| Patents for F04D 19 - Axial-flow pumps specially adapted for elastic fluids (3,780) |
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| 05/18/2011 | CN102066762A Shaft arrangement for fast-rotating shafts |
| 05/18/2011 | CN102062109A Vacuum pump |
| 05/18/2011 | CN102062108A Ensilage dump blower |
| 05/18/2011 | CN101213370B Fast energy-saving chamber pumping |
| 05/12/2011 | DE202011002476U1 Sauna-Ventilator Sauna Fan |
| 05/11/2011 | EP2320090A2 High vacuum pump |
| 05/11/2011 | EP1377752B1 Turbomolecular pump |
| 05/11/2011 | CN201827124U Central shaft seat tube structure and fan device thereof |
| 05/05/2011 | WO2011052675A1 Pump unit, vacuum device, and exhaust device for load lock chamber |
| 05/05/2011 | WO2011052087A1 Vacuum pump |
| 05/04/2011 | EP2317148A1 Vacuum pump |
| 05/04/2011 | CN102042089A Low btu fuel injection system |
| 04/28/2011 | WO2011048396A1 Vacuum pump |
| 04/28/2011 | CA2774601A1 Vacuum pump |
| 04/27/2011 | EP2315349A1 Motor driver circuit and vacuum pump equipped with motor driver circuit |
| 04/27/2011 | EP2314877A1 Vacuum pump |
| 04/27/2011 | EP1759118B1 Vacuum pump |
| 04/27/2011 | CN102032208A Self-adaptive control system and method of magnetic suspension molecular pump |
| 04/27/2011 | CN102032202A Gas extracting and exhausting device |
| 04/27/2011 | CN102032201A Overhung axial flow compressor, reactor and method |
| 04/20/2011 | EP2310687A1 Vacuum pump |
| 04/20/2011 | EP2310686A1 Vacuum pump |
| 04/20/2011 | EP2310632A1 Use of a rolling-element bearing for bearing rotating components in vacuum devices and vacuum device |
| 04/20/2011 | CN102022351A Method for widening stable working range of high-load axial flow gas compressor |
| 04/14/2011 | US20110085903 Omnidirectional electric fan |
| 04/13/2011 | EP1989449B1 Rotor assembly |
| 04/13/2011 | CN102011745A Neural network control system and method of magnetic suspension molecular pump |
| 04/13/2011 | CN102011739A Axial flow type fan and fan wheel thereof |
| 04/06/2011 | EP2304239A1 Vacuum pumping systems |
| 04/06/2011 | CN201786690U High-flow annular drag composite molecular pump |
| 04/06/2011 | CN102007299A Vacuum pump |
| 04/06/2011 | CN102007298A Turbomolecular pump |
| 04/05/2011 | CA2403632C Variable pitch fan |
| 03/31/2011 | WO2011036472A1 Mass spectrometer system |
| 03/31/2011 | CA2771200A1 Mass spectrometer system |
| 03/30/2011 | EP2300719A1 Shaft arrangement for fast-rotating shafts |
| 03/30/2011 | CN201779064U Energy-saving wing type axial flow fan |
| 03/30/2011 | CN101994713A Fan and electronic device provided with same |
| 03/24/2011 | DE202010012876U1 Luftführung für Ventilator Air duct for fan |
| 03/22/2011 | US7909568 Counter-rotating axial-flow fan |
| 03/16/2011 | EP2295813A2 Turbomolecular pump rotor |
| 03/16/2011 | EP2295812A1 Vacuum pump |
| 03/16/2011 | EP2295811A1 High-pressure compression unit for process fluids for industrial plant and a related method of operation |
| 03/16/2011 | EP1960668B1 Apparatus for detecting a flammable atmosphere within a compressor, in particular a vacuum pump |
| 03/16/2011 | CN201763631U Axial-flow fan for roof |
| 03/09/2011 | EP2292933A2 Assembly for connecting two components, in particular flange connection |
| 03/09/2011 | EP1851439B1 Vacuum pump |
| 03/09/2011 | CN101021220B Axial flow fan and housing for the same |
| 03/08/2011 | US7900652 Gas supply system for a pumping arrangement |
| 03/03/2011 | WO2011024528A1 Vacuum pump and member used for vacuum pump |
| 03/03/2011 | WO2011024261A1 Turbo-molecular pump and method of manufacturing rotor |
| 03/03/2011 | WO2011023448A1 Vacuum pump with pressure equalization |
