| Patents for F24F 7 - Ventilation (13,941) |
|---|
| 12/07/1993 | US5267897 Method and apparatus for ventilation measurement via carbon dioxide concentration balance |
| 12/01/1993 | EP0395748B1 Built-in fan, in particular for sound-absorbing hoods |
| 11/30/1993 | US5267121 Ventilation guide for electronic equipment |
| 11/24/1993 | EP0570369A1 A method of and a device for removing gas from a room space |
| 11/24/1993 | CN2147457Y Double-purpose exhauster rotation with wind |
| 11/23/1993 | US5264015 Screen having an air cleaning function |
| 11/18/1993 | EP0570288A1 Ventilation device for a vehicle compartment |
| 11/18/1993 | DE4315443A1 Ventilation element, e.g. electrical switching or voltage converting station integrated in outer wall of building - has transverse sections extending to each other between side cheeks which respectively have section surfaces inclined between two longitudinal webs |
| 11/17/1993 | CN2146675Y Energy-saving scavenging air conditioner |
| 11/11/1993 | WO1993021997A1 Installation for fighting fire |
| 11/09/1993 | US5259816 For mounting in the ceiling of a room |
| 11/09/1993 | CA1324021C Method and apparatus for the air conditioning of rooms |
| 11/03/1993 | EP0568517A1 Air inlet deflector for the ventilation in stables |
| 11/02/1993 | US5257738 Supply air terminal device |
| 11/02/1993 | US5257736 Self-regulating air ventilation apparatus |
| 10/26/1993 | CA1323622C Radon gas ventilation pump system and method |
| 10/20/1993 | EP0566211A1 Sound-damping ventilating device with an elongated, block-shaped housing and a slotted ventilating channel |
| 10/20/1993 | CN2144270Y Roof ventilator |
| 10/19/1993 | US5254035 Automatic operation apparatus for ventilating fan |
| 10/19/1993 | US5253804 Temperature and humidity sensitive high efficiency exhaust ventilator apparatus |
| 10/14/1993 | WO1993020388A1 An air-change system for a multi-storey building |
| 10/14/1993 | DE4219642C1 Ventilation device contg. blower - involves blower outlet facing room to be served having number of air guide sheets moving delivered air from middle area of room to sides |
| 10/14/1993 | DE4210715A1 Building protection system from radon @ penetration from ground - delivers ambient air under pressure into rooms via off-centre inlets for controlled discharge to atmosphere |
| 10/14/1993 | CA2133408A1 An air-change system for a multi-storey building |
| 10/13/1993 | EP0565001A1 Closed container to be used in a clean room |
| 10/06/1993 | EP0563875A1 A centrifugal regulator device for opening and closing the shutter of an axial electric fan unit |
| 10/06/1993 | CN2143304Y Temperature keeping airing fan |
| 09/30/1993 | DE4209463A1 Propeller arrangement for ventilation of room or work-place - has drive arms connected to vertical axis in form of elastic torsion rod. |
| 09/23/1993 | DE4306778A1 Equipment for floor heating or cooling in buildings - includes return air channel and ventilator coupled to equipment for recovery of heat or cold from exhaust air |
| 09/22/1993 | EP0560820A1 Method and device for cleaning fan impellers. |
| 09/21/1993 | CA2018602C Dehumidifier |
| 09/15/1993 | EP0560612A1 A backdraught shutter for a ventilating fan |
| 09/08/1993 | CN2141874Y Indoor air purifying and ventilating device |
| 08/31/1993 | US5240455 Method and apparatus for controlling a fume hood |
| 08/28/1993 | WO1993017284A1 Room-air interceptor device |
| 08/26/1993 | DE4238297A1 Air conditioning system with automatic ventilation - has separate motors for conditioning and ventilation with air pollution sensor to activate microcomputer-controlled ventilator motor |
| 08/26/1993 | DE4204772A1 Ventilation system for rooms of a building - involves ventilation unit under window in breast area with sections for conducting away output air and input of input air |
| 08/24/1993 | US5238450 Air-permeable barrier for soffit vent |
| 08/17/1993 | US5236393 Bypass damper in series-type ventilation fan |
| 08/17/1993 | US5236391 Flush-mounted air intake |
| 08/11/1993 | CN2140037Y Multi-functional air purifying unit in room |
| 08/05/1993 | WO1993014889A1 Fume cupboard extraction system |
| 08/05/1993 | DE4216387A1 Device to reverse air flow in double ended shaft - comprises fixed fan with suction and output sides and shutters pivoted on opposite sides of shaft |
| 08/05/1993 | DE4202838A1 Protecting buildings against penetration of gas - involves pressurised air being supplied by ducts to rooms and exits via central duct when pressure exceeds preset level |
| 08/03/1993 | USRE34334 Convertible fan assembly |
| 08/03/1993 | US5232402 Interior ventilation adjustment device |
