| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 03/24/2009 | US7509233 Diagnostics for identifying a malfunctioning component in an air compressor system onboard a locomotive |
| 03/24/2009 | CA2404865C Apparatus and method for customizing cosmetic products |
| 03/19/2009 | US20090072492 Gasket |
| 03/19/2009 | DE202008015702U1 Hochdruckpumpe mit einem Fluidsperrsystem High-pressure pump with a fluid barrier system |
| 03/19/2009 | DE102007044451A1 Anschlussplatte für eine hydrostatische Kolbenmaschine Connection plate for a hydrostatic piston engine |
| 03/19/2009 | DE102007043347A1 Antriebslagerung für eine Kolbenpumpe und Kolbenpumpe Drive bearing for a piston pump and the piston pump |
| 03/18/2009 | EP2035701A1 Piston pump |
| 03/18/2009 | EP2035700A2 Piston pump |
| 03/18/2009 | CN201209542Y Plunger piston |
| 03/18/2009 | CN201209526Y Large displacement horizontal opposition type high pressure plunger pump |
| 03/18/2009 | CN101389858A High pressure pump in particular for a fuel injection device on an internal combustion engine |
| 03/17/2009 | US7503754 Control valve for variable capacity compressor |
| 03/12/2009 | US20090068040 Five-bar compressor |
| 03/12/2009 | DE102004030147B4 Hydrostatisches Schrägachsenmodul mit mehreren Jochen Hydrostatic oblique axis module with multiple yokes |
| 03/11/2009 | EP2032850A1 High pressure pump in particular for a fuel injection device on an internal combustion engine |
| 03/11/2009 | CN101385220A Motor/pump assembly with improved sealing |
| 03/11/2009 | CN101384823A Inclined plate type piston pump or electric motor |
| 03/11/2009 | CN100467863C Plunger water pump |
| 03/10/2009 | US7500424 Hydraulic machine having pressure equalization |
| 03/10/2009 | CA2546390C Two-stage pressure relief valve |
| 03/05/2009 | WO2009027809A2 Liquid pump |
| 03/05/2009 | US20090060764 Medical Pump |
| 03/05/2009 | US20090060758 Fluid machine with radial cylinders |
| 03/05/2009 | US20090060756 Two-Chamber Blood Pump |
| 03/05/2009 | CA2695364A1 Liquid pump |
| 03/04/2009 | EP2031247A1 Liquid Pump |
| 03/04/2009 | EP2031246A2 Half-sleeved and sleeveless plastic piston pumps |
| 03/04/2009 | EP2029894A1 Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor |
| 03/04/2009 | EP2029891A1 Piston pump |
| 03/04/2009 | EP1910674B1 Displacer unit with a valve plate body |
| 03/04/2009 | CN201202622Y Proportional variable plunger pump |
| 03/04/2009 | CN201202603Y Improved plunger pump structure |
| 03/04/2009 | CN201201586Y Plunger piston group linkage structure for hydraulic pressure regulator |
| 03/04/2009 | CN101377189A Axial piston pump, and power transmission device with axial piston pump |
| 03/03/2009 | US7497157 Fuel supply pump and tappet structural body |
| 02/26/2009 | WO2009024337A1 Hydraulic system with an adjustable hydrostatic machine |
| 02/26/2009 | WO2009024336A1 Axial piston machine in a swash-plate construction with an actuating device |
| 02/26/2009 | DE102008038455A1 Axialkolbenmaschine in Schrägscheibenbauweise mit einer Stellvorrichtung Axial piston swashplate design with an adjusting device |
| 02/26/2009 | DE102004030046B4 Hydrostatisches Schrägachsenmodul mit mehreren Jochen Hydrostatic oblique axis module with multiple yokes |
| 02/25/2009 | CN201198821Y Plunger pump |
| 02/25/2009 | CN101375091A High-pressure pump for feeding fuel to an internal combustion engine |
| 02/25/2009 | CN101372942A Axial plunger type variable capacity pump |
| 02/25/2009 | CN101372941A Axial plunger type variable capacity pump |
| 02/24/2009 | US7494328 NVH and gas pulsation reduction in AC compressor |
| 02/19/2009 | WO2009022918A1 Advance-retard mechanism for axial piston machine and axial piston machine incorporating such |
| 02/19/2009 | WO2009021865A1 Pump, particularly high-pressure fuel pump |
| 02/19/2009 | US20090047146 Eccentric Radial Piston Pump and Eccentric Radial Piston Motor |
| 02/19/2009 | US20090047145 Variable capacity compressor |
| 02/19/2009 | CA2695698A1 An axial piston machine with rotation restraint mechanism |
| 02/18/2009 | EP2025933A2 Dual mode compensation for variable displacement pump metering system |
| 02/18/2009 | EP2024639A1 Axial piston machine having a hydrostatically mounted cradle journal |
| 02/18/2009 | EP2024638A1 Axial piston machine having a hydrostatic support of the hold-down |
