| Patents for F04D 19 - Axial-flow pumps specially adapted for elastic fluids (3,780) |
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| 11/08/2001 | DE10022061A1 Magnetic bearing arrangement with damping device especially for turbo-compressor, has two bearings each including stator annular magnet stack and rotor annular magnet stack |
| 11/06/2001 | US6312234 Turbo molecular pump |
| 10/24/2001 | EP1147691A1 Plasma vacuum pump |
| 10/23/2001 | US6305333 Air blower apparatus |
| 10/16/2001 | US6302641 Multiple type vacuum pump |
| 10/04/2001 | EP1138955A2 Method and apparatus for increasing the efficiency of a multi-stage compressor |
| 10/03/2001 | CN1072318C Air moving device |
| 10/02/2001 | US6296443 Vane sector seating spring and method of retaining same |
| 10/02/2001 | CA2224204C High efficiency, low-noise, axial fan assembly |
| 09/20/2001 | US20010022941 Turbo molecular pump |
| 09/18/2001 | US6290457 Vacuum pump |
| 09/11/2001 | US6288510 Drive controller for motor-driven high-speed rotating body and method for discriminating type of machine used therefor |
| 09/06/2001 | US20010019694 Turbomolecular pump |
| 09/06/2001 | DE10010371A1 Turbomolekularpumpe Turbomolecular pump |
| 09/05/2001 | EP1130269A2 Turbo-molecular pump |
| 08/30/2001 | US20010018018 Gas friction pump |
| 08/30/2001 | DE10008691A1 Gasreibungspumpe Gas friction pump |
| 08/29/2001 | EP1128069A2 Drag vacuum pump |
| 08/23/2001 | US20010016160 Turbo-molecular pump |
| 08/22/2001 | EP1126133A2 Convex compressor casing |
| 08/09/2001 | WO2001057403A1 Dynamic seal |
| 08/09/2001 | US20010012488 Vaccum pump |
| 08/09/2001 | US20010012485 Electronically controlled cryopump |
| 08/08/2001 | EP1122442A1 Bearing damping and centering system for a vacuum pump with magnetic bearings |
| 08/02/2001 | US20010010438 Damper system and bearing centering device for magnetic bearing vacuum pump |
| 08/02/2001 | DE10004263A1 Seal between stationary and rotating component in vacuum pump consists of blades arranged in herringbone pattern attached to each component |
| 08/01/2001 | EP1119710A1 Friction vacuum pump |
| 08/01/2001 | EP1119709A1 Friction vacuum pump with a stator and a rotor |
| 07/25/2001 | EP1118774A2 Vacuum pump |
| 06/28/2001 | DE19959893A1 Driven fan wheel for internal combustion engine has drive power value limited by torque, RPM or fan vane position by clutch |
| 06/26/2001 | US6253029 Vacuum processing apparatus |
| 06/20/2001 | EP1108145A1 Self-propelled vacuum pump |
| 06/12/2001 | US6244825 Pump-protecting device, pump-protecting method and pumping apparatus |
| 06/12/2001 | US6244821 Low speed cooling fan |
| 06/06/2001 | EP1104836A2 Vane sector seating spring and method of retaining same |
| 05/31/2001 | WO2001038742A1 Vacuum pump comprising an outlet |
| 05/25/2001 | WO2001036826A1 High-speed turbopump |
| 05/25/2001 | WO2001036825A1 Radial flow turbomolecular vacuum pump |
| 05/23/2001 | EP1101947A2 Rub resistant compressor stage |
| 05/23/2001 | EP1101945A2 Vacuum pumps |
| 05/23/2001 | EP1101944A2 Turbo molecular pump |
| 05/23/2001 | DE19956015A1 Turbomolekularpumpe Turbomolecular pump |
| 05/23/2001 | DE19955517A1 Schnelllaufende Turbopumpe High-speed turbo pump |
| 05/23/2001 | CN1066247C Axial flow fan assembly with low noise and high efficiency |
| 05/22/2001 | US6234747 Rub resistant compressor stage |
| 05/09/2001 | CN1294660A 轴流风扇 Axial Fan |
| 05/09/2001 | CN1294659A 轴流风扇 Axial Fan |
| 05/03/2001 | DE19951954A1 Turbomolekularpumpe Turbomolecular pump |
| 05/03/2001 | DE10042230A1 Axial fan for refrigerator has three blades and inner to outer diameter ratio of 0.21-0.25 |
| 05/02/2001 | EP1096152A2 Turbo molecular pump |
| 05/01/2001 | US6224326 Method and apparatus for preventing deposits from forming in a turbomolecular pump having magnetic or gas bearings |