| 08/03/1993 | CA1320945C Space heating and ventilating systems for buildings |
| 08/03/1993 | CA1320935C Combination window fan and floor fan |
| 07/28/1993 | CN2139244Y Air circulation fan |
| 07/28/1993 | CN2139243Y 屋顶风机 Roof fan |
| 07/28/1993 | CN2139242Y Toilet ventilator |
| 07/28/1993 | CA2071558A1 Balanced draft vent system for kiln |
| 07/27/1993 | US5230719 Dehumidification apparatus |
| 07/22/1993 | WO1993013881A1 Ventilation system |
| 07/22/1993 | DE4201093A1 Vent for stalls with ridge outlet and air supply at eaves - has vent shaft in ridge area together with light permeable shaft cover over centre, cover opens outwards and projects over ridge |
| 07/21/1993 | EP0551541A1 Interior ventilation adjustment device |
| 07/21/1993 | EP0551255A1 False ceiling construction |
| 07/13/1993 | CA1320047C Ventilation and control systems |
| 07/07/1993 | EP0550366A2 Air steriliser |
| 07/07/1993 | CN1073922A Equipment for the ventilation of the passenger sapce of rapidly moving lift cages |
| 07/06/1993 | US5225167 Room air sterilizer |
| 07/01/1993 | DE4143036A1 Room ventilator with duct to outside air - is incorporated in window frame head together with sound vibrations suppressor |
| 07/01/1993 | DE4142957A1 Attachment for radiator to heat recirculated air - extracts flush air using ventilator and used air is diverted from inside to outside. |
| 06/30/1993 | CN2137342Y Energy-saving heat-preserving ventilator |
| 06/24/1993 | WO1993013364A1 Ventilation device |
| 06/24/1993 | WO1993012392A1 Fresh-air feed and exhaust-air extraction device |
| 06/24/1993 | CA2100470A1 Ventilation device |
| 06/23/1993 | EP0533817A4 Air circulation system |
| 06/23/1993 | EP0530305A4 Smoker's booth |
| 06/23/1993 | CN2136959Y Air-conditioning, energy-saving scavenger fan |
| 06/23/1993 | CN1073511A Air-conditioning system for "chafing dish" |
| 06/16/1993 | CN2136417Y Ventilating device for experiment chamber |
| 06/15/1993 | US5219215 Modular clean bench system |
| 06/09/1993 | EP0545131A1 Air conditioning system for the passenger compartment of high speed elevator cabins |
| 06/08/1993 | US5216777 Fuzzy control apparatus generating a plurality of membership functions for determining a drive condition of an electric vacuum cleaner |
| 06/08/1993 | CA1318809C Clean room |
| 06/03/1993 | DE4138595A1 Extractor for reducing emission of strong odours in exhaust air - comprises exhaust pipe with side perforations beneath ventilator housed in shaft wide enough to cover pipe perforations |
| 05/27/1993 | WO1993010405A1 Air-permeable barrier for soffit vent |
| 05/26/1993 | CN1072431A Antigrease agent for ventilator |
| 05/25/1993 | US5213542 Insulated heat activated ventilator |
| 05/19/1993 | CN2133797Y Energy-saving air exchanger |
| 05/13/1993 | WO1993008934A1 Smoker's booth, modular wall, and furniture ventilation |
| 05/12/1993 | EP0541054A1 Outlet or connecting element for a smoke extracting hood |
| 05/12/1993 | EP0541053A1 Smoke extracting hood |
| 05/12/1993 | EP0540979A1 Ridge vent for hip roof |
| 05/12/1993 | EP0379552B1 Air distribution procedure and apparatus used in the procedure |
| 05/11/1993 | US5209697 Blower system for a duct |
| 04/29/1993 | DE4140481C1 Roof ridge covering strip made in two parts - has one part fixed to ridge board and other to tile connected by pressure activated clips. |
| 04/29/1993 | DE4135130A1 Ventilation system for flat rooms - has main supply and exhaust grill in each flat with subsidiary grills in individual rooms |
| 04/27/1993 | US5205783 Air flow control equipment in chemical laboratory buildings |
| 04/22/1993 | DE4134305A1 Fresh air supply system for buildings with several rooms + - consists of supply and return lines passing through heat exchanger and connected to each room separately |
| 04/22/1993 | DE4130181C1 Ridge or edge section covering element - includes central fixing to ridge slot and edge regions which cover the gap between ridge slot and two roof covering plates |
| 04/16/1993 | CA2053430A1 Heated door |
| 04/14/1993 | EP0536871A1 Dust collection apparatus |
| 04/14/1993 | EP0536445A1 A method for optional heating or cooling the air in a building |
| 04/14/1993 | EP0536132A1 Room ventilator. |
| 04/13/1993 | CA1316051C Arrangement for keeping of livestock |
| 04/08/1993 | DE4132733A1 Recessed ceiling light incorporating air-conditioning vents - has air discharge vent around outside of lamp unit and central air extraction vent containing apertured reflector |
| 03/31/1993 | EP0533817A1 Air circulation system |
| 03/30/1993 | CA1315334C Arrangement for transporting air |