| 03/03/2011 | DE102009039120A1 Vakuumpumpe Vacuum pump |
| 03/03/2011 | DE102009039119A1 Vakuumpumpe und Anordnung mit Vakuumpumpe Vacuum pump and vacuum pump arrangement with |
| 03/03/2011 | DE102009039118A1 Verfahren zum Betreiben einer Vakuumpumpe A method of operating a vacuum pump |
| 03/02/2011 | EP2290243A2 Method for operating a vacuum pump |
| 03/02/2011 | EP2290242A2 Vacuum pump |
| 03/02/2011 | EP2288812A1 Multi-stage vacuum pump |
| 03/02/2011 | CN201753690U Axial flow fan and air conditioning outdoor unit provided with same |
| 03/01/2011 | US7896625 Vacuum pumping system and method of operating a vacuum pumping arrangement |
| 02/24/2011 | WO2011021428A1 Vacuum pump |
| 02/24/2011 | DE202009013629U1 Vakuum-Wälzlageranordnung sowie Vakuumpumpe Vacuum roller bearing assembly and vacuum pump |
| 02/23/2011 | EP2032857B1 Compact low noise efficient blower for cpap devices |
| 02/23/2011 | CN101981321A Turbomolecular pump |
| 02/16/2011 | EP2284400A1 Turbo-molecular pump |
| 02/16/2011 | CN201747640U Fan |
| 02/16/2011 | CN201747632U Separated axial-flow blower |
| 02/09/2011 | EP2282061A1 Rotor assembly |
| 02/09/2011 | CN201739195U Converter gas dry process axial flow fan device |
| 02/03/2011 | DE102009035812A1 Turbomolekularpumpenrotor Turbo molecular pump rotor |
| 02/03/2011 | DE102009035332A1 Vakuumpumpe Vacuum pump |
| 02/03/2011 | DE102009034829A1 Apparatus for detachable attachment of blower e.g. axial blower, to housing wall of industrial electronic equipments, has two identical parts and central plate-shaped device, where front side of device includes supporting unit |
| 02/02/2011 | EP2279112A1 Turbo-machine having at least two counter-rotatable rotors and having mechanical torque compensation |
| 02/02/2011 | CN101965459A Electric fan |
| 01/26/2011 | CN201723468U Local ventilator |
| 01/26/2011 | CN201723467U Negative-pressure fan with good dust-exhausting property |
| 01/26/2011 | CN201723466U Negative pressure fan with high air suction efficiency |
| 01/26/2011 | CN201723465U Negative-pressure air fan with favorable daylighting performance |
| 01/26/2011 | CN101956722A Fan |
| 01/26/2011 | CN101956675A Jet-propelled wind driven generator |
| 01/26/2011 | CN101954180A Bicycle simulator |
| 01/20/2011 | US20110014073 Turbo-molecular pump |
| 01/19/2011 | CN101952604A Inlet connecting piece for an axial-flow compressor |
| 01/19/2011 | CN101952602A Turbo molecular pump |
| 01/19/2011 | CN101334043B Axial-flow fan |
| 01/13/2011 | WO2010111357A3 High-flow-capacity centrifugal hydrogen gas compression systems, methods and components therefor |
| 01/12/2011 | EP2273129A2 Electrical connection unit which can be attached to a vacuum pump |
| 01/12/2011 | EP2273128A1 Vacuum pump |
| 01/12/2011 | EP1797335B1 Rapidly rotating vacuum pump |
| 01/11/2011 | US7866940 Vacuum pump |
| 01/06/2011 | WO2009147241A3 Apparatus for indirect conversion of ocean wave energy into electric energy |
| 01/05/2011 | EP2268924A1 Vacuum pump |
| 01/05/2011 | CN201696313U Corrosion-proof axial flow fan |
| 01/05/2011 | CN201696312U Low-noise axial-flow fan |
| 01/05/2011 | CN101936296A Low-carbon technology dual-purpose axial flow fan |
| 01/05/2011 | CN101440819B Axial flow type four-air-out platform ventilator |
| 12/30/2010 | DE212009000061U1 Vakuumpumpe Vacuum pump |
| 12/29/2010 | WO2010149738A1 Method for predicting a rotation fault in the rotor of a vacuum pump, and associated pumping device |
| 12/29/2010 | CN201687738U Dust-proofing axial fan device |
| 12/29/2010 | CN101929471A Odor-removing draft fan for model preparation |