| Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127) |
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| 05/06/2004 | US20040086386 Ceiling fan air cleaner and freshener |
| 05/06/2004 | US20040084992 Electric motor and brush retaining assembly |
| 05/06/2004 | US20040084544 Low speed cooling fan |
| 05/06/2004 | EP1018203B1 Electric motor with permanent-magnet rotor having viscous shaft coupling |
| 05/06/2004 | DE10249471A1 Verfahren zum Betreiben eines Verdichters im Bereich der Verdichter-Pumpgrenze und Verdichter A method of operating a compressor in the compressor surge margin and compressor |
| 05/05/2004 | CN1493789A 电风扇 Fan |
| 04/29/2004 | WO2004036052A1 Compressor unit |
| 04/29/2004 | US20040081564 Electromagnetic device capable of controlling the revolving speed of a multi-fan assembly |
| 04/29/2004 | US20040081553 Versatile axial fan and centrifugal shutter mechanism |
| 04/29/2004 | US20040080910 Heat dissipating device |
| 04/29/2004 | DE20320023U1 Hand-held fan has hub with electronic unit, power supply unit under transparent cover, on/off switching module, image information memory, reading unit, light line controlled by synchronization module |
| 04/29/2004 | DE10347998A1 Flexible power transmitting axle is tubular and includes preferably two compressible flexible components, which are formed as integrated part of axle |
| 04/28/2004 | CN2613620Y 电风扇 Fan |
| 04/27/2004 | US6726453 Quick-release fan blade mounting structure for ceiling fan |
| 04/27/2004 | US6726451 Ceiling fan and fan blade mounting arrangement for generating center or rotational gravity outside vertical axis |
| 04/22/2004 | US20040076529 Particle beam device with a particle source to be operated in high vacuum and cascade-type pump arrangement for such a particle beam device |
| 04/22/2004 | US20040076517 Serial ventilation device |
| 04/22/2004 | US20040076510 Turbo/drag pump having a composite skirt |
| 04/22/2004 | US20040075356 Fan rotor |
| 04/22/2004 | DE10246311A1 Ventilation device especially for self ventilating electric motors, has vane and or hub of a temperature dependent material which can alter the vane attack angle |
| 04/21/2004 | EP1409875A1 Axial flow fan |
| 04/20/2004 | US6724106 Miniature brushless dc fan motor |
| 04/20/2004 | US6722859 Electromagnetic device capable of controlling the revolving speed of a multi-fan assembly |
| 04/20/2004 | US6722847 Fan for a turbofan gas turbine engine |
| 04/20/2004 | US6722621 Electrical box assembly with removable protective cover |
| 04/15/2004 | WO2004031590A1 Electrical charge air compressor provided with an integrated air cooling system |
| 04/15/2004 | WO2004031588A1 Arrangement and method for removing heat from a component which is to be cooled |
| 04/15/2004 | US20040072531 Device for ventilation and/or air circulation |
| 04/15/2004 | US20040071541 Fan assembly |
| 04/15/2004 | DE10246608A1 External rotor motor especially as ventilator drive, has inner stator arranged in pot-shaped housing and gas-tightly separated from outer rotor |
| 04/15/2004 | DE10245798A1 Elektrisch betriebener Ladeluftverdichter mit integrierter Luftkühlung Electrically driven charge air compressor with integrated air cooling |
| 04/15/2004 | DE10220499A1 Compressed air energy production method for commercial production of compressed air energy uses regenerative wind energy to be stored in underground air caverns beneath the North and Baltic Seas |
| 04/14/2004 | EP1408237A1 Turbomolecular pump |
| 04/14/2004 | EP1407148A1 Apparatus for controlling the pressure in a process chamber and method of operating same |
| 04/14/2004 | CN2611646Y Multi-rotor ceiling fan structure with revolution and rotation |
| 04/14/2004 | CN2611645Y Integrated set of centripetal expander and centrifugal compressor |
| 04/14/2004 | CN2611644Y Swinging device having regulatable hunting angle |
| 04/14/2004 | CN2611643Y A.C. radiation fan |
| 04/13/2004 | US6719541 Fan assembly with application to vacuum cleaners |
| 04/13/2004 | US6719533 High efficiency ceiling fan |
| 04/13/2004 | US6719532 High efficiency ceiling fan |
| 04/13/2004 | US6719531 Ceiling fan blade for quick assembly |
| 04/13/2004 | US6718955 Electric supercharger |
| 04/08/2004 | WO2004029451A2 Supersonic gas compressor |
| 04/08/2004 | WO2004029418A1 Supercharger coupled to a motor/generator unit |
| 04/08/2004 | DE20218343U1 Elektronisch kommutierter Motor Electronically commutated motor |
