| Patents for F04C 25 - Adaptations for special use of pumps for elastic fluids (1,852) |
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| 08/14/2013 | CN103244421A 真空泵 Vacuum pump |
| 08/14/2013 | CN103244420A Manual vacuum pump |
| 08/14/2013 | CN103244419A Automobile vacuum pump capable of giving alarm |
| 08/14/2013 | CN103244418A Cylinder-type vacuum pump |
| 08/14/2013 | CN103244417A Improved vacuum pump |
| 08/14/2013 | CN103244416A Improved vacuum pump used for automobile |
| 08/14/2013 | CN103244415A Vacuum pump used for automobile |
| 07/31/2013 | CN203098284U Roots vacuum pump |
| 07/31/2013 | CN103228922A Vacuum pumping system |
| 07/31/2013 | CN103228921A Vacuum exhaust device coupling structure and vacuum exhaust system |
| 07/25/2013 | DE102012009419B3 "Vakuumpumpe" "Vacuum pump" |
| 07/18/2013 | WO2012127198A3 Vacuum pump with longitudial and annular seals |
| 07/18/2013 | WO2012098386A3 Pump with a stator arrangement comprising a first part and a second part |
| 07/17/2013 | EP2615307A1 Screw rotor for a screw vacuum pump |
| 07/17/2013 | CN203067290U Variable pitch screw of dry screw vacuum pump |
| 07/17/2013 | CN203067288U Environment-friendly vacuum unit |
| 07/11/2013 | WO2011141725A3 Vacuum pumping system |
| 07/10/2013 | CN103201520A Protective mesh for vacuum pump and vacuum pump with same |
| 07/10/2013 | CN103195717A One-way oil supply and lubrication sealing mechanical rotor vacuum pump system |
| 07/10/2013 | CN103195713A Vacuum pump |
| 07/10/2013 | CN103195712A Integral type sliding-vane rotary vacuum pump |
| 06/20/2013 | WO2013087822A1 Multi-stage vacuum pump device |
| 06/19/2013 | CN203009299U Vacuum pump group with single motor |
| 06/12/2013 | EP2602487A1 Vane pump |
| 06/12/2013 | CN202991495U Vacuumizer group suitable for circular exhausting machine |
| 06/05/2013 | CN202971195U Vacuum pump for braking systems |
| 06/05/2013 | CN202971194U Vacuum pump for vacuum truck |
| 05/30/2013 | WO2012069347A3 Microsystems for compressing or for converting a pressure difference into a displacement |
| 05/29/2013 | EP2597312A1 Vane compressor |
| 05/28/2013 | CA2570971C Refrigeration compressor with magnetic coupling |
| 05/23/2013 | WO2012073165A3 Vacuum pump for motor vehicles |
| 05/22/2013 | CN202946386U Driving device of vacuum pump |
| 05/22/2013 | CN202946385U Spiral slice energy-efficient and environment-friendly vacuum pump |
| 05/22/2013 | CN102162447B Slide valve type vacuum pump applicable to tile vacuum extruder |
| 05/22/2013 | CN102155409B Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof |
| 05/15/2013 | CN103104498A Vortex vacuum pump exhaust port structure |
| 05/15/2013 | CN103104491A Roots and claw-type rotor combined multi-stage dry vacuum pump |
| 05/15/2013 | CN103104490A Magnetic drive screw vacuum pump |
| 05/10/2013 | WO2012055734A3 Vacuum pump |
| 05/08/2013 | CN103089647A Multistage dry vacuum pump |
| 05/08/2013 | CN103089646A Improved single-stage oil-sealing sliding vane vacuum pump |
| 05/08/2013 | CN103089645A Improved Roots vacuum set |
| 05/08/2013 | CN103089644A Improved jet vacuum pump set |
| 05/08/2013 | CN103089643A Improved vortex vacuum pump |
| 05/08/2013 | CN103089642A Improved Roots vacuum pump |
| 05/08/2013 | CN103089641A Improved rotary-vane vacuum pump |
| 05/08/2013 | CN103089640A Improved slide valve vacuum pump |
| 05/08/2013 | CN103089639A Improved single stage rotary-vane vacuum pump |
| 05/08/2013 | CN103089638A Improved slide-valve Roots vacuum unit |
| 05/08/2013 | CN103089637A Improved Roots vacuum pump device |
| 05/08/2013 | CN103089636A Improved rotary-vane type oil seal vacuum pump |
