| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 12/12/2007 | CN100354095C Polymer melt mixing and conveying equipment |
| 12/06/2007 | WO2007139438A2 Worm gerotor pump |
| 12/06/2007 | WO2007139437A2 Configuration of a worm gerotor pump |
| 12/06/2007 | WO2007138093A1 Adjustable displacement pump |
| 12/06/2007 | WO2007137781A1 Gear pump, in particular for a steering servo unit |
| 12/06/2007 | US20070280844 Rotary Machine and Internal Combustion Engine |
| 12/06/2007 | DE102006025474A1 Gear pump for use in adhesive applying device for delivering of fluids, has gear wheels provided with set of teeth along its extent, where teeth exhibit head that is implemented in sharp manner |
| 12/06/2007 | DE102006025367A1 Gear pump e.g. lubricating oil pump, for e.g. vehicle`s transmission, has suction and pressure areas in fluid connection with respective intermediate areas, where volume of areas is increased and/or decreased via rotation of wheel and pin |
| 12/06/2007 | DE102006025182A1 Zahnradpumpe, insbesondere für eine Servolenkung Gear pump, in particular for a power steering |
| 12/05/2007 | EP1861623A1 Vane machine, in particular vane pump |
| 12/05/2007 | EP1861319A2 Methods and apparatus for pumping and dispensing |
| 12/05/2007 | CN200985882Y Spoon type liquid pump |
| 12/05/2007 | CN101084378A Variable capacity vane pump with dual control chambers |
| 12/05/2007 | CN101084377A Variable capacity gerotor pump |
| 12/05/2007 | CN101082336A internal gear rotary pump or motor |
| 12/05/2007 | CN100353071C 电动压缩机 Electric compressor |
| 12/05/2007 | CN100353067C 可变容量旋转压缩机 The variable capacity rotary compressor |
| 12/04/2007 | US7303380 Rotary engine with improved seal assembly |
| 12/04/2007 | CA2240169C Twin feed screw |
| 11/29/2007 | WO2007136438A1 Gear pump for pumping abrasive well fluid |
| 11/29/2007 | WO2007136028A1 Gear pump and method of producing the same |
| 11/29/2007 | WO2007135261A1 A rotary displacement pump with space-saver radial |
| 11/29/2007 | US20070274853 Gear Tooth and External Gear Pump |
| 11/29/2007 | DE202006020113U1 Vorrichtung zur Füllungsoptimierung bei Drehkolbenpumpen Apparatus for filling optimization for rotary pumps |
| 11/29/2007 | CA2647372A1 A rotary displacement pump with space-saver radial |
| 11/29/2007 | CA2647191A1 Gear pump for pumping abrasive well fluid |
| 11/28/2007 | CN200982292Y Power apparatus of concrete pump |
| 11/28/2007 | CN101080573A Vane pump |
| 11/28/2007 | CN101080572A Vane cell pump |
| 11/28/2007 | CN100351555C Discharge high-pressure axle seal element |
| 11/27/2007 | US7300267 Unit for delivering fuel to an internal combustion engine |
| 11/27/2007 | US7299629 Charge/auxiliary circuit for reducing power losses in hydrostatic systems |
| 11/27/2007 | CA2240168C Double worm system |
| 11/22/2007 | WO2007131994A1 Gearwheel pump |
| 11/22/2007 | WO2007131636A1 Coating device and associated operating method |
| 11/22/2007 | WO2007131476A1 Stator casing for eccentric worm pumps |
| 11/22/2007 | US20070269325 Modular Volumetric Compressor |
| 11/22/2007 | DE102006013111A1 Gear wheel pump for conveying color lacquers, has two combing gear wheels pivot-mounted by propelled drive shaft, where bearing positions are sealed to both sides of gear wheel opposite pumping chamber by multiple sealants |
| 11/22/2007 | CA2650245A1 Vane machine |
| 11/21/2007 | EP1857679A1 Vane pump |
| 11/21/2007 | EP1315908B1 Roller vane pump incorporating a bearing bush |
| 11/21/2007 | CN200978798Y Water diversion and pumping device |
| 11/21/2007 | CN200978797Y K gear pump axle end seal structure |
| 11/21/2007 | CN200978796Y Gearing pump |
| 11/21/2007 | CN200978795Y Vertical cycloid rotary pump |
| 11/21/2007 | CN101074665A Linear conjugated internal-clutch high-pressure gear pump |
| 11/20/2007 | US7296984 Gear pump and liquid injection apparatus |
| 11/15/2007 | WO2007129615A1 Trochoid pump |
| 11/15/2007 | WO2007129403A1 Rotary type fluid machine |
| 11/15/2007 | WO2007128303A1 Rotary piston machine |