| 04/08/2004 | DE10344699A1 Heat transfer system for cooling electronic circuit module for a microprocessor, incorporates pump for cooling fluid and fluid to air heat exchanger with ventilation fan remote from circuit module |
| 04/07/2004 | EP1404974A1 Compressor driveable by an electric motor |
| 04/07/2004 | EP1343954B1 Electrically driven flow compressor |
| 04/07/2004 | CN1487205A Fast connecting blade system |
| 04/07/2004 | CN1487204A Fast connecting blades system |
| 04/01/2004 | WO2004027234A1 Internally mounted radial flow intercooler for a combustion air charger |
| 04/01/2004 | US20040062661 Ambient air device |
| 04/01/2004 | US20040062656 Two-piece safety mechanism for ceiling fans |
| 04/01/2004 | US20040062648 Impeller |
| 04/01/2004 | CA2499376A1 Internally mounted radial flow intercooler for a combustion air charger |
| 03/31/2004 | EP1402186A1 Exhaust gas turbocharger |
| 03/31/2004 | CN1143961C Natural force exhauster with supercharging drainage hood |
| 03/30/2004 | US6713907 Blower for use in office automation equipment |
| 03/25/2004 | US20040057831 Ceiling fan |
| 03/25/2004 | US20040055740 Internally mounted radial flow intercooler for a combustion air charger |
| 03/25/2004 | DE10239147A1 Heater-blower unit for vehicle, has air channel entry opening located away from joint plane in first casing |
| 03/25/2004 | DE10010117B4 Beschichtete Kompressorleiteinrichtung Coated Kompressorleiteinrichtung |
| 03/24/2004 | EP1400697A1 Apparatus for controlling operating of the devices for recirculating and cooling a cooling fluid in engines |
| 03/24/2004 | EP0935704A4 Motor-assisted turbo-cooling system for internal combustion engines |
| 03/23/2004 | US6709246 Inflation/deflation device having spring biased value |
| 03/23/2004 | US6709238 Two-piece safety mechanism for ceiling fans |
| 03/23/2004 | US6709229 Bi-directional incoming air flow fan |
| 03/18/2004 | WO2004022978A1 Portable air circulation device |
| 03/18/2004 | WO2002070139A3 Compact centrifugal blower with annular stator |
| 03/18/2004 | US20040051418 Heat-dissipating fan |
| 03/18/2004 | DE20308011U1 Einteilig ausgebildetes Gehäuse für wärmeabführende Lüfter One-piece housing designed for heat dissipating fan |
| 03/17/2004 | CN2606816Y Fixing mechanism for mounting ceiling fan |
| 03/16/2004 | US6705833 Airflow flapper valve |
| 03/11/2004 | WO2003075733B1 Suction motor for vacuum cleaner |
| 03/11/2004 | US20040047752 Electrically driven flow compressor |
| 03/11/2004 | US20040047743 Portable air circulation device |
| 03/11/2004 | US20040047730 Bi-directional incoming air flow fan |
| 03/11/2004 | DE20319562U1 Axial fan, especially for notebook computers, contains rotor unit driven by cooperating coils and permanent magnets |
| 03/11/2004 | DE10239936A1 Radiator and fan system for motor vehicle has fan fastened to radiator, and coupling is provided between rotational axis of fan and drive axis of coupling which compensates for displacement of fan relative to fan's drive system |
| 03/10/2004 | CN2606203Y Miniature computer fan |
| 03/10/2004 | CN1480653A High efficiency ceiling fan |
| 03/10/2004 | CN1141497C Method for design of free fan with inclined airflow and inclined airflow free fan obtd. therefrom |
| 03/09/2004 | US6703754 Electric motor and brush retaining assembly |
| 03/09/2004 | US6702664 Portable fume exhauster-carpet and floor dryer |
| 03/09/2004 | US6702548 Tubeaxial fan assembly |
| 03/09/2004 | US6702545 Venturi fan |
| 03/04/2004 | WO2003031815B1 Downhole well pump |
| 03/04/2004 | US20040042916 Scalable integral fan motor assembly |
| 03/04/2004 | US20040042903 Combination structure of the blade rack and the blade of a ceiling fan |
| 03/03/2004 | EP1392981A1 Compressor unit comprising a centrifugal compressor and an electric motor |
| 03/03/2004 | CN2605403Y Electric fan with lamp |
| 03/03/2004 | CN1140705C Serial fan |
| 03/02/2004 | US6700781 Heat-dissipating module for removing heat generated from heat-generating device |
| 03/02/2004 | US6700284 Fan assembly including a segmented stator switched reluctance fan motor |
| 03/02/2004 | US6700273 Gas transfer machine |
| 03/02/2004 | US6700266 Multiple fault redundant motor |
| 03/02/2004 | US6700262 Rotary electric machine |
| 03/02/2004 | US6700257 Bearing fixed assembly in a direct current fan |
| 03/02/2004 | US6699301 Ventilator |