Patents for F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226) |
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03/11/2008 | CA2160826C Miniature pump |
03/06/2008 | WO2008025413A1 Control device for a hydraulic piston machine with a variable volume flow |
03/06/2008 | WO2008025395A1 Control device for a hydraulic piston machine with a variable volume flow |
02/28/2008 | WO2001008719A3 Blood treatment system providing pulsatile flow and method of use |
02/27/2008 | CN201027604Y Printing ink pump |
02/27/2008 | CN100371590C A reciprocating liquid pump for delivery of liquid fuel to a domestic burner device |
02/21/2008 | DE10109948B4 Dosierpumpeinrichtung Metering pump |
02/20/2008 | EP1599672B1 Thick material pump |
02/14/2008 | US20080038131 Piston Pump For Thick Materials |
02/14/2008 | US20080035598 Closure Device for a Bottle |
01/31/2008 | WO2008012558A2 Hydrostatic regenerative drive system |
01/24/2008 | DE102004009363B4 Kolben-Dickstoffpumpe Piston slurry pump |
01/17/2008 | WO2008007971A1 Pumping machine or compressor and systems using such units |
01/16/2008 | CN101107443A Liquid discharge method and device |
01/10/2008 | WO2008003359A1 Pump element and pump comprising such a pump element |
01/10/2008 | WO2005119058A3 Fluid connection |
01/09/2008 | CN201003470Y Double-purpose vertical pump |
01/02/2008 | EP0977948B1 Dry vacuum pump |
01/01/2008 | US7314238 Fluid connection |
12/27/2007 | WO2007147586A1 Two-cylinder slurry pump comprising two distribution tubes |
12/19/2007 | EP1715762B1 Method for preparing a dairy product |
12/13/2007 | WO2007141681A2 A volumetric pump comprising a driving mechanism |
12/13/2007 | CA2653981A1 A volumetric pump comprising a driving mechanism |
12/12/2007 | EP1864092A2 Precision fluid dispensing system |
11/29/2007 | US20070274850 Drive Device for a Dual-Cylinder Slurry Pump and Method for Operating Said Pump |
11/22/2007 | WO2007021581A3 Positive displacement pump having piston and/or liner with vapor deposited polymer surface |
11/22/2007 | DE102007016550A1 Hydrostatische Retarderpumpe und hydrostatischer Motor Hydrostatic retarder and hydrostatic motor |
11/15/2007 | WO2007129998A1 Check valve for vibrating piston pump |
11/15/2007 | WO2007056095A9 Crossover switching and pump system |
11/08/2007 | WO2007124873A1 Metering pump |
11/01/2007 | US20070253847 Valve assembly |
10/31/2007 | EP1456539B1 Dosing pump |
10/31/2007 | CN101065577A Volumetric pump with reciprocated and rotated piston |
10/25/2007 | WO2007119149A2 Displacement dosing device and corresponding movement apparatus |
10/25/2007 | WO2006096719A3 Precision fluid dispensing system |
10/24/2007 | EP1847710A1 Improved open circuit oleodynamic system to actuate and control a concrete piston pump |
10/10/2007 | EP1843041A1 An improved positive displacement pump, in particular for food products |
10/10/2007 | EP1843039A2 Magnetically driven valveless piston pumps |
10/09/2007 | US7278836 Metering pump |
10/04/2007 | WO2007074363A3 Micropump |
10/04/2007 | WO2007056095A3 Crossover switching and pump system |
10/04/2007 | US20070227508 Method of retarding injection timing of mechanical unit injectors using a modified pump barrel |
10/03/2007 | EP1840373A1 Liquid discharge method and device |
10/03/2007 | CN200954277Y Pressure pump for cardiovascular treating and dilation |
09/27/2007 | WO2007109788A2 Fluid propulsion device |
09/26/2007 | EP1836394A2 Active valve and active valving for pump |
09/13/2007 | US20070212241 Vibratory pump with adapter and high pressure mechanism |
09/12/2007 | EP1832745A1 Pump system |
09/06/2007 | DE19846940B4 Pumpenanordnung Pump assembly |
