| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 03/22/2007 | US20070065324 Rotary compressor |
| 03/22/2007 | US20070062482 Orbital engine/pump with multiple toroidal cylinders |
| 03/22/2007 | DE19833374B4 Verdrängerpumpe Displacement pump |
| 03/22/2007 | DE102005044576A1 Innenzahnradmaschine Internal gear pump |
| 03/22/2007 | CA2622211A1 Method of generation of a surgeless flow of the working fluid and a device for its implementation |
| 03/21/2007 | EP1764506A2 Internal gear pump |
| 03/21/2007 | CN1932289A 定子系统 Stator system |
| 03/20/2007 | US7192264 Hyrdraulic motor |
| 03/20/2007 | US7192263 Pump and ink jet printer mounting the pump |
| 03/20/2007 | US7192262 Twin-shaft vacuum pump and method of forming same |
| 03/20/2007 | US7192260 Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining |
| 03/15/2007 | WO2007028429A1 Gearwheel pump |
| 03/15/2007 | WO2005081890A3 Archimedean conveyors and combustion engines |
| 03/15/2007 | US20070059195 Rotary piston pump end pressure regulation system |
| 03/15/2007 | US20070059194 Rotor apparatus of pump |
| 03/15/2007 | US20070059193 Scroll compressor with vapor injection |
| 03/15/2007 | US20070059192 Flanged sleeve guide |
| 03/15/2007 | US20070059191 Stator system |
| 03/15/2007 | US20070059187 Oil and vacuum pumps group for a motor vehicle engine |
| 03/15/2007 | DE102005042559A1 Statorsystem Stator |
| 03/14/2007 | EP1762726A2 Stator system of a progressive cavity pump |
| 03/14/2007 | EP1761706A1 Pump |
| 03/14/2007 | CN2878730Y Large-output vane pump |
| 03/14/2007 | CN2878729Y 齿轮喷雾泵 Gear spray pump |
| 03/14/2007 | CN2878728Y Oil pump |
| 03/14/2007 | CN1930395A Modular volumetric compressor |
| 03/14/2007 | CN1928367A Pump rotor device |
| 03/14/2007 | CN1928365A Blade pump for hydraulic engine with pore plate centrifugal auxiliary pump |
| 03/14/2007 | CN1928364A Hydraulic engine gear pump |
| 03/14/2007 | CN1304757C Dentiform screw with short seal line |
| 03/13/2007 | US7189066 Light gas vacuum pumping system |
| 03/13/2007 | US7188602 Concentric internal combustion rotary engine |
| 03/13/2007 | US7188472 Method and hydromachine for controlling a displacement |
| 03/08/2007 | WO2007027125A1 Rotary machine |
| 03/08/2007 | WO2007026618A1 Internal gear pump |
| 03/08/2007 | WO2007026109A1 Rotary lobe pump with radial wearplate as well as a method for removing said wearplate |
| 03/08/2007 | US20070053783 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle |
| 03/08/2007 | DE112005000985T5 Zahnradpumpe und Verfahren zu deren Herstellung Gear pump, and process for their preparation |
| 03/08/2007 | DE102005041579A1 Innenzahnradpumpe mit Füllstück Internal gear pump with filler |
| 03/07/2007 | EP1760316A2 Mechanically driven roller vane pump |
| 03/07/2007 | EP1760315A2 Internal gear pump with filler |
| 03/07/2007 | CN2876381Y Electromochanical integrated high efficiency rotor pump |
| 03/07/2007 | CN2876380Y Bifunction motorcycle machine oil pump |
| 03/07/2007 | CN2876379Y Brushless direct current electric machine ceramic oil submersible pump |
| 03/06/2007 | US7186101 Gerotor apparatus for a quasi-isothermal Brayton cycle Engine |
| 03/06/2007 | US7185625 Rotary piston power system |
| 03/01/2007 | WO2007022798A1 Pump housing |
| 03/01/2007 | WO2005103488A3 Device for controlling parasitic losses in a fluid pump |
| 03/01/2007 | US20070048163 Tip seal in a scroll fluid machine |
| 03/01/2007 | US20070048162 Multistage root type pump |
| 03/01/2007 | US20070044954 Downhole motor locking assembly and method |
| 03/01/2007 | CA2618729A1 Pump housing |
