flap for conservatories - has bored rafters which have apertures in inferior purlin region for coupled shafts which support flap |
| 04/14/1994 | DE4309308C1 Ventilation system for power electronic appts. housing - has 2 overlying ventilation units inserted between upper and lower halves of function module stack. |
| 04/13/1994 | EP0591602A1 Interior air conditioning equipment |
| 04/13/1994 | EP0591162A1 Arrangement for affecting the motions of particles at a movable device |
| 04/13/1994 | CN2161861Y Air purifying device indoor |
| 04/07/1994 | DE4303767C1 Hinging hatch opening and shutting drive - has variable length actuator and swing arm coupled together without tools and folding between it and frame when uncoupled |
| 04/07/1994 | DE4233529A1 Vorrichtung zum Be- und/oder Entlüften von Räumen An apparatus for loading and / or venting rooms |
| 04/06/1994 | CN2160850Y Domestic gas purifier |
| 04/06/1994 | CN1084940A Air scavenger fan |
| 04/05/1994 | US5299429 Portable condensing fan |
| 03/31/1994 | WO1994017336A1 Environmental control system |
| 03/31/1994 | WO1994006980A1 Flat roof duct |
| 03/31/1994 | WO1994006482A1 Germicidal air filter |
| 03/31/1994 | DE4232315A1 Air intake in outside walls of buildings - has S-shaped air deflection channel with sound/heat absorption, and air volume limitation unit with filter for regulation from zero to max. |
| 03/30/1994 | CN2160086Y Air changing regulator |
| 03/29/1994 | US5297992 Method and apparatus for liquid spill containment |
| 03/29/1994 | US5297991 Portable electric floor and window fan |
| 03/29/1994 | CA2078968A1 Trap device for an air register |
| 03/23/1994 | EP0588619A1 A lighting apparatus |
| 03/22/1994 | US5296029 Spraying booth with arrangement for affecting the motions of paint particles |
| 03/22/1994 | US5296018 Method and apparatus for eliminating electric charges in a clean room |
| 03/18/1994 | CA2106273A1 Ventilation tubes |
| 03/16/1994 | CN2158986Y Ventilating machine |
| 03/15/1994 | US5294049 Power temp vent duct system |
| 03/15/1994 | US5294048 Apparatus for controlling ventilation fan |
| 03/08/1994 | US5292281 Vertical soffit vent |
| 03/08/1994 | US5292280 Method and apparatus for controlling ventilation rates and indoor air quality in an HVAC system |
| 03/08/1994 | CA2023183C Device for heat collection type ventilation equipment |
| 03/03/1994 | DE4240985C1 Smoke vent opener for glass roof - has spring bolt controlled by temp. sensitive vessel made of glass |
| 03/02/1994 | EP0584638A2 Ventilation device for spraying booths or similar |
| 03/02/1994 | CA2101801A1 Inlet and damper system for airhouses |
| 02/24/1994 | DE4325372A1 Ventilating head form as roof ventilator moved by wind - comprises pipe bend with wind plate, pipe extension narrowing over ventilation and small cylinder |
| 02/24/1994 | DE4222987A1 Air input and output in outer wall components - using ventilating appts. fitted beneath window opening on inside of building facade, from which input and output air connections are fed through facade |
| 02/22/1994 | US5288269 Continuous in-line method of fabricating a variable pitch roof ridge vent assembly and the assembly thereof |
| 02/22/1994 | US5288268 Radon gas evacuation system and method |
| 02/22/1994 | US5288267 Retrofit air circulation system |
| 02/22/1994 | US5288202 Centrifugal regulator device for opening and closing the shutter of an axial electric fan unit and an electric fan unit utilizing this device |
| 02/17/1994 | DE4226634A1 Ventilator, esp. for bathroom or kitchen - has electronically commutated DC inside-out motor to drive fan built into wall with filtered air inlet |
| 02/16/1994 | CN2156433Y Smoke absorbing lamp |
| 02/15/1994 | US5285818 Flexible duct with method of making same |
| 02/09/1994 | EP0582010A2 Air cleaning screen |
| 02/09/1994 | CN2155518Y Two-way heat exchanger |
| 02/02/1994 | CN2154981Y Energy saving room temp. air regenerator |
| 02/01/1994 | US5282770 Ventilation system |
| 02/01/1994 | CA2051887C Microprocessor controlled climate control device for a plurality of mass transit vehicles |
| 01/26/1994 | CN2154429Y Ventilation deodorization apparatus for toilet |
| 01/19/1994 | EP0579536A1 Device and method to suppress sudden pressure changes in vehicles, in particular land vehicles |
| 01/18/1994 | US5279632 Planar clean room ceiling structure |
| 01/18/1994 | US5279520 Ceiling mounted forced air vent humidifier and draft control device |
| 01/12/1994 | CN2153010Y Automatic lift ventilation hood |
| 01/05/1994 | CN2152177Y Natural ventilating device for grain storehouse |
| 01/05/1994 | CN2152176Y Insulation and fresh air machine |
| 12/29/1993 | EP0575578A1 Ventilation device. |
| 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 | CN2151415Y Air exchanger |
| 12/27/1993 | CA2072453A1 Below grade heat recovery ventilator |
| 12/23/1993 | WO1993025779A1 Ventilated ridge of a sloping glazed roof |
| 12/22/1993 | EP0575285A1 Heat exchanger for heat recovering ventilation |
| 12/22/1993 | CN2150484Y Fully-automatic testing-controlling instrument for ventilation of granary |
| 12/16/1993 | DE4238895C1 Electric ventilation fan for air-conditioning duct - has peripheral seal for suction plate and vibration damping of fan motor mounting, to reduce noise |
| 12/16/1993 | DE4219115A1 Ventilators in maintenance pits under tracks - are used for ventilation of working areas in train maintenance shed |
| 12/16/1993 | DE4218826A1 Radial blower for building ventilation - has flow reversal chamber and impeller on vertical or horizontal axis |
| 12/09/1993 | WO1993024168A1 Portable air conditioner |
| 12/09/1993 | DE4232278C1 Ventilating and air-conditioning stables - involves gutter-side input aperture and at least one ridge-side output air aperture |
| 12/09/1993 | DE4231051C1 Water separation system for vehicle air conditioning unit - uses meandering shaped grooves inclined against direction of air stream flow |
| 12/09/1993 | CA2137006A1 Portable air conditioner |
| 12/08/1993 | CN2148917Y Indoor doubl-duct ventilator |