| Patents for F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226) |
|---|
| 12/23/2009 | WO2009153605A1 Fluid working machines and methods |
| 12/23/2009 | CA2728185A1 Fluid working machines and methods |
| 12/23/2009 | CA2728184A1 Fluid working machines and methods |
| 12/16/2009 | EP2133575A1 Self-reciprocating energy recovery device |
| 12/15/2009 | CA2450813C Precision fluid dispensing system |
| 12/10/2009 | WO2009127951A3 Fluid handling device |
| 12/02/2009 | EP1749153B1 Fluid connection |
| 12/01/2009 | US7625190 Crossover switching valve |
| 11/24/2009 | US7621726 Metering pump |
| 11/12/2009 | US20090280017 Compressor Slide Valve Support |
| 11/12/2009 | DE102004030135B4 Flüssigkristall-Ausgabesystem unter Verwendung von Abstandshalterinformation sowie Verfahren zum Ausgeben von Flüssigkristallmaterial unter Verwendung desselben Of the same liquid-dispensing system using spacer information as well as methods for dispensing liquid material using |
| 11/10/2009 | US7614857 Medical pump device |
| 11/04/2009 | EP2113660A1 Air Discharging Apparatus and Image Forming Apparatus |
| 11/03/2009 | US7611332 Device and method for controlling a thick matter pump |
| 11/03/2009 | US7611331 Device and method for controlling a two cylinder thick matter pump |
| 10/28/2009 | EP2111120A1 Device for metering out a flowable mass |
| 10/28/2009 | EP1966490B1 Micropump |
| 10/22/2009 | WO2009127951A2 Fluid handling device |
| 10/15/2009 | US20090257893 Long-Life Pump Unit |
| 10/08/2009 | WO2009122585A1 Piston pump |
| 10/07/2009 | EP2107240A2 A volumetric pump with continuous flow delivery |
| 10/07/2009 | CN100547239C Device and method for controlling a slurry pump |
| 10/01/2009 | WO2009118463A1 Dosage and transfer valve, dosing pump comprising such a pivoting valve, and installation for producing dairy or cheese products, comprising at least one such pump |
| 10/01/2009 | US20090246051 Pump of electronically controlled brake system |
| 10/01/2009 | US20090246045 Device for Concentrating a Liquid, and Differential Piston Pump |
| 09/30/2009 | EP2010784B1 Pump element and pump comprising such a pump element |
| 09/30/2009 | CN101545468A Pump apparatus |
| 09/23/2009 | CN201314283Y Split type linear hydraulic end |
| 09/17/2009 | US20090229312 Circulation and drain system in a washing machine and a method thereof |
| 09/15/2009 | US7587897 Magnetically sequenced pneumatic motor |
| 09/15/2009 | CA2566600C Fluid connection |
| 09/09/2009 | CN100538140C Fluid connecting device |
| 09/03/2009 | US20090220363 Piston pump for a vehicle brake system with a sealing element |
| 09/01/2009 | USRE40898 Lubricating device for a plurality of lubricating stations |
| 09/01/2009 | US7581935 Device and method for controlling a thick matter pump |
| 08/26/2009 | CN101517230A A digital hydraulic pump/motor torque modulation system and apparatus |
| 08/26/2009 | CN101514695A Pump |
| 08/26/2009 | CA2637715A1 Fluid pressure powered apparatus |
| 08/20/2009 | WO2009100858A1 Device for concentrating a liquid by means of a differential piston pump |
| 08/20/2009 | US20090208355 Radial piston fuel supply pump |
| 08/20/2009 | DE102008009195A1 Vorrichtung zum Aufkonzentrieren einer Flüssigkeit mittels einer Differentialkolbenpumpe An apparatus for concentrating a liquid by means of a differential piston pump |
| 08/19/2009 | CN100530933C Resonant electrical generation system |
| 08/13/2009 | US20090202374 Valve head for high pressure homogeniser |
| 08/11/2009 | US7572106 Ink pumping apparatus for printing press and ink leak preventing method |
| 08/06/2009 | US20090196775 Volumetric pump comprising a driving mechanism |
| 08/05/2009 | CN100523495C Viscous matter piston pump |
| 07/30/2009 | WO2009076429A3 Continuous fluid delivery system and method |
| 07/30/2009 | US20090191068 Variable volume reservoir |
| 07/23/2009 | US20090185917 Pressure Exchanger |
| 07/23/2009 | DE102008005319A1 Device for separating drinking water fraction from sea water, has piston coupled to pushing-/traction element that is rotatably supported in eccentric, and valve control comprising control element that is movable by traction element |
