| Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127) |
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| 07/01/1987 | CN86208166U Electric fan being able to swing from two angles |
| 07/01/1987 | CN86202262U Swinging amplitude-regulating continually device for domestic electric fan |
| 06/24/1987 | EP0226039A1 Vacuum pump apparatus |
| 05/27/1987 | EP0223750A1 A fan unit of compact axial dimensions, for motor vehicles in particular |
| 05/27/1987 | CN86200902U Palace lantern type pendant fan |
| 05/27/1987 | CN86200817U Window fan simulating natural wind |
| 05/21/1987 | WO1987003149A1 Cross-flow cooling fan device |
| 05/21/1987 | WO1987003049A1 Cross-flow cooling fan device |
| 05/20/1987 | CN86204789U Ring electric fan |
| 05/14/1987 | DE3610685C1 Fan |
| 05/13/1987 | CN86201541U Regulation device to stimulate natural wind for electric fan |
| 05/06/1987 | CN86207055U All-angle regulator for electric fan |
| 05/05/1987 | US4662823 Air turbulence blades for ceiling fans |
| 04/29/1987 | EP0219578A1 Centrifugal fans and blowers |
| 04/29/1987 | CN86203838U Imitated natural wind controlling device for electric fan |
| 04/29/1987 | CN85108101A Oscillating ceiling fan |
| 04/16/1987 | DE3631941A1 Fan for driving a continuous flow of gas |
| 04/15/1987 | CN86203266U Adjustable mechanism for shaking head of electric fan within 0-360 deg. |
| 04/14/1987 | US4657477 Portable engine-blower supporting device |
| 04/09/1987 | DE3535795A1 Blower for air circulation in e.g. baking ovens |
| 04/07/1987 | US4656553 Electronically programmable universal brushless DC fan with integral tracking and locked rotor protection |
| 04/01/1987 | CN86207149U Small electrical cool wind blower |
| 03/24/1987 | US4651381 Blow and suction nozzle for household or industrial suction tools |
| 03/19/1987 | DE3531986A1 Cooling fan with a controlled hydraulic coupling for an internal combustion engine |
| 03/11/1987 | EP0213769A1 A ceiling fan |
| 03/10/1987 | US4648801 Wind turbines |
| 03/04/1987 | CN86206086U Speed regulator of rotating vane fan air screen |
| 02/25/1987 | CN86201366U Low-pressure axial flow blower |
| 02/24/1987 | US4644606 Lawn/garden blower/vacuum |
| 02/12/1987 | DE3531555C1 Combustion gas fan |
| 02/11/1987 | CN86103746A Ceiling fan with electromagnetic facing changable mechanism |
| 02/04/1987 | CN86105527A Speed reducing mechanism |
| 02/03/1987 | US4640668 Ceiling fan with adjustable blowing scope thru a speed-servo and with driving speed control means |
| 01/24/1987 | CN86103558A Joint process of powder alloy swing gear of electric fan and steel shaft |
| 01/22/1987 | DE3525820A1 Friction discs which provide guidance |
| 01/21/1987 | CN86202193U Magnetic control bottom for electric fan used in mosquito net |
| 01/21/1987 | CN85200988U Electric fan with air draught tube |
| 01/17/1987 | CN85101955A Improvements in or relating to air extractors |
| 01/14/1987 | CN85204850U Air-guiding railing type pendant fan |
| 12/24/1986 | CN85201174U Magnetic force driving device of electric fan |
| 11/26/1986 | CN85104286A Reversible water turbine tidal power station |
| 11/19/1986 | CN85203941U Automatic colour-changing rotating coloured-lanterns fixed on vanes of electric fan |
| 11/18/1986 | US4623090 Automatic interior air temperature control apparatus with a dual purpose fan for use with temperature control systems in motor vehicles |
| 11/12/1986 | CN86200793U Meridian speeding-up axial flow type ventilator for some areas |
| 11/11/1986 | US4621977 Ceiling fan |
| 10/22/1986 | EP0198654A1 Blower/vacuum device |
