| Patents for F04D 19 - Axial-flow pumps specially adapted for elastic fluids (3,780) |
|---|
| 09/30/2004 | US20040191079 Vacuum apparatus |
| 09/30/2004 | DE4309929B4 Verfahren zur Evakuierung durch eine Vakuumpumpe A process for the evacuation by a vacuum pump |
| 09/29/2004 | CN1169409C Plasma vacuum pump |
| 09/23/2004 | WO2004081387A1 Counterrotating axial blower |
| 09/23/2004 | US20040183509 Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto |
| 09/22/2004 | EP1460294A2 Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto |
| 09/22/2004 | EP1460293A2 Magnetic bearing device and pump device with the magnetic bearing device mounted thereto |
| 09/22/2004 | EP0981694B1 A vacuum pump with magnetic bearing system |
| 09/22/2004 | EP0981691B1 Vacuum pump with back-up bearing assembly |
| 09/22/2004 | EP0981690B1 Vacuum pump with magnetic bearing system and back-up bearings |
| 09/21/2004 | US6793466 Vacuum pump |
| 09/16/2004 | WO2004079192A1 Vacuum device and vacuum pump |
| 09/15/2004 | CN1529794A Turb-molecular pump with enhanced exhausting ability |
| 09/10/2004 | WO2004077005A1 Test-gas leak detector |
| 09/09/2004 | US20040175261 Method of manufacturing vacuum pump rotors, and rotors obtained thereby |
| 09/09/2004 | DE10308420A1 Testgaslecksuchgerät Test Gas Leak Detector |
| 09/08/2004 | CN1165686C Sand-discharging water pump |
| 08/31/2004 | US6784580 Motor and pressure generating apparatus incorporating the motor |
| 08/24/2004 | US6779969 Vacuum pump |
| 08/19/2004 | DE10305038A1 Vakuumpumpanordnung Vacuum pump assembly |
| 08/19/2004 | DE10304990A1 Turbo molecular pump has stator discs spaced out by oversized distance rings separated at a point with separating line at inclined angle to press rings against inside wall of housing during assembly |
| 08/18/2004 | EP1447567A2 Vacuum pump arrangement |
| 08/12/2004 | WO2004068099A1 Leak detector comprising an inlet |
| 08/12/2004 | US20040156715 Turbomolecular pump having multistage stator spacers |
| 08/12/2004 | US20040156713 Vacuum pump |
| 08/12/2004 | DE19506849B4 Stromversorgungsschaltkreis für Magnetlagersystem Power supply circuit for magnetic bearing system |
| 08/12/2004 | DE10032607B4 Teilchenstrahlgerät mit einer im Ultrahochvakuum zu betreibenden Teilchenquelle und kaskadenförmige Pumpanordnung für ein solches Teilchenstrahlgerät Particle beam with a to be operated in an ultrahigh vacuum and particle cascade pumping arrangement for such a particle beam |
| 08/11/2004 | CN2632350Y Screw air compressor for petroleum well drilling |
| 08/05/2004 | WO2004055376A3 Vacuum pumping arrangement |
| 08/05/2004 | DE10302987A1 Lecksuchgerät mit einem Einlass Leak detector with an inlet |
| 08/04/2004 | EP1443214A1 Turbomolecular pump stator |
| 08/04/2004 | EP1442222A1 Vacuum pump |
| 07/29/2004 | US20040146410 Vacuum pump system |
| 07/29/2004 | DE10302764A1 Vakuumpumpsystem The vacuum pumping system |
| 07/28/2004 | EP1441128A2 Vacuum pump system |
| 07/15/2004 | WO2004059265A2 Molecular speed and direction selection |
| 07/15/2004 | WO2004059147A2 Heteroscopic turbine |
| 07/08/2004 | WO2004057260A2 Heat exchange technique |
| 07/08/2004 | DE19959893B4 Angetriebenes Lüfterrad, insbesondere für Brennkraftmaschinen Driven fan, in particular for internal combustion engines |
| 07/01/2004 | WO2004055378A1 Vacuum pumping arrangement and method of operating same |
| 07/01/2004 | WO2004055377A1 Vacuum pumping system and method of operating a vacuum pumping arrangement |
| 07/01/2004 | WO2004055376A2 Vacuum pumping arrangement |
| 07/01/2004 | WO2004055375A1 Vacuum pumping arrangement |
| 06/30/2004 | CN2622435Y Spraying axial flow ventilation fan |
| 06/29/2004 | US6755611 Vacuum pump |
| 06/29/2004 | US6755028 Electronically controlled cryopump |
| 06/22/2004 | US6752588 Vacuum pump |