| 07/23/2009 | DE102008000112A1 Piston pump for pumping fluid in measuring device, has piston and piston cylinder, where piston is arranged to carry out reciprocating movement and rotating movement superimposing reciprocating movement relative to piston cylinder |
| 07/16/2009 | WO2009086809A1 Rocking piston compressor |
| 07/16/2009 | US20090180905 Pump element and pump having such a pump element |
| 07/16/2009 | US20090180900 Radial piston fuel supply pump |
| 07/16/2009 | US20090178649 Injection pump for a piston engine |
| 07/15/2009 | CN101484700A Pump element and pump comprising such a pump element |
| 07/08/2009 | CN201269178Y Axial plunger type high-tension co-rail pump |
| 07/08/2009 | CN100510391C Piston pump with slot-controlled inlet valve |
| 07/02/2009 | US20090169398 Transfer pump for high-pressure gasoline injection |
| 07/01/2009 | CN201265494Y Check valve used for vibration piston pump |
| 06/18/2009 | WO2009076429A2 Continuous fluid delivery system and method |
| 06/18/2009 | US20090155107 Mechanism For The Recovery Of Energy In Self-Propelled Vehicles |
| 06/17/2009 | CN101460742A A volumetric pump comprising a driving mechanism |
| 06/09/2009 | US7544051 Cam-driven fluid pump |
| 06/09/2009 | US7543720 Method and apparatus for dispensing small volumes of fluid |
| 06/04/2009 | WO2009069063A1 Implantable therapeutic substance delivery device |
| 06/02/2009 | US7540230 Three-way poppet valve for work exchanger |
| 05/28/2009 | WO2009003462A3 Valve-controlled hydraulic engine |
| 05/27/2009 | EP1952021B1 Positive displacement pumping device comprising a joint-free dispensing member |
| 05/27/2009 | EP1332287B1 A pump |
| 05/22/2009 | WO2009003785A3 Pipe junction for two-cylinder viscous matter pumps |
| 05/22/2009 | WO2009003784A3 Wearing ring for use in concrete pumps |
| 05/21/2009 | US20090129948 Suction structure in fixed displacement piston type compressor |
| 05/20/2009 | DE102004025910B4 Antriebseinrichtung für eine Zweizylinderdickstoffpumpe und Verfahren zum Betrieb derselben Drive device for a two-cylinder thick matter pump and method of operation thereof |
| 05/14/2009 | WO2009059488A1 A rotary compressor with low pressure in its shell and methods for controlling its cold media and oil and application thereof |
| 05/14/2009 | US20090123309 Micropump |
| 05/13/2009 | CN101429932A Volumetric pump with reciprocated and rotated piston |
| 05/07/2009 | WO2009056141A1 Method of operating a fluid working machine |
| 05/07/2009 | WO2009056140A1 Method of operating a fluid working machine |
| 05/07/2009 | WO2009056138A1 Fluid working machine |
| 05/07/2009 | WO2009056137A1 Operating method for fluid working machine |
| 05/07/2009 | US20090116986 Universal vibratory pump |
| 05/06/2009 | EP2055953A1 Fluid working machine |
| 05/06/2009 | EP2055950A1 Method of controlling a cyclically commutated hydraulic pump |
| 05/06/2009 | EP2055949A1 Operating method for fluid working machine |
| 05/06/2009 | EP2055948A1 Method of controlling a cyclically commutated hydraulic pump |
| 05/06/2009 | EP2055947A1 Method fo controlling a cyclically commutated hydraulic pump |
| 05/06/2009 | EP2055946A1 Operating mehtod for fluid working machine |
| 05/06/2009 | EP2055945A1 Method of operating a fluid working machine |
| 05/06/2009 | EP2055944A1 Method of controlling a cyclically commutated hydraulic pump |
| 05/06/2009 | EP2055943A1 Method of operating a fluid working machine |
| 05/06/2009 | EP2054621A2 A digital hydraulic pump/motor torque modulation system and apparatus |
| 05/06/2009 | CN101424254A Improved split type linear hydraulic terminal |
| 04/30/2009 | WO2006074036A3 Active valve and active valving for pump |
| 04/28/2009 | US7524171 Radial piston fuel supply pump |
| 04/22/2009 | EP1948942B1 Pressure exchanger |
| 04/14/2009 | CA2463721C Continuous positive displacement metering valve |
| 04/01/2009 | EP2041433A1 Pumping machine or compressor and systems using such units |
| 04/01/2009 | EP1171713B1 High pressure pump and engine system using the same |
| 03/31/2009 | US7510103 Device for delivering fixed quantity of liquid |