| 02/28/2007 | EP1756427A1 Motor/pump unit |
| 02/28/2007 | CN2874068Y Automobile steering oil pump |
| 02/28/2007 | CN1922387A Retro-rotary, post-rotary and bi-rotary power machines (conclusion) |
| 02/27/2007 | US7182106 Fluid dispensation method |
| 02/27/2007 | US7182061 Rotary internal combustion engine |
| 02/22/2007 | WO2007021371A2 Scroll compressor discharge port |
| 02/22/2007 | WO2007020722A1 Uniaxial eccentric screw pump |
| 02/22/2007 | WO2007020117A1 Delivery unit |
| 02/22/2007 | WO2006071787A3 Improved rotor position control fore rotary machines |
| 02/22/2007 | US20070041861 Screw rotor and vacuum pump |
| 02/22/2007 | DE112005000894T5 Vorrichtung zum Steuern bzw. Regeln von parasitären Verlusten in einer Fluidpumpe An apparatus for controlling parasitic losses in a fluid pump |
| 02/22/2007 | DE102005039293A1 Förderaggregat Delivery unit |
| 02/21/2007 | CN2871921Y Wearproof gear pump |
| 02/21/2007 | CN2871920Y Mechanical engineering oil-filling pump |
| 02/21/2007 | CN1916416A Fluid control device for rotor in twin shaft |
| 02/21/2007 | CN1916415A Vane pump in large discharge capacity |
| 02/20/2007 | US7179070 Variable capacity pump/motor |
| 02/15/2007 | US20070036668 Scroll compressor discharge port improvements |
| 02/15/2007 | US20070036666 Rotary fluid machine |
| 02/14/2007 | EP1751425A2 Rotary vane pump |
| 02/14/2007 | CN2869387Y Jet sliding vane self-priming pump |
| 02/14/2007 | CN2869386Y Hand sliding vane pump |
| 02/14/2007 | CN1300463C Method of eradicating axial leakage of gear wheel pump |
| 02/13/2007 | US7175401 Variable capacity rotary compressor |
| 02/13/2007 | US7174998 Submerged electric fluid pump |
| 02/08/2007 | WO2007014540A1 Double flow screw-spindle pump which is supported at multiple points |
| 02/08/2007 | US20070031277 Controlled-clearance sealing compressor devices |
| 02/08/2007 | US20070031276 Rotary compressor |
| 02/08/2007 | US20070031275 Fluid machine |
| 02/08/2007 | US20070029245 Device for thickening or dehydrating sludges, watery sediments or the like, especially surplus sludge in sewage treatment plants |
| 02/07/2007 | CN1910368A Oil pump and automatic speed changer with the same |
| 02/07/2007 | CN1299007C Compressor |
| 02/07/2007 | CN1299002C Gear pump |
| 02/06/2007 | US7172039 Down-hole vane motor |
| 02/01/2007 | WO2007013138A1 Gear pump |
| 02/01/2007 | WO2006099745A8 A pump with a motor for pumping fluids |
| 02/01/2007 | US20070025870 Eccentric pump, and use thereof |
| 02/01/2007 | US20070023182 Oil well pump apparatus |
| 01/31/2007 | CN2864159Y Double-function non-contact sliding-vane pump |
| 01/31/2007 | CN2864158Y Improved gear oil pump |
| 01/31/2007 | CN2864157Y Vertical mini-sized gear pump |
| 01/30/2007 | US7168463 Method of charging dynamic-pressure bearing device with lubricating fluid, and method of inspecting dynamic-pressure bearing device |
| 01/25/2007 | WO2006122359A3 Hydraulic pump assembly |
| 01/25/2007 | DE102005033094A1 Method for sealing rotary pump especially for high pressures has a sealing ring located in a groove between a pressure plate and the pump housing |
| 01/25/2007 | DE102005032644A1 Gear oil pump for supplying operating fluid e.g. oil, to bearing, has inner annular gear and outer annular gear, and electric motor arranged in pump housing and driving both inner and outer annular gears |
| 01/24/2007 | EP1642031B1 Pump |
| 01/24/2007 | CN2861556Y Screw tooth form of unequal-number of teeth unequal-radius double-screw pump |
| 01/24/2007 | CN2861555Y Ground driving double-screw pump oil production device |