| 10/21/1986 | US4618806 Ironless, brushless DC motor with wave-winding |
| 10/15/1986 | CN85202377U Multipurpose electric fan |
| 10/14/1986 | US4616563 For arresting rotation of an air deflector grille |
| 10/08/1986 | CN85102741A Small electric fan with alternative current low speed starter |
| 10/01/1986 | CN85205265U Pendent lamp with ceiling fan |
| 09/17/1986 | EP0194837A2 Gas pipe pumping system |
| 09/03/1986 | CN86200596U Multipurpose controller for electric fan |
| 09/03/1986 | CN85203358U Swing head electric fan without gear |
| 08/27/1986 | EP0082844B1 Combined fan and valve |
| 08/26/1986 | CA1210376A1 Method and apparatus for compressing gas |
| 08/20/1986 | CN85201409U High efficiency and energy-saving speed adjustable electric fan with taps |
| 07/29/1986 | US4603271 Fan motor |
| 07/22/1986 | CA1208272A1 Simple brushless dc fan motor with reversing field |
| 07/16/1986 | CN85203402U Infinite angle modulator for electric fan |
| 07/16/1986 | CN85201985U Cooling electric fan of producing negative ion |
| 07/09/1986 | CN85203807U Swinging unit for electric fan |
| 07/09/1986 | CN85202957U 杀虫电风扇 Insecticidal fans |
| 07/09/1986 | CN85201895U Two-sided electric fan |
| 07/08/1986 | US4598632 Air-driven ceiling fan |
| 07/02/1986 | CN85201599U 风轮式吊风扇 Wind wheel hanging fan |
| 06/17/1986 | US4595142 Blower/spray device |
| 06/11/1986 | CN85203155U Adjustable swing angle electrical fan |
| 06/04/1986 | EP0183655A2 Axial and centrifugal fan |
| 06/03/1986 | US4592702 Waterproof fan |
| 05/28/1986 | CN85202876U Electro-controlled intermittently running electric fan |
| 05/27/1986 | CA1205115A1 Simple brushless dc fan motor |
| 05/21/1986 | EP0181549A1 Fan wheel |
| 05/21/1986 | CN85203799U Domestic automatic wind-screened axial flow fan |
| 05/21/1986 | CN85202857U Multi-function blade-winding electric fan with fluid spray device |
| 05/07/1986 | EP0180176A1 Ventilator |
| 04/02/1986 | CN85202238U Electric fan with a revolving arm |
| 03/19/1986 | CN85201615U Control device for gradually reducing the wind of electric fan |
| 03/05/1986 | CN85200345U Stepless regulator for the swing extent of electric fan |
| 02/18/1986 | US4570849 Fan drive, particularly for cooling installation of vehicles |
| 02/12/1986 | CN85201269U Device for hanging pendant fan |
| 01/28/1986 | US4566864 Electric fan device for automotive vehicle |
| 01/07/1986 | US4563126 Casing of blower and ventilating fan utilizing the casing |
| 12/24/1985 | US4560321 Ceiling fan |
| 12/17/1985 | US4558992 Pump device |
| 11/13/1985 | EP0160971A2 Bearing for minifan driving motor |
| 11/12/1985 | USRE32027 Wet pick-up vacuum unit motor bearing air seal |
| 11/12/1985 | US4553075 Simple brushless DC fan motor with reversing field |
| 10/30/1985 | EP0159404A1 Heating or air conditioning apparatus for motor vehicles with automatic control of the interior temperature |
| 10/29/1985 | US4549858 Flat type fan, particularly for electronic circuits |
| 10/23/1985 | EP0158681A1 Rotary gas machine |
| 10/15/1985 | US4546694 Blower unit for air-conditioning plant |
| 10/10/1985 | CN85200224U Heating device with silex glass far-infrared tube |
| 09/25/1985 | EP0155621A2 Blowing and suction nozzle for domestic and industrial suction apparatuses |
| 06/25/1985 | US4524469 Combined fan and valve |
| 06/18/1985 | US4523896 Centrifugal compressor |
| 06/18/1985 | US4523434 Air ventilator |
| 06/05/1985 | EP0143684A1 Multi-stage series compressor |
| 06/04/1985 | US4521155 Turbocharger compressor housing |
| 06/04/1985 | US4521153 Blower and rotating wind deflector |