Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127) |
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08/10/1988 | CN87207853U Cold and moist wind generator using an electric fan |
08/10/1988 | CN87100367A Double use pedestal of scavenger fan |
08/02/1988 | US4761576 Motor driven air moving apparatus for high speed, constant duty operation |
07/27/1988 | CN87206370U Furnace top blower for couple type open hearth furnace |
07/27/1988 | CN87205953U Device for adjusting swing angle of electric fan |
07/20/1988 | CN86108762A Ring-type electric fan |
07/20/1988 | CN86104146A 三维显示灯扇 Three-dimensional display lights fan |
07/19/1988 | US4757587 Propeller construction of an electric fan |
07/06/1988 | EP0273563A1 Latch for ventilator shutter plate |
07/06/1988 | CN87211890U Console model ceiling fan holder with continuous power supply |
06/23/1988 | DE3739871C1 Fan |
06/08/1988 | CN87200458U 阵列式电风扇 Array fans |
05/31/1988 | US4747749 Machine for compressing a fluid, having a plurality of compression stages in series |
05/25/1988 | CN87211826U Folding mobile-frame used for miny pendent fan |
05/25/1988 | CN87210150U Medical electric fan being good for health |
05/25/1988 | CN87206532U Floor fan with clothes-hooks |
05/24/1988 | US4746266 Radial blower |
05/18/1988 | CN87210273U Twin-door and two-direction closed domestic air changing fan |
05/18/1988 | CN87200349U Musical electric fan |
05/11/1988 | CN87201470U Automatic safety exhaust fan |
05/11/1988 | CN86205460U Explosion-proof and safety exhanot air fan |
05/10/1988 | US4743174 Centrifugal compressor |
05/10/1988 | US4743173 Slide beating unit for small size fan |
05/04/1988 | CN87211729U Combined lighting installation for wind curtain |
04/27/1988 | CN87202092U Household smoke hood and stovepipe ventilator |
04/20/1988 | CN86211025U Multifunctional energy-saving electric fan and its multifunctional speeder |
04/20/1988 | CN86106581A Oscillating blade type electric fan |
04/06/1988 | CN87201435U Automatic covering unit of exhaust fan |
04/05/1988 | US4735550 Turbo molecular pump |
03/30/1988 | EP0261490A1 Radial fan |
03/30/1988 | CN87212926U Motor fan with cast blades |
03/30/1988 | CN87202488U Electric fan generating natural wind |
03/30/1988 | CN86106360A Free angle adjuster for electric fan |
03/29/1988 | US4734017 Air blower |
03/29/1988 | US4734015 Axial-flow fan |
03/23/1988 | CN87208680U Folding device for pendant fan |
03/22/1988 | US4732539 Oscillating fan |
03/16/1988 | CN87203286U Multifunction air inhaler for civil use |
03/15/1988 | US4730981 Ceiling fan |
03/15/1988 | US4730980 Air supply system |
03/09/1988 | EP0259182A2 Air movement apparatus |
03/09/1988 | CN87208488U Water-cooled, atomized, humidified axial cooling fan |
03/09/1988 | CN87207105U Device able to make fan returning head tilting and wind supply directing |
03/08/1988 | US4729725 Mounting system for selectively mounting ceiling fans |
03/08/1988 | US4729724 Blower for propelling a continuous gas stream with inflatable gas seals |
02/10/1988 | CN86209370U Energy-saving electric fan |
02/03/1988 | CN87206835U Hanging fan with lamp |
02/03/1988 | CN87203864U Fan swinging angle control |
01/27/1988 | CN87201256U Infrared rays remote controlled speed varying device |
01/27/1988 | CN87200454U Portable dual-purpose instrument of fan and razor |
01/19/1988 | US4720241 Ceiling fan |
12/30/1987 | WO1987006981A3 Centrifugal superchargers |
12/30/1987 | CN87203734U Electric blower with function of dust-collector |
12/22/1987 | US4714230 Convertible suspension mounting system for ceiling fans |
12/16/1987 | CN87102745A 电风机 Electric Fans |
12/16/1987 | CN86210433U Electronic clock for electric fan and natural wind electronic controller |
12/16/1987 | CN86208381U Energy saving fan for motor vehicles |
12/05/1987 | CN86209499U Pendent electric fan with fixed bearing cap |
12/03/1987 | DE3543833A1 Roof ventilator |
12/01/1987 | US4709666 Regulatable fan drive |
11/25/1987 | EP0246325A1 Cross-flow cooling fan device |
11/25/1987 | CN87202338U Regulator for controlling swaying angle of electric fan |
11/19/1987 | WO1987006981A2 Centrifugal superchargers |
11/17/1987 | US4706792 Fluid friction clutch |
11/11/1987 | EP0244487A1 Cross-flow cooling fan device |
11/11/1987 | CN86210142U Exhaust fan |
11/11/1987 | CN86209098U Control mechanism for oscillating angle of electric fan |
11/07/1987 | CN86206729U Governor of electric fan |
11/07/1987 | CN86203204U Oscillating angle regulator of household electric fan |
11/04/1987 | CN87202042U Fan vane mesh hood with metal plate mesh |
11/04/1987 | CN87200997U Variable wing ceiling fan |
10/22/1987 | DE3612167A1 Fan arrangement, especially for the cooling of water-cooled internal combustion engines |
10/21/1987 | CN87202659U Miniature, domestic, power-saving electric fan |
10/21/1987 | CN87200806U Automatic speed-regulating device for electric fan |
10/14/1987 | EP0241105A2 Electronically programmable universal brushless dc fan with integral tracking and locked rotor protection |
10/14/1987 | CN87200673U Front guard for electric fan |
10/03/1987 | CN86204503U Explosion-proof pendent fan |
10/03/1987 | CN86204048U Oscillation angle adjustor for table fan |
10/01/1987 | DE3708663A1 Turbomolecular pump |
09/30/1987 | CN86207735U Intermittently timed electric fan |
09/29/1987 | US4696450 Fan motor assembly support frame |
09/23/1987 | CN86210317U Portable electric fan with foldable blades |
09/15/1987 | US4693673 Ceiling fan |
09/12/1987 | CN86206508U Multifunction electric fan |
09/12/1987 | CN86204595U Indoor air harmonious machine with 360 deg. rotating |
09/09/1987 | CN87202611U Lowcost electric fan made of melamine resin |
09/09/1987 | CN86208820U Electric fan with guide blades |
09/08/1987 | US4692096 Ceiling fan |
09/02/1987 | CN86209966U Oscillation adjusting unit in domestic electric fan |
08/25/1987 | US4688989 Gas rotary machine |
08/18/1987 | US4687908 Convection blower for conventional electric ovens |
08/18/1987 | US4687411 Speed increasing gear for a centrifugal compressor |
08/12/1987 | CN85205314U Electric fan oscillating unit with arbitrary adjusting range |
07/29/1987 | CN86206153U Pendent fan with lamps |
07/29/1987 | CN86204031U Electric fan with two sets of blades oscillated in the opposite direction |
07/22/1987 | CN86208395U Miniature electric fan |
07/22/1987 | CN85203592U Adjustable swinging head unit for electric fan |
07/15/1987 | EP0228892A2 A blower assembly |
07/15/1987 | CN86210960U Rotating disc for electric fan |
07/07/1987 | US4678014 Inflator/deflator with molded housing |