| 02/18/2009 | CN201196249Y Transmission mechanism and assembly for swinging wheel disk |
| 02/18/2009 | CN201196146Y Cambered axle type spherical surface valve axial plunger variable displacement pump |
| 02/18/2009 | CN101368553A Planetary gear stepless variable high pressure axial plunger pump |
| 02/18/2009 | CN101368552A Heeling moment full-balancing shaft distribution mechanism and bidirectional variable radial ball piston pump |
| 02/12/2009 | US20090041591 Fluid powered motor or pump |
| 02/12/2009 | DE102008035133A1 Hydrostatische Maschine mit Stellvorrichtung mit Rückführelement zur Ansteuerung eines Regelventils Hydrostatic machine with locking device with feedback element for driving a control valve |
| 02/12/2009 | DE102007038279A1 Hubverstelleinrichtung für Doppelexzenterantriebe Stroke adjusting for Doppelexzenterantriebe |
| 02/11/2009 | EP2022982A1 Volumetric pump |
| 02/05/2009 | WO2009016768A1 Tandem piston pump |
| 02/05/2009 | US20090035156 Control valve for variable displacement compressor |
| 02/05/2009 | US20090031893 Swashplate type axial piston device having apparatus for providing three operating displacements |
| 02/05/2009 | US20090031821 Dual mode compensation for variable displacement pump fluid metering system |
| 02/05/2009 | DE102008034336A1 Axialkolbenmaschine in Schrägscheibenbauweise mit einer Vorrichtung zum Bereitstellen von drei Betriebszuständen Axial piston swashplate design with a device for providing three operating states |
| 02/05/2009 | DE10136705B4 Elektromagnetventil Solenoid valve |
| 02/04/2009 | CN201190641Y Axial plunger type hydraulic motor or pump |
| 02/04/2009 | CN201190640Y Axial plunger type hydraulic motor or pump |
| 02/04/2009 | CN101358585A Oblique crankshaft Variable plunger pump |
| 02/04/2009 | CN100458150C High-pressure pump |
| 02/03/2009 | US7484939 Variable displacement radial piston pump |
| 01/29/2009 | WO2009013224A1 Fuel pump for an injection system of an internal combustion engine |
| 01/29/2009 | WO2009013175A1 Pump, particularly high-pressure fuel pump |
| 01/29/2009 | WO2009013068A1 High-pressure fuel pump with roller tappet |
| 01/29/2009 | US20090028727 Diluter pump for chemistry analyzers |
| 01/29/2009 | DE102007045014B3 Hydraulischer Antrieb Hydraulic drive |
| 01/28/2009 | EP2018465A2 Axial piston machine having a guide limb for a cage segment |
| 01/28/2009 | CN201187425Y Single-cylinder axial short plunger pump |
| 01/28/2009 | CN201187424Y Large-scale radial plunger pump |
| 01/28/2009 | CN101356341A Axial piston machine having a guide limb for a cage segment |
| 01/27/2009 | US7481629 Radial piston pump |
| 01/22/2009 | WO2009011429A1 Hydraulic device |
| 01/22/2009 | WO2009010191A1 Piston pump and operating method therefor |
| 01/22/2009 | US20090020004 Hydrostatic transmission having two axial piston units |
| 01/22/2009 | DE102007033244A1 Kolbenpumpe und Betriebsverfahren hierfür Piston pump and operating method therefor |
| 01/21/2009 | CN101351641A Hybrid nutating pump |
| 01/21/2009 | CN100453804C Vertical processing method for cylinder body large round end surface internal spline |
| 01/20/2009 | US7478998 Conveyor device |
| 01/15/2009 | WO2009008018A1 Bent axis pump |
| 01/15/2009 | US20090016916 Bidirectional piston pump |
| 01/15/2009 | US20090013864 Connecting Plate of a Hydrostatic Machine and Method for Producing the Connecting Plate |
| 01/15/2009 | US20090013861 Combined pump housing for several rated quantities |
| 01/14/2009 | CN201180640Y Apparatus for decreasing geometric flow pulsation of axial plunger pump |
| 01/08/2009 | WO2009003922A1 Axial piston machine with a throttle groove |
| 01/08/2009 | US20090007773 Axial plunger pump or motor |
| 01/08/2009 | DE102008002481A1 Kolbenpumpe Piston pump |
| 01/08/2009 | DE102007030708A1 Axialkolbenmaschine mit Drosselnut Axial piston engine with throttle groove |
| 01/08/2009 | DE102007029416A1 High-pressure fuel pumping device for fuel-injection unit of internal-combustion engine, has two pump pistons, cam shaft that is arranged diametrically opposite to another cam shaft on both sides of pump pistons |
| 01/07/2009 | EP2010307A2 Compressors and methods for use |
| 01/07/2009 | CN101341335A Axial piston machine having a hydrostatically mounted cradle journal |