| 05/08/2013 | CN103089635A Rotary-vane vacuum pump |
| 05/08/2013 | CN103089623A Improved air-cooled type Roots vacuum pump |
| 05/01/2013 | CN202914316U Low-noise Roots vacuum pump |
| 05/01/2013 | CN202914315U Double-stage roots vacuum pump |
| 05/01/2013 | CN101469704B 涡旋式流体机械 The scroll-type fluid machine |
| 04/25/2013 | WO2013057272A1 Gas pumping and treatment device |
| 04/25/2013 | DE102012218373A1 Vacuum vane pump comprises a flange which is positioned correctly with respect to a predetermined clearance, which depends essentially on the machining tolerances of components of vane pump and electric motor |
| 04/24/2013 | CN202900664U 罗茨滑阀真空机组 Roots slide valve vacuum unit |
| 04/24/2013 | CN202900663U Two-level slide valve vacuum pump |
| 04/24/2013 | CN103062057A Screw-type vacuum pump |
| 04/24/2013 | CN103062056A Screw rod type dry vacuum pump with combined screw rod rotor |
| 04/18/2013 | WO2012045554A3 Vane cell pump |
| 04/17/2013 | CN202883382U Electric vacuum pump |
| 04/17/2013 | CN103047142A Screw vacuum pump adopting dry gas seal |
| 04/10/2013 | CN202867219U Trilobal roots vacuum pump with magnetic transmission gear |
| 04/10/2013 | CN202867218U Roots vacuum pump with magnetic transmission gear |
| 04/10/2013 | CN103038514A Vane compressor |
| 04/04/2013 | WO2013046852A1 Claw pump |
| 04/03/2013 | CN202851358U Claw-type oil-free vacuum pump |
| 04/03/2013 | CN202851357U Roots vacuum pump |
| 03/20/2013 | EP2570673A1 Electric vacuum pump for a vehicle |
| 03/20/2013 | EP2569541A2 Vacuum pumping system |
| 03/20/2013 | CN102985698A Scroll pump |
| 03/20/2013 | CN102979731A Rotor profile of double-screw vacuum pump, and designing method of rotor profile |
| 03/14/2013 | DE112011101773T5 Schraubenvakuumpumpe Screw vacuum pump |
| 03/13/2013 | EP2567096A2 Screw vacuum pump |
| 03/13/2013 | CN202789526U Double-air-cooling type Root's vacuum pump |
| 03/13/2013 | CN102971538A Vacuum pump |
| 02/27/2013 | CN202756247U Single-headed varying pitch threaded rod rotor even in tooth top width |
| 02/27/2013 | CN202756246U Equal-teeth and top width single-head varying pitch screw rotor |
| 02/27/2013 | CN202756245U Sway piston type electric vacuum pump |
| 02/27/2013 | CN102943759A Electric vacuum pump |
| 02/21/2013 | WO2011066817A3 Vacuum pump |
| 02/20/2013 | CN202746205U Roots vacuum machine set for chemical tail gas treatment |
| 02/14/2013 | WO2012176991A3 Screw-type vacuum pump having a direct cooling device |
| 02/13/2013 | CN202732347U Vacuum pump used for processing teaseed oil |
| 02/13/2013 | CN102927009A Low-noise roots vacuum pump |
| 02/13/2013 | CN102927006A 摇摆活塞式电动真空泵 Rocking Piston electric vacuum pump |
| 02/07/2013 | WO2013018272A1 Pump system for gas exhaust and gas exhaust method |
| 02/06/2013 | EP2554848A2 Vacuum pump |
| 01/23/2013 | CN102889212A Rotary-vane efficient energy-saving environmental-friendly vacuum pump |
| 01/23/2013 | CN102889211A Novel double-rotary-blade type vacuum pump |
| 01/17/2013 | WO2013008399A1 Rotary mechanism of gas exhaust pump, method for producing same, gas exhaust pump provided with said rotary mechanism, and method for producing same |
| 01/17/2013 | WO2013007278A1 Vacuum pump for use in the automotive sector |
| 01/16/2013 | CN202673687U Integral type sliding vane rotary vacuum pump |
| 01/16/2013 | CN102884324A 螺杆真空泵 Screw vacuum pump |
| 01/16/2013 | CN102878080A 电动真空泵 Electric vacuum pump |
| 01/10/2013 | WO2012076204A3 Vacuum pump for applications in vacuum packaging machines |
| 01/09/2013 | CN102155408B Rotary-vane vacuum pump suitable for tile vacuum extruder |