09/06/2007 | DE102005018049B4 Variable Fördermengensteuerung für eine stationär arbeitende Verdrängerpumpe Variable flow control for a stationary working displacement pump |
08/29/2007 | EP1826404A2 Nutating pump with reduced pulsations in output flow |
08/23/2007 | US20070196225 Material Feed Container For A Thick-Matter Pump |
08/23/2007 | US20070196224 Reciprocating Slurry Pump With A Continuous Feed Rate |
08/23/2007 | US20070196223 Nutating pump with reduced pulsations in output flow |
08/23/2007 | US20070196219 Device and method for controlling a two cylinder thick matter pump |
08/23/2007 | DE102005058100B3 Reciprocating piston machine as pump or engine for production of energy from wave movements of sea, has cylinder, which has two openings connected with flow guidance channels in cover |
08/22/2007 | CN2936271Y Novel suction pipette |
08/22/2007 | CA2578461A1 Nutating pump with reduced pulsations in output flow |
08/21/2007 | US7258533 Method and apparatus for scavenging energy during pump operation |
08/16/2007 | US20070190220 Method for preparing a dairy product |
08/15/2007 | EP1817499A1 Volumetric pump with reciprocated and rotated piston |
08/15/2007 | CN101018949A Orbiting valve for a reciprocating pump |
08/09/2007 | WO2007088380A1 Operating method for a hydraulic machine |
07/27/2007 | CA2534182A1 Pump device for fluid dispenser |
07/26/2007 | DE10061956B4 Ventillose Steuerkolbenpumpe zum Fördern von unterschiedlichen Fluiden Valveless control piston pump for conveying different fluids |
07/25/2007 | EP1809903A1 Membrane pump for conveying liquids |
07/24/2007 | CA2293748C Two-cylinder slurry pump |
07/18/2007 | EP1727981B1 Device and method for controlling a thick matter pump |
07/18/2007 | EP1727979B1 Device and method for controlling a thick matter pump |
07/05/2007 | WO2007074363A2 Micropump |
07/05/2007 | CA2844349A1 Micropump |
07/05/2007 | CA2669637A1 Micropump |
07/04/2007 | EP1803934A1 Micropump |
07/04/2007 | CN1993550A Piston pump with improved efficiency |
06/21/2007 | WO2007070036A1 Locking ring in a pump of a beverage system |
06/21/2007 | WO2007070035A1 Adapter plate in a pump of a beverage system |
06/20/2007 | EP1797326A2 Subsea fluid delivery system and method |
06/14/2007 | US20070134114 Modular system for the control of compression systems |
05/31/2007 | WO2007060312A1 Positive displacement pumping device comprising a gasket-free dispensing member |
05/30/2007 | EP1789678A1 Orbiting valve for a reciprocating pump |
05/24/2007 | WO2007057650A1 Pressure exchanger |
05/24/2007 | US20070116587 Volume-metering pump device |
05/24/2007 | US20070116586 Pump for brake system |
05/18/2007 | WO2007056095A2 Crossover switching and pump system |
05/17/2007 | US20070110603 High-pressure fuel pump |
05/15/2007 | US7217105 Integrated pump and wash pump |
05/09/2007 | CN1961152A Drive device for a dual-cylinder slurry pump and method for operating said pump |
05/03/2007 | WO2006016919A3 Integrated pump and wash pump |
05/03/2007 | US20070098580 Pump gear |
05/02/2007 | EP1631761B1 Three-way poppet valve for work exchanger |
05/01/2007 | CA2135836C Volumetric pump/valve |
04/26/2007 | WO2007045516A1 Piston pump for creamy food products |
04/24/2007 | US7207786 Fuel pump with filter-absent safety valve and universal inlet and outlet |
04/18/2007 | EP1775469A2 A pump |
04/18/2007 | EP1775468A2 A valve assembly |
04/18/2007 | EP1774177A1 Piston pump with improved efficiency |
04/11/2007 | CN1946936A Viscous matter piston pump |
04/04/2007 | CN1942110A Method for producing a dairy product |
03/29/2007 | WO2005111425A3 Fixed and variable compressor system capacity control |
03/29/2007 | US20070071596 Liquid drug delivery micropump |