| Patents for F04C 25 - Adaptations for special use of pumps for elastic fluids (1,852) |
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| 11/17/2010 | CN201636006U Double-section roots vacuum pump |
| 11/04/2010 | WO2010125368A2 Vacuum pump |
| 10/27/2010 | CN101871454A Vertical rotating sheet type vacuum pump |
| 10/27/2010 | CN101871453A Oil-sealed rotary-vane vacuum pump for vacuumization |
| 10/26/2010 | US7819646 Rotary piston vacuum pump with washing installation |
| 10/20/2010 | CN101865135A Axial float positioning device for rotor shaft of vacuum pump |
| 10/06/2010 | CN101855454A Multi-stage dry pump |
| 09/29/2010 | CN201593503U Vacuum buffer tank for Roots vacuum unit |
| 09/29/2010 | CN101349271B Novel water-ring type vacuum pump |
| 09/22/2010 | CN201588782U Small-sized single-stage rotary vane type vacuum pump |
| 09/15/2010 | CN201584850U Mine flame-proof excitation generator with vacuum pump |
| 08/25/2010 | EP2221482A1 Multi-stage dry pump |
| 08/25/2010 | CN201560947U Vacuum pump shell |
| 08/25/2010 | CN201560946U Vacuum pump blade |
| 08/25/2010 | CN201560944U Vacuum pump |
| 08/25/2010 | CN101813089A Novel subway pollutant discharge vacuum machine set integration |
| 08/25/2010 | CN101812864A Building vacuum sewage system |
| 08/19/2010 | US20100209259 Evacuation apparatus |
| 08/18/2010 | CN201554650U Whole pump shell of vacuum pump |
| 08/18/2010 | CN201554649U Rotor of vacuum pump |
| 08/18/2010 | CN201552285U Vacuum pump shell mould |
| 08/18/2010 | CN101809290A Vacuum pump with two helical rotors |
| 08/11/2010 | CN101799011A Vehicle vacuum pump |
| 08/04/2010 | CN101463815B Full-vortex spin-dry type vacuum pump |
| 08/04/2010 | CN101354038B Novel non-leakage mechanical seal single-stage sliding valve vacuum pump |
| 07/29/2010 | WO2010052060A3 Method for operating an oil-tight vacuum pump and oil-tight vacuum pump |
| 07/29/2010 | US20100189583 Dry vacuum pump including a lubricating fluid sealing device and a centrifuge element equipping such a device |
| 07/28/2010 | CN201535247U 旋片式真空泵自动充气装置 Rotary vane vacuum pump automatic inflatable devices |
| 07/28/2010 | CN201535246U 单级旋片式真空泵 Single-stage rotary vane vacuum pump |
| 07/22/2010 | DE102009005032A1 Vibration reducing device for use in vacuum pump system, has phase shifting device for shifting phase angles of synchronized rotary frequencies against each other at pre-determined phase shift |
| 07/15/2010 | US20100178187 Vacuum pump |
| 07/08/2010 | WO2010076245A1 Vacuum pump |
| 07/08/2010 | US20100172782 Vacuum pump |
| 07/08/2010 | DE102008063132A1 Vacuum pump type identifying method, involves accelerating rotor element of vacuum pump over preset time interval, determining rotor speed at end of time interval, and determining pump type based on rotor speed and mass-inertia moment |
| 07/01/2010 | DE102008063281A1 Vakuumpumpe Vacuum pump |
| 07/01/2010 | DE102008063133A1 Vakuumpumpe Vacuum pump |
| 06/29/2010 | US7744356 Screw vacuum pump with male and female screw rotors having unequal leads |
| 06/24/2010 | WO2010031683A3 Vacuum pump |
| 06/17/2010 | WO2010066988A2 Dry vacuum pump, and associated assembly method |
| 06/16/2010 | EP2196675A2 Rotary vacuum pump |
| 06/16/2010 | EP2196669A2 Assembly with vacuum pump and method for operating same |
| 06/10/2010 | WO2010064588A1 Vacuum pump |
| 06/10/2010 | DE102008060540A1 Wälzkolbenvakuumpumpe Roots vacuum pump |
| 06/10/2010 | DE102008060539A1 Zweiwellige Vakuumpumpe Double wall vacuum pump |
| 06/03/2010 | WO2010061939A1 Dry vacuum pump unit |
| 06/03/2010 | WO2010061937A1 Dry vacuum pump unit and method for starting the same, and air-cooled dry vacuum pump |
| 06/01/2010 | CA2438852C Oil separator for oil-flooded pumps |
| 05/27/2010 | DE102008059228A1 Vakuumpumpe Vacuum pump |