| 06/09/2004 | EP1425517A1 Device and method used to automatically compensate for synchronous disturbances |
| 05/26/2004 | EP1422423A1 Apparatus with evacuatable chamber |
| 05/25/2004 | US6739840 Speed control of variable speed pump |
| 05/20/2004 | US20040096311 Mechanical kinetic vacuum pump with rotor and shaft |
| 05/19/2004 | EP1173359B1 Low speed cooling fan |
| 05/18/2004 | US6736606 Vacuum apparatus |
| 05/18/2004 | US6736593 Protective device for a turbo molecular pump and method of protecting a turbo molecular pump |
| 05/13/2004 | US20040091351 Turbomolecular vacuum pump with rows of rotor blades and rows of stator blades |
| 05/11/2004 | US6732502 Counter rotating aircraft gas turbine engine with high overall pressure ratio compressor |
| 05/06/2004 | US20040086401 Air jet flow system |
| 05/06/2004 | US20040086382 Gas turbine engine axial stator compressor |
| 05/06/2004 | US20040084544 Low speed cooling fan |
| 05/06/2004 | DE4237971B4 Vakuumpumpe mit Wandler Vacuum pump with converter |
| 04/29/2004 | US20040081569 Molecular pump and flange |
| 04/29/2004 | US20040081560 Turbomolecular pump |
| 04/28/2004 | EP1413761A2 Molecular pump and flange |
| 04/22/2004 | WO2004020839A3 Device for fixing a vacuum pump |
| 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 | US20040076510 Turbo/drag pump having a composite skirt |
| 04/22/2004 | US20040075063 Differential pumping system and exposure apparatus |
| 04/21/2004 | CN1490526A 真空泵 Vacuum pump |
| 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 | CN2611642Y Wing type axial-flow smoke removing fan with equal length of vane chord |
| 03/31/2004 | EP1402975A1 Method of manufacturing vacuum pump rotors, and rotors obtained thereby |
| 03/31/2004 | EP1401705A1 Ship pod-mounted hydrojet propeller unit driven by a hollow electric motor |
| 03/31/2004 | CN2608730Y Electric pump having air faucet with piston seat |
| 03/23/2004 | US6709236 High-speed turbo pump |
| 03/23/2004 | US6709228 Vacuum pumps |
| 03/23/2004 | US6709226 Vacuum pump |
| 03/17/2004 | EP1398507A2 Multistage Roots-type vacuum pump |
| 03/16/2004 | US6705844 Dynamic seal |
| 03/16/2004 | US6705830 Vacuum pump |
| 03/11/2004 | WO2004020839A2 Device for fixing a vacuum pump |
| 03/11/2004 | US20040047755 Vacuum pump |
| 03/10/2004 | EP1396760A2 Differential pumping system and exposure apparatus |
| 03/10/2004 | EP1396649A2 Magnetic bearing device with vibration restraining function, magnetic bearing device with vibration estimating function, and pump device with the magnetic bearing devices mounted thereto |
| 03/10/2004 | CN1481479A Axial flow turbo compressor |
| 03/09/2004 | US6702548 Tubeaxial fan assembly |
| 03/09/2004 | US6702544 Friction vacuum pump for use in a system for regulating pressure and pressure regulating system comprising a friction vacuum pump of this type |
| 03/04/2004 | WO2004018879A1 Vacuum pump and method of starting the same |
| 03/04/2004 | US20040041478 Magnetic bearing device with vibration restraining function, magnetic bearing device with vibration estimating function, and pump device with the magnetic bearing devices mounted thereto |
| 03/02/2004 | US6699009 Vacuum pump |
| 02/26/2004 | US20040037695 Turbomolecular vacuum pump with the rotor and stator vanes |
| 02/25/2004 | CN1139731C 轴流风扇 Axial Fan |
| 02/25/2004 | CN1139730C 轴流风扇 Axial Fan |
| 02/19/2004 | WO2004015272A1 Evacuating device |
| 02/19/2004 | US20040033153 Fluid transport system and method therefor |
| 02/19/2004 | US20040033130 Compound friction vacuum pump |
| 02/19/2004 | DE10215491A1 Two-stage axial fan for tape drive system has static pressure creation caused at static pressure exactly equaling negative pressure at blade exit |
| 02/12/2004 | US20040027019 Motor and turbo-molecular pump |
| 02/12/2004 | DE19519841B4 Flügelzellenpumpe Vane pump |
| 02/04/2004 | CN1472440A Fluid conveying system and method |