| Patents for F04C 11 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations (1,800) |
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| 01/12/2011 | EP2271839A2 Low pressure pump |
| 01/05/2011 | EP2145098B1 Novelty in electric fuel pumps for internal combustion engines |
| 01/05/2011 | CN101939544A Device for dividing a flow equally between two or more objects |
| 01/05/2011 | CN101939531A Electric fuel pump for heavy duty engine platforms |
| 12/29/2010 | CN201687704U Parallel hemisphere pendulum rotor pump |
| 12/23/2010 | US20100322810 Pump assembly for synchronous pressurization of two fluid circuits |
| 12/22/2010 | CN101922448A Multi-level combined pump |
| 11/25/2010 | WO2010112108A3 Screw spindle pump arrangement |
| 11/17/2010 | EP1613862B1 Oil and vacuum pumps group for a motor vehicle engine |
| 11/10/2010 | EP2247846A1 Electric fuel pump for heavy duty engine platforms |
| 11/10/2010 | CN201627717U Two-way circulating pump and engine oil purification system |
| 11/03/2010 | EP2245308A2 Fluid pump |
| 10/28/2010 | DE69601290C5 Kompakte elektrohydraulische Einheit Compact electro-hydraulic unit |
| 10/20/2010 | EP2240694A1 Device for dividing a flow equally between two or more objects |
| 10/14/2010 | US20100260638 Gear pump |
| 10/13/2010 | CN101858346A 齿轮泵 Gear pumps |
| 10/06/2010 | CN101855452A Pump assembly for synchronous pressurization of two fluid circuits |
| 09/22/2010 | CN1959115B Vehicular brake device |
| 09/21/2010 | CA2514823C Gear pump |
| 09/16/2010 | US20100233008 Rotary fluid machine |
| 09/16/2010 | US20100230113 Multi-stage modulator |
| 09/15/2010 | CN201582111U Triple low-pressure gear pump |
| 09/10/2010 | WO2010063999A3 Drill string with modular motor units |
| 09/02/2010 | WO2010098690A1 Oil-well screw pump driven from the wellhead |
| 09/02/2010 | WO2010096924A1 Integrated electric vane oil pump |
| 09/02/2010 | CA2753510A1 Integrated electric vane oil pump |
| 08/26/2010 | DE10305781B4 Mehrstufige Schmierölpumpe Multi-stage oil pump |
| 08/25/2010 | EP2220373A1 Pump assembly for synchronous pressurization of two fluid circuits |
| 08/25/2010 | CN101813086A Positive displacement pump and fluid machinery with said positive displacement pump |
| 08/24/2010 | US7780427 Two-stage rotary compressor |
| 08/19/2010 | WO2010092320A1 Pump |
| 08/19/2010 | US20100209259 Evacuation apparatus |
| 08/19/2010 | CA2751727A1 Pump |
| 08/11/2010 | EP2216501A1 Pump |
| 07/22/2010 | WO2009149682A3 Motor-pump module |
| 07/07/2010 | EP2203624A2 Oil well pump apparatus |
| 06/24/2010 | WO2010071497A1 Fuel pump arrangement and vehicle comprising a fuel pump arrangement |
| 06/23/2010 | EP2199059A2 Extruder assembly comprising a gear pump and method of operating such an arrangement |
| 06/23/2010 | EP2198126A1 Rotary internal combustion engine or pump |
| 06/09/2010 | CN201502526U Multi-stage combined pump |
| 06/03/2010 | WO2010062774A2 Supercharger system for motorized vehicles and related transportation |
| 06/01/2010 | US7726950 Fluid supply unit having an integral pressure generator and pressure booster |
| 05/14/2010 | WO2010051640A1 Fully submerged integrated electric oil pump |
| 05/14/2010 | CA2742148A1 Fully submerged integrated electric oil pump |
| 05/12/2010 | DE102008056326A1 Hydro-transformer has main pump and booster pump, which is arranged in chamber of main pump housing with inner side and outer front side of chamber |
| 05/06/2010 | US20100111742 Rotary positive displacement pump with magnetic coupling having integrated cooling system |
| 04/29/2010 | WO2009124536A3 Underwater delivery unit |
| 04/27/2010 | US7704060 Compressor having muffler outlets orthogonally arranged relative to the suction mouth |
| 04/27/2010 | US7704059 Compressor having a helmholtz type resonance chamber with a lowermost end connected to a gas passage |
| 04/22/2010 | US20100098571 Pump Apparatus and Methods for Using Same |