| 04/25/2001 | CN1292851A Friction vacuum pump with stator and rotor |
| 04/24/2001 | US6220957 Reversing shuttle for air handling device |
| 04/24/2001 | US6220831 Turbomolecular pump |
| 04/24/2001 | US6220830 High efficiency blower and solar-powered soil remediation system |
| 04/24/2001 | US6220824 Self-propelled vacuum pump |
| 04/17/2001 | US6217278 Turbomolecular pump |
| 04/11/2001 | EP1091019A1 Vacuum exhaust system |
| 04/11/2001 | EP1090231A1 Frictional vacuum pump with chassis, rotor, housing and device fitted with such a frictional vacuum pump |
| 04/10/2001 | US6213737 Damper device and turbomolecular pump with damper device |
| 03/28/2001 | CN1289013A Air-blower, air-blower system and air-blowing method for air-blower system |
| 03/21/2001 | EP1085214A2 Vacuum pumps |
| 03/14/2001 | EP1083349A1 Magnetic bearing device and vacuum pump |
| 03/13/2001 | US6200107 Vacuum pumping systems |
| 03/08/2001 | DE19942410A1 Vakuumpumpe Vacuum pump |
| 03/07/2001 | EP1081387A2 Vacuum pump |
| 03/07/2001 | EP1081380A1 Device and method for evacuation |
| 03/06/2001 | US6196169 Cooling device for a vehicle combustion motor |
| 02/28/2001 | EP1078166A1 Friction vacuum pump with a stator and a rotor |
| 02/27/2001 | US6194800 Magnetic bearing |
| 02/27/2001 | US6193478 Construction of a fan |
| 02/27/2001 | US6193461 Dual inlet vacuum pumps |
| 02/27/2001 | US6192839 Cooling apparatus for construction machine, and construction machine |
| 02/21/2001 | EP1077329A1 Vacuum device |
| 02/20/2001 | US6190126 Fan impeller assembly for cooling systems of internal combustion engines |
| 02/15/2001 | WO2001011242A1 Stator ring for a turbomolecular vacuum pump |
| 02/15/2001 | WO2001011240A1 Friction vacuum pump with active pumping elements |
| 02/15/2001 | WO2000049342A3 Low speed cooling fan |
| 02/15/2001 | CA2379547A1 Stator ring for a turbomolecular vacuum pump |
| 02/14/2001 | CN1283751A Energy-saving compressor with single screw bolt |
| 02/13/2001 | US6186749 Molecular drag pump |
| 02/08/2001 | DE19937393A1 Statorring für eine Turbomolekularvakuumpumpe Stator for a turbo-molecular vacuum pump |
| 02/08/2001 | DE19937392A1 Reibungsvakuumpumpe mit pumpaktiven Elementen Friction vacuum pump with pump-active elements |
| 02/07/2001 | CN1282845A Adjustable crank of crank rocker mechanism |
| 02/06/2001 | US6184640 DC brushless motor, magnetic bearing device and turbomolecular pump device |
| 02/06/2001 | US6183196 Blower |
| 01/30/2001 | US6179573 Vacuum pump with inverted motor |
| 01/30/2001 | US6179562 Blower |
| 01/25/2001 | WO2001006129A1 Friction vacuum pump for use in a system for regulating pressure and pressure regulating system comprising a friction vacuum pump of this type |
| 01/18/2001 | DE19933332A1 Reibungsvakuumpumpe für den Einsatz in einem System zur Druckregelung sowie Druckregelungssystem mit einer Reibungsvakuumpumpe dieser Art Friction vacuum pump for use in a pressure control system and pressure regulation system having a friction vacuum pump of this kind |
| 01/17/2001 | EP1068456A1 Dual inlet vacuum pumps |
| 01/11/2001 | DE19930952A1 Vakuumpumpe Vacuum pump |
| 01/10/2001 | EP1067290A2 Vacuum pump |
| 01/09/2001 | US6172372 Scanning system with linear gas bearings and active counter-balance options |
| 01/04/2001 | DE19929519A1 Verfahren zum Betrieb einer Mehrkammer-Vakuumanlage Method for operating a multi-chamber vacuum system |
| 01/03/2001 | EP1065385A2 Method of operating a multi-chamber vacuum system |
| 01/02/2001 | US6168374 Friction vacuum pump |
| 12/28/2000 | WO2000079134A1 Self-propelled vacuum pump |
| 12/27/2000 | EP1063456A2 Integrated turbo pump and control valve system |
| 12/20/2000 | EP1061262A2 Turbo-molecular pump |