Patents for F24F 7 - Ventilation (13,941)
03/1998
03/06/1998CA2184846A1 Plumbing vent
03/05/1998DE19635850A1 Filter unit for purifying room air and forming part of a heat exchanger
03/04/1998EP0637977B1 Installation for fighting fire
03/04/1998CN1174963A Dehumidifying air conditioner
03/03/1998US5722886 Ventilator
03/03/1998US5722885 Air moving system
02/1998
02/24/1998US5720661 Inversion type ventilating fan
02/18/1998EP0824041A2 Portable personal corona discharge device for destruction of airborne microbes and chemical toxins
02/18/1998CN1173382A Filtering appts.
02/11/1998CN1172938A Desiccant assisted air conditioning system
02/10/1998US5716268 Device for removal of deleterious impurities from room atmosphere
02/03/1998US5714819 Motor having universal fan end bracket
02/03/1998US5713973 Clean air duct device
02/03/1998US5713791 Modular cleanroom conduit and method for its use
01/1998
01/22/1998WO1998002694A1 Make-up air handler with direct expansion dehumidification
01/22/1998DE19727788A1 Building cladding panel with temperature control
01/21/1998CN2272991Y Bidirectional synchronous air-change fan
01/15/1998WO1998001710A1 Method and arrangement for distributing air to a space
01/14/1998CN2272544Y Ventilator
01/14/1998CN1170123A Aeration structure in buildings
01/07/1998EP0816790A2 Heat transfer element,more paricularly for air conditioning plant with heat recovery
01/07/1998EP0816770A2 Pipe insert lining to build in wall openings
01/07/1998EP0816768A2 Ventilation device
01/07/1998EP0815919A2 Filter unit
01/06/1998US5704834 Moisture resistant roof vent
01/06/1998US5704832 Air conditioner control assembly
01/02/1998DE19726730A1 Frischluftumwälzeinheit Frischluftumwälzeinheit
01/02/1998DE19625772A1 Room ventilator with regenerative heat recovery
12/1997
12/30/1997US5702299 Method and installation for removing smoke from a monitored space
12/30/1997US5702296 Portable ventilation system
12/29/1997EP0814307A1 Exhaust outlet for room ventilation
12/24/1997WO1997048479A1 Kitchen exhaust system with catalytic converter
12/24/1997CA2229936A1 Kitchen exhaust system with catalytic converter
12/23/1997CA2009648C Push-in flexible cover vent
12/22/1997CA2217423A1 Lightweight, portable, multi-position, positive-pressure ventilators
12/16/1997US5697842 For peaks of sloped roofs formed of roofing sheets
12/16/1997US5697838 Apparatus and method to optimize fume containment by a hood
12/11/1997WO1997046302A1 Exhaust gas purification apparatus
12/11/1997DE4433404A1 Combination building skylight and ventilator
12/11/1997DE19623708C1 Ventilation apparatus for living rooms and offices
12/11/1997CA2257102A1 Exhaust gas purification apparatus
12/10/1997CN2270190Y Quick transfer ventilation door for exhausting system
12/09/1997US5695692 Self-rotating air freshner cartridge and method of dispensing different air freshening vapors
12/09/1997US5695534 Air filtration installation with recycling of filtered air
12/07/1997CA2204790A1 Air purifier
12/04/1997DE19621888A1 Wall fixture installation element for rooms
12/02/1997US5692955 Forced air vent for a roof eave
12/02/1997US5692954 Air-shower system for a clean room
11/1997
11/27/1997WO1997044624A1 Fan air cleaner
11/27/1997CA2256573A1 Fan air cleaner
11/26/1997CN2268884Y Glass fiber reinforced plastic tube for ventilation
11/25/1997US5690165 Ventilation device for a space zone
11/20/1997WO1997043584A1 Compact mechanical air cleaner
11/20/1997DE19628251C1 Ventilating device for outer roof
11/20/1997DE19619495A1 Safety system with suction devices for extracting air contg. material harmful to health from a room
11/19/1997CN1165044A Smoke ejecting control system
11/18/1997US5688168 Fume hood with improved counterbalance system
11/18/1997US5687796 Installation for fighting fire
11/12/1997EP0806615A2 Aeration structure in buildings
11/12/1997CN2267418Y Fire-protection high temp. fan for removing smoke
11/10/1997CA2204690A1 Aeration structure in buildings
11/06/1997DE19709834A1 Modular industrial air filtration unit with fan and prefilter for clean areas
11/06/1997DE19616289A1 Supply of disinfectant gas or vapour
11/05/1997EP0805315A2 Ventilator frame profile, in particular for venting arrangement of fumes and hot exhaust gases
11/05/1997CN1163973A Fixer for cleaning chamber
10/1997
10/29/1997CN1163378A Air purifying machine
10/28/1997US5681533 Comprising ozone generator, dust collector, deodorizing catalyst and acid gas absorbers, ozone meter
10/28/1997US5681364 Rotating element fume collection apparatus
10/23/1997WO1997039286A1 Air cleaner
10/23/1997DE19614913A1 House-ventilation system with heat-recovery by heat-pump
10/22/1997EP0802378A2 Venting device
10/22/1997EP0620768B1 Adjustable device for exhaustion and/or supply of gas
10/18/1997CA2206885A1 Acoustic chamber
10/15/1997EP0801183A1 Fume venting device for a long barrel-vault
10/11/1997CA2173808A1 Heated makeup air system for a commercial kitchen
10/09/1997WO1997037134A1 Blower unit
10/08/1997CN1161738A Air moving system
10/08/1997CN1161429A Dual fan room heater
10/07/1997US5673526 Component gable vent apparatus and method of assembling same
10/07/1997US5673521 Rolled roof vent and method of making same
10/01/1997EP0798517A2 Roof ventilator
10/01/1997CN1160597A Separation apparatus
09/1997
09/25/1997WO1997035152A1 Ventilation device and window for accommodating the same
09/25/1997WO1997035080A1 Ridgeboard ventilation system
09/23/1997US5669814 Facility installation structure in clean room
09/23/1997US5669811 Modular devices for the extraction of fumes
09/23/1997CA2113354C Roof vent of synthetic fiber matting
09/17/1997CN2262680Y Two-stage uniform air exhauster for lab
09/17/1997CN2262679Y Air conditioner for use side bed
09/16/1997US5668920 Ceiling fan with attachable heater housing having an additional fan therein
09/16/1997US5667564 Portable personal corona discharge device for destruction of airborne microbes and chemical toxins
09/09/1997US5664997 Apparel and equipment locker incorporating contamination and toxic materials extraction and evacuation system
09/09/1997US5664996 Multiple blade window fan
09/03/1997CN2261586Y Antifire ventilator
09/02/1997US5662522 Exhaust vent
08/1997
08/29/1997CA2198981A1 Ventilator
08/28/1997DE19706431A1 Room ventilation device for kitchen or bathroom
08/27/1997CN1157897A Air current controlling device and clean room adopting the same
08/26/1997US5660586 Variable discharge window fan
08/21/1997DE19605462A1 Ventilating flue for roof with cupola shaped dome and opening