| 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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| 02/27/2013 | CN102943784A Cylinder barrel, hydraulic cylinder and pumping equipment comprising hydraulic cylinder |
| 02/27/2013 | CN102207066B Double-acting plunger pump |
| 02/27/2013 | CN101907081B High-altitude fluid conveying device |
| 02/27/2013 | CN101618510B Numerical control servo feedback type small-flow multi-head pump |
| 02/26/2013 | US8382451 Pump apparatus |
| 02/26/2013 | US8382446 Mini-surge cycling method for pumping liquid from a borehole to remove material in contact with the liquid |
| 02/26/2013 | CA2636627C Hydraulic machine, in particular hydraulic motor, with a recipricating movement |
| 02/21/2013 | WO2013024580A1 Accumulated-pressure trigger sprayer and pressure accumulation valve therefor |
| 02/20/2013 | EP2558707A1 High-pressure pump |
| 02/20/2013 | EP2558706A1 High-pressure pump |
| 02/20/2013 | CN202746134U Portable manual gas/liquid conveying pump |
| 02/20/2013 | CN202746133U Spring type gas-liquid supercharging constant pressure pump |
| 02/20/2013 | CN202746132U Plunger pump with bent shaft |
| 02/20/2013 | CN102939462A Method and disposable low-cost pump in container for liquid color dispensing |
| 02/20/2013 | CN102939461A Offset cam for piston pump |
| 02/20/2013 | CN102939456A High-pressure pump |
| 02/20/2013 | CN102937118A Manual and automatic integration hydraulic lifting device of mud scraping rake |
| 02/19/2013 | US8376719 Fire pump for firefighting vehicle |
| 02/14/2013 | US20130038063 Apparatus and method for inhibiting the formation of tropical cyclones |
| 02/13/2013 | CN202732289U Steel tube well |
| 02/13/2013 | CN202732258U Oil well pump with power assisting device |
| 02/13/2013 | CN202732257U Dual-zone-linkage high-pressure pump |
| 02/13/2013 | CN102927078A Hydraulic oil cylinder and pumping mechanism and engineering machinery comprising same |
| 02/13/2013 | CN102926962A Multifunctional inflating and oil pumping device |
| 02/13/2013 | CN102926961A Double-pressure piston machine |
| 02/13/2013 | CN102926960A Flowing water powered water pump |
| 02/07/2013 | WO2013017669A1 Compressor device and cooling device fitted therewith and cooler unit fitted therewith |
| 02/07/2013 | US20130032232 Human Powered Irrigation Diaphragm Pump |
| 02/06/2013 | CN102913410A 便携举升泵 Portable lift pump |
| 01/31/2013 | WO2013013725A1 A diaphragm pump for dosing a fluid and an according method |
| 01/31/2013 | DE102011079864A1 Kolbenpumpe Piston pump |
| 01/31/2013 | DE102011079781A1 Shaft for high pressure pump i.e. fuel high pressure pump, for delivering fluid i.e. fuel, in internal combustion engine in motor car, has helical-formed or pocket-like recess arranged in exterior wall section for receiving lubricant |
| 01/31/2013 | CA2839816A1 A diaphragm pump for dosing a fluid and an according method |
| 01/30/2013 | EP2551521A2 Pump |
| 01/30/2013 | CN202707393U Water pump |
| 01/30/2013 | CN102906423A Device and method to deliver fluid products |
| 01/29/2013 | US8360750 Pump device |
| 01/29/2013 | US8360741 Manual/pneumatic pump structure |
| 01/24/2013 | WO2013012697A2 System for enhanced recovery of tangential energy from an axial pump in a loop reactor |
| 01/24/2013 | US20130022481 Magnetic rotor and rotary pump having a magnetic rotor |
| 01/23/2013 | EP2549104A1 Concrete pumping structure and control method thereof |
| 01/23/2013 | EP2549103A1 Concrete pumping structure |
| 01/23/2013 | EP2547908A2 Micropump |
| 01/23/2013 | CN202690570U Hydraulic cylinder, hydraulic circuit, material pumping system and engineering machinery |
| 01/23/2013 | CN202690348U Reciprocating pump used to convey sensitive liquid |
| 01/23/2013 | CN202690347U Concrete pump swinging cylinder hydraulic system and concrete pumping device |
| 01/17/2013 | WO2013007247A1 Pump drive |
| 01/17/2013 | US20130018357 Medication reservoir |
| 01/17/2013 | US20130017107 Diesel engine fuel injection pump which pistons are sealed with all metal seal rings |
| 01/17/2013 | DE102011107376A1 Disposable pump for disinfectants, has one-way valve opened by low pressure developed in bottle, so that air flows through air inlet, vent pipe and pipe in bottle, and pump is used for evacuated bottles and for ventilated bottles |
| 01/17/2013 | DE102011107291A1 Rollenstößelpumpeinheit Roller plunger pump unit |
| 01/16/2013 | CN202673601U Pedal water pump |
| 01/16/2013 | CN202673600U Pedal miniature plunger pump |
| 01/16/2013 | CN202673599U Unpowered self-blowing water pressing pump |
| 01/16/2013 | CN102884362A System and process for equalization of pressure of a process flow stream across a valve |
| 01/16/2013 | CN102878044A Full hydraulic control mining concrete pump |
| 01/16/2013 | CN102878043A Manual lifting pump for micro-tillage machine |
| 01/16/2013 | CN102878042A 水位提升装置 Water lifting devices |
| 01/16/2013 | CN102878041A Plunger high-pressure pump |
| 01/14/2013 | CA2778149A1 Pump coupler |
| 01/10/2013 | WO2013006136A1 Fluid pumping apparatuses powered by waves or flowing currents |
| 01/10/2013 | WO2013005287A1 Fluid delivery device |
| 01/10/2013 | WO2013005159A1 Liquid dispensing system |
| 01/09/2013 | CN202659437U Sucking-charging dual-purpose pump |
| 01/08/2013 | US8348631 Lubricant or hydraulic pump |
| 01/03/2013 | WO2013000076A1 Cryogenic pumps |
| 01/03/2013 | WO2011146125A8 Removable shim clip for adjustable piston pump |
| 01/03/2013 | US20130001257 Pump and bottle fitments and methods for using the same |
| 01/02/2013 | CN202645948U Mechanