| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
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| 08/04/2011 | WO2011093027A1 Pump |
| 08/04/2011 | WO2011091544A1 Drive device and piston pump having a drive device |
| 08/04/2011 | CA2786087A1 Pump |
| 08/03/2011 | CN201916143U 液压手动泵 Hydraulic hand pump |
| 08/03/2011 | CN201916142U 手动地面式沼气出料泵 Manual ground biogas discharge pump |
| 08/03/2011 | CN201916141U 一种伸缩式水泵装置及水泵系统 One kind of telescopic pump system and pump systems |
| 08/03/2011 | CN102141020A Water power-driven proportioning pump |
| 08/03/2011 | CN102140723A Water jet device of water jet loom |
| 08/02/2011 | US7988683 Reservoir connector |
| 08/02/2011 | CA2730696A1 Hydraulic fluid control system for a diaphragm pump |
| 07/28/2011 | US20110182757 Apparatus for a pump, and a water pump |
| 07/27/2011 | CN201908635U Multifunctional borehole operation auxiliary device |
| 07/27/2011 | CN102135080A Hydraulic double-cylinder single-acting reciprocating pump driving system capable of reversing by rotary valve |
| 07/21/2011 | WO2011030237A4 High-pressure homogenizer with an epicyclic reduction gear unit |
| 07/20/2011 | CN201902301U Deep-water water pressing wellhead |
| 07/20/2011 | CN201902300U Well killing head for water pump |
| 07/20/2011 | CN201901823U Open type driving hydraulic system for arm support-type pump homemade engineering chassis |
| 07/20/2011 | CN102128157A Gear rack linkage piston type swinging pump |
| 07/20/2011 | CN101624977B Pneumatic oil pump |
| 07/19/2011 | US7981105 Medication reservoir |
| 07/19/2011 | US7980830 Electric pump |
| 07/19/2011 | US7980218 Pump driving device in engine |
| 07/14/2011 | WO2011083901A1 Sealing-type reciprocating compressor |
| 07/14/2011 | WO2011082847A2 Radial piston pump comprising an eccentric bearing, in particular for vehicle brake systems |
| 07/14/2011 | DE19536258C5 Flaschendispenser Bottletop |
| 07/14/2011 | CA2727873A1 Pump dispensers |
| 07/13/2011 | CN201896709U Three-cam shaft for high-flow high-pressure constant-flow pump |
| 07/07/2011 | DE10325310B4 Kraftstoffeinspritzpumpe Fuel injection pump |
| 07/07/2011 | DE10215860B4 System zur pneumatischen Druckversorgung von Verbrauchern System for pneumatic pressure supply to consumers |
| 07/06/2011 | CN102116279A 4.5ml/r ultrahigh-pressure electro-hydraulic proportional control radial plunger pump |
| 06/30/2011 | DE102009055327A1 Kolbenpumpe mit Exzenterring Piston pump with eccentric |
| 06/29/2011 | CN201884233U Pneumatic reciprocating pump |
| 06/29/2011 | CN102108956A Piston pump with eccentric ring |
| 06/28/2011 | US7967578 Hydraulic gravity ram pump |
| 06/28/2011 | US7966924 Non-linear feedback in a dual yoke hydromodule |
| 06/23/2011 | WO2011074360A1 Pump device and power transmission device, and vehicle |
| 06/22/2011 | EP2336564A1 Mechanical constant-force fluid pump for coffee brewing apparatus |
| 06/22/2011 | DE102009055032A1 Kolbenpumpe für eine hydraulische Fahrzeugbremsanlage Piston pump for a hydraulic vehicle brake system |
| 06/16/2011 | WO2011070244A2 Piston pump, and water treatment facility provided with such pump |
| 06/16/2011 | US20110142692 Air Logic Controller |
| 06/16/2011 | DE19948602B4 Schüttgutpumpenvorrichtung Bulk pump device |
| 06/16/2011 | DE102009054635A1 Radialkolbenpumpe mit Exzenterlager, insbesondere für Fahrzeugbremssysteme Radial piston pump with eccentric bearing, in particular for vehicle braking systems |
| 06/15/2011 | EP2333338A1 Valve body for pumps |
| 06/15/2011 | EP2331818A2 Automated switch for liquid additive injection pump |
| 06/15/2011 | EP2331817A2 Multi-stage reciprocating compressor |
| 06/15/2011 | CN201865872U Multifunctional concrete delivery pump |
| 06/15/2011 | CN201865871U Ultrahigh pressure manual pump |
| 06/15/2011 | CN1926333B Hydraulic motor arrangement and method of operating a hydraulic motor |
| 06/15/2011 | CN1624295B stratum measuring apparatus and stratum measuring method |
| 06/15/2011 | CN102094780A Hydraulic slurry pump |
| 06/15/2011 | CN102094778A Cylinder-driven four-plunger pump oil supply device |
| 06/15/2011 | CN102094777A Plunger pump for preparing liquid chromatographic column |