| 05/27/2010 | DE102008059227A1 Vakuumpumpe Vacuum pump |
| 05/26/2010 | CN201486861U Device for quickly pumping vacuum |
| 05/25/2010 | CA2462934C Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor |
| 05/20/2010 | DE102008057854A1 Vakuumpumpe mit Festlageranordnung Vacuum pump with bearing arrangement |
| 05/19/2010 | CN201474974U Water-ring vacuum pump |
| 05/19/2010 | CN201474971U Lobed rotor compressor or vacuum pump |
| 05/12/2010 | EP2183484A1 Fkm or ffkm multiple layers seal |
| 05/12/2010 | DE102008057548A1 Verfahren zum Betreiben einer ölgedichteten Vakuumpumpe sowie ölgedichtete Vakuumpumpe A method of operating an oil-sealed vacuum pump and oil-sealed vacuum pump |
| 05/12/2010 | CN201461408U DC electric vacuum pump for automobile |
| 05/05/2010 | CN201448238U Marsh gas vacuum pump |
| 04/29/2010 | WO2010047602A1 Integrated pump for compressible fluids |
| 04/21/2010 | CN201439753U Vacuum pump of 1.9L high-pressure common-rail pressurizing inter-cooling diesel engine |
| 04/15/2010 | WO2010041445A1 Dry pump |
| 04/15/2010 | US20100092323 Vane type vacuum pump |
| 04/07/2010 | EP2171280A2 Vacuum pump |
| 03/31/2010 | CN201433893Y Spiral anti-clawed vacuum pump |
| 03/30/2010 | US7686600 Vaccum pump having shaft seal to prevent corrosion and to ensure smooth operation |
| 03/25/2010 | WO2010031359A1 Vacuum pump |
| 03/24/2010 | CN201428601Y Improved structure for chamber body of aluminium vacuum pump |
| 03/24/2010 | CN201428598Y Vacuum device |
| 03/24/2010 | CN201428596Y Vortex dry vacuum pump |
| 03/24/2010 | CN101676563A Vacuum pump |
| 03/10/2010 | CN201420674Y Improved rotary vane vacuum pump |
| 03/10/2010 | CN201420673Y Screw vacuum pump |
| 03/03/2010 | EP2159424A1 Vane type vacuum pump |
| 02/17/2010 | CN201407177Y Hand-operated vacuum pump |
| 02/11/2010 | WO2010015501A1 Use of a rolling-element bearing for bearing rotating components in vacuum devices and vacuum device |
| 02/11/2010 | DE102008036273A1 Rotationskolbenpumpe mit Taschen für Schmiermittel Rotary piston pump with pockets for lubricant |
| 02/03/2010 | CN201396282Y Novel subway sewage drainage vacuum unit assembly |
| 02/03/2010 | CN201396281Y Multistage three-blade Roots vacuum pump |
| 02/03/2010 | CN201396280Y Rotary vane vacuum pump |
| 02/03/2010 | CN201396279Y Rotary vane vacuum pump |
| 02/03/2010 | CN201395854Y Vacuum drainage system used in building |
| 01/28/2010 | DE102008034073A1 Vacuum pump i.e. roots pump, has valve opened during exceeding of maximum pressure difference between pressure side and suction side of suction chamber, and valve unit designed as pivotable valve flap |
| 01/27/2010 | CN201391453Y Roller vacuum pump |
| 01/27/2010 | CN201391452Y Vertical type vacuum pump |
| 01/06/2010 | CN201377428Y Low-noise air-cooled roots vacuum pump |
| 12/31/2009 | DE102007001593B4 Vakuumpumpe Vacuum pump |
| 12/30/2009 | WO2009156287A1 Method for cleaning vacuum pumps |
| 12/30/2009 | EP2137411A1 Vacuum pump |
| 12/29/2009 | US7637726 Screw vacuum pump |
| 12/24/2009 | DE202009011315U1 Ölförder- und Vakuumpumpe Oil production and vacuum pump |
| 12/24/2009 | DE102004058399B4 Pumpe Pump |
| 12/23/2009 | CN201368025Y Improved structure of screw stem vacuum pump |
| 12/23/2009 | CN101608619A Spiral anti-clawed vacuum pump |
| 12/23/2009 | CN100572816C Variable capacity multi-cylinder rotary compressor and its running method |
| 12/16/2009 | EP2131648A1 A method in a milking system for creating a required vacuum level and computer program products |
| 12/16/2009 | CN201363275Y Vehicle-used vacuum pump |
| 12/16/2009 | CN101603536A Electric vacuum pump for automobile |
| 12/09/2009 | CN101598129A Direct-current power-driven vacuum pump used for automobile |
| 12/08/2009 | CA2358587C Twin vane concentric pump |
| 12/02/2009 | EP2126361A1 Vacuum pump |