| 11/15/2007 | WO2007128257A1 Delivery device for a fluid |
| 11/15/2007 | WO2007097728A3 Pump and motor |
| 11/15/2007 | US20070264148 Gear pump arrangement |
| 11/15/2007 | US20070264144 Extruder System with Integrated Gear Pump |
| 11/15/2007 | DE102006021897A1 Statormantel für Exzenterschneckenpumpe Stator for eccentric screw pump |
| 11/15/2007 | DE102006021815A1 Hydraulic gear wheel machine e.g. external gear pumps used in movable hydraulics, comprises external gear pump with gear wheel system in inner chamber and mesh supported in bearing support opposite to housing |
| 11/15/2007 | DE102004006588B4 Kontinuierliche Herstellung von Profilen aus Kohlenstoffwerkstoff und so hergestelltes Profil Continuous production of profiles from carbon material and so machined profile |
| 11/14/2007 | EP1855008A1 Gear pump |
| 11/14/2007 | EP1855007A1 Gear pump |
| 11/14/2007 | EP1855006A2 Rotary piston pump |
| 11/14/2007 | EP1855005A1 Rotary positive displacement pump with reduced radial space requirement |
| 11/14/2007 | CN200975339Y High concentration pump |
| 11/14/2007 | CN200975338Y Roter used for rotary type displacement pump |
| 11/14/2007 | CN101070842A Single-double-cylinder horizontal diesel machine-oil pump |
| 11/08/2007 | US20070259199 Oil pump |
| 11/08/2007 | DE102007011669A1 Pumpvorrichtung und Servolenkung Pumping device and power steering |
| 11/07/2007 | EP1852612A1 Gear pump |
| 11/07/2007 | EP1852611A1 Pump rotors |
| 11/07/2007 | EP1631745B1 Vane-cell pump provided with a deep-drawn metal-sheet pot |
| 11/07/2007 | EP1629202B1 Gear pump and holding element therefor |
| 11/07/2007 | EP1421282B1 Fluid displacement pump with backpressure stop |
| 11/07/2007 | CN200971860Y Portable electric oil-well pump |
| 11/07/2007 | CN200971859Y 齿轮泵 Gear pumps |
| 11/07/2007 | CN200971858Y High gas-containing ratio oil gas mixed transport doublescrew pump |
| 11/07/2007 | CN200971857Y Gear electric fuel pump body |
| 11/07/2007 | CN101067417A Multistage double-circular arc gear high pressure large flow pump |
| 11/06/2007 | US7290995 Tandem type trochoid pump and method of assembling the same |
| 11/06/2007 | US7290994 Rotary hermetic compressor and refrigeration cycle system |
| 11/06/2007 | US7290991 Dual oil supply pump |
| 11/06/2007 | US7290923 Extruder/gear pump assembly |
| 11/03/2007 | CA2587050A1 Swivelling device for a downhole rod pump |
| 11/01/2007 | WO2007123607A1 Variable displacement sliding vane pump |
| 11/01/2007 | US20070253855 Pump Apparatus and Power Steering |
| 11/01/2007 | US20070253835 Displacement machine |
| 11/01/2007 | CA2647376A1 Variable displacement sliding vane pump |
| 10/31/2007 | EP1848892A1 Crescent gear pump with novel rotor set |
| 10/31/2007 | EP1778980B1 Eccentric screw pump with integrated drive |
| 10/31/2007 | DE102006018285A1 Pump particularly gearwheel pump or vane-cell pump, has pump part rotating within pump housing, where wall area of pump housing and rotary pump part is formed changeable |
| 10/31/2007 | CN200968284Y 旋转活塞泵 Rotary piston pump |
| 10/31/2007 | CN200968283Y Abrasion-proof cam wheel rotor pump |
| 10/31/2007 | CN200968282Y Engine oil pump spindle inner rotor component |
| 10/31/2007 | CN200968281Y Gear ring pump |
| 10/31/2007 | CN101063447A Pump apparatus and power steering |
| 10/30/2007 | US7287970 Roots compressor |
| 10/30/2007 | CA2438679C Device for axially conveying fluids |
| 10/25/2007 | WO2007083232A3 Rotary fluid pressure device and improved parking lock assembly therefor |
| 10/25/2007 | US20070248482 Internal gear pump |
| 10/25/2007 | DE102006018183A1 Rotary piston machine, has operating chamber provided between rotary pistons, where chamber changes its volume and/or its length during rotation of rotary pistons and is fillable with compressible operating fluid |
| 10/24/2007 | EP1847713A2 Adjustable wear-resistant rotary pump |
| 10/24/2007 | EP1423587B1 A system for the construction of pumps, compressors, and motor engines |