| 04/21/2010 | EP2177761A2 High-speed gear pump |
| 04/08/2010 | US20100086417 Motor pump unit, in paticular for vehicle power steering |
| 03/31/2010 | CN201433892Y Wobble-plate press-suction piston pump |
| 03/24/2010 | CN201428595Y Double variable quantity blade pump |
| 03/24/2010 | CN201428594Y High and low voltage composite pump |
| 03/24/2010 | CN101680403A Novelty in electric fuel pumps for internal combustion engines |
| 03/23/2010 | US7682139 Motor and method of operating the same |
| 03/11/2010 | DE102009038777A1 Rotationspumpe mit variabler Verdrängung Rotary pump with variable displacement |
| 03/09/2010 | US7674100 Pump with conveying chamber formed in outer rotor surface |
| 03/09/2010 | US7674095 Variable displacement vane pump with variable target regulator |
| 02/24/2010 | EP2156055A1 Pump assembly for synchronous pressurization of two fluid columns |
| 02/03/2010 | EP2149707A2 Fuel pumping system |
| 01/20/2010 | EP2145098A1 Novelty in electric fuel pumps for internal combustion engines |
| 01/05/2010 | US7641454 Two-stage rotary compressor |
| 12/16/2009 | EP2132410A1 Dual-plate swash pump |
| 12/10/2009 | WO2009146714A1 A pumping system and a method for pumping fluids |
| 12/10/2009 | CA2726701A1 A pumping system and a method for pumping fluids |
| 12/02/2009 | EP2128446A2 Hydraulic unit |
| 11/19/2009 | WO2009138143A1 Compressor device |
| 11/18/2009 | EP2117397A2 Flexible impeller pumps for mixing individual components |
| 11/18/2009 | CN201347857Y Double-power magnetically-driven pump |
| 11/05/2009 | WO2009090132A3 Fluid pump |
| 10/15/2009 | CA2721015A1 Underwater delivery unit |
| 10/13/2009 | US7600986 Filtering device for multistage compression type rotary compressor |
| 10/01/2009 | WO2009117993A2 Low pressure pump |
| 10/01/2009 | DE102008016293A1 Niederdruckpumpe Low-pressure pump |
| 09/24/2009 | WO2009116101A1 Integral motor- pump assembly |
| 08/19/2009 | CN100529402C Symmetrical form cavity pressurization and reclamation combination pump |
| 08/19/2009 | CN100529401C 机动泵 Motorized pump |
| 08/13/2009 | WO2009098352A1 Device for dividing a flow equally between two or more objects |
| 08/13/2009 | CA2712091A1 Device for dividing a flow equally between two or more objects |
| 08/05/2009 | EP2085616A1 Combined scavenging roots pump and feed pump |
| 08/05/2009 | EP2084405A1 Rotary positive displacement pump with magnetic coupling having integrated cooling system |
| 07/23/2009 | WO2009091344A1 Electric fuel pump for heavy duty engine platforms |
| 07/23/2009 | WO2009090132A2 Fluid pump |
| 07/15/2009 | EP2078859A2 Electric pump |
| 06/30/2009 | US7553138 Rotary screw machine of volume type and method of transforming a motion in a volume screw machine |
| 06/25/2009 | US20090159617 Hot Melt Adhesive Metering Pump Assembly with Integral Reservoir Tank |
| 06/24/2009 | CN100503491C Device for thickening or dewatering sludge, watery, sediments or the like, espeically surplus sludge in sewage treantment plants |
| 06/04/2009 | WO2009068256A1 Electrohydraulic motor-pump aggregate |
| 06/02/2009 | US7540728 Method of transforming a motion in a volume screw machine of rotary type and rotary screw machine |
| 05/22/2009 | WO2009062783A1 Pump assembly for synchronous pressurization of two fluid circuits |
| 05/20/2009 | DE102007054808A1 Pumpenbaugruppe zur synchronen Druckbeaufschlagung von zwei Fluidkreisen Pump assembly for synchronous pressurization of two fluid circuits |
| 05/14/2009 | US20090123316 Gear pump |
| 04/22/2009 | CN101413503A Two component metering pump assembly |
| 04/21/2009 | US7520733 Multistage compression type rotary compressor |
| 04/15/2009 | CN100478570C Rotary screw machine and method of transforming a motion in such a machine |
| 04/08/2009 | EP2045060A1 Two component metering pump assembly |
| 04/01/2009 | EP2042737A2 Pressure recovery system |
| 04/01/2009 | CN100473834C Rotary screw machine and method for transforming a motion in the same |