| 06/09/2011 | DE102010061913A1 Kolben mit zerbrechlichem Kolbenanschlag Piston with fragile piston stop |
| 06/09/2011 | DE102009057070A1 Kolbenmaschine zum Einsatz als Vakuumpumpe für medizinische Zwecke Piston engine for use as a vacuum pump for medical purposes |
| 06/09/2011 | DE102007022658B4 Förderpumpe Feed pump |
| 06/08/2011 | CN201858100U Pneumatic pulsed dosing pump |
| 06/08/2011 | CN1945013B Plunger driving structure |
| 06/08/2011 | CN101629560B Method for pumping water by using pressure on road during running of automobile |
| 06/08/2011 | CA2732482A1 Fluid compression system |
| 06/08/2011 | CA2687879A1 Piston with frangible piston stop |
| 06/01/2011 | CN201851432U Hydraulic system |
| 06/01/2011 | CN201851299U Large-lift pneumatic water pump |
| 06/01/2011 | CN201851298U Concrete pumping structure |
| 06/01/2011 | CN102080641A Reciprocating double-plunger pump oil supply device |
| 06/01/2011 | CN102080640A Ultrahigh-pressure pump |
| 06/01/2011 | CN101603515B Inlet pressure balanced type boosting water injection pump |
| 06/01/2011 | CN101245769B Automatic decompression device of pump |
| 05/26/2011 | WO2011063201A1 Telescopic enclosure for rod coupler |
| 05/26/2011 | WO2011030237A3 High-pressure homogenizer with an epicyclic reduction gear unit |
| 05/26/2011 | US20110123365 Coolant pump |
| 05/26/2011 | DE102009046983A1 Eccentric for driving hydraulic piston pump in vehicle brake system, drives piston extended in cylinder, where ratio of extension and retraction speed of piston is adapted to shape of eccentric so that leakage of fluid is set from chamber |
| 05/25/2011 | CN201843741U Manual grouting pump |
| 05/25/2011 | CN201843740U Pressurization system capable of carrying out automatic bidirectional gas-liquid pressurization continuously |
| 05/25/2011 | CN102072128A Eccentric wheel for driving hydraulic piston pump |
| 05/25/2011 | CN101672260B Linear motor multi-cylinder reciprocating pump with coupled gear and rack |
| 05/19/2011 | US20110119033 Method and Apparatus for Detecting Errors, Fluid Pressure, and Occlusions in an Ambulatory Infusion Pump |
| 05/19/2011 | DE19850920B4 Radialkolbenpumpe Radial piston pump |
| 05/18/2011 | EP1682239B1 Motorized vacuum/pressure pump |
| 05/18/2011 | CN201836005U Sleeve type soil and sand pressure-feed pump with cylinders |
| 05/18/2011 | CN201836004U Hydraulic system |
| 05/18/2011 | CN201836003U Tap water power water pump |
| 05/18/2011 | CN102062069A Material pumping device and pumping system thereof |
| 05/17/2011 | US7942643 Device and method for pumping fluids employing the movement of gas bubbles in microscale |
| 05/12/2011 | WO2011056504A2 High pressure pump |
| 05/12/2011 | WO2011054189A1 Electronic vacuum pump |
| 05/12/2011 | US20110110802 Compressor assembly |
| 05/12/2011 | DE102009052072A1 Ball bearing e.g. single-row roller bearing, for use in anti-lock braking system of motor vehicle for radial piston pump, has bearing outer race surrounding inner race and formed as pulled ring from application-hardened material |
| 05/11/2011 | EP1115500B1 Dispenser pumps |
| 05/11/2011 | CN201827042U Plunger type electric/manual biogas residue and biogas fluid discharge pump |
| 05/11/2011 | CN201827039U Hydraulic multi-cylinder reciprocating pump with gear wheel coupled with toothed racks |
| 05/11/2011 | CN102057160A Double reciprocation pump |
| 05/11/2011 | CN102052297A Backflow preventer of hand-operated oil pump |
| 05/11/2011 | CN102052276A Series-parallel connection liquid chromatogram pump |
| 05/11/2011 | CN102052275A Parallel liquid phase chromatographic pump |
| 05/11/2011 | CN101545469B Adjustable pressure-proof multihead pump |
| 05/10/2011 | US7938632 Piston pump with cam follower arrangement |
| 05/05/2011 | WO2011051661A1 Pressure control system |
| 05/05/2011 | WO2011051030A1 Hydraulic assembly and brake system for a motor vehicle |
| 05/05/2011 | WO2011050585A1 Parallel liquid chromatographic pump |
| 05/05/2011 | DE102009046405A1 Piston pump for slip-controlled hydraulic brake system of motor vehicle, has end stop arranged between inner and outer cams, where pump capacity is varied based on direction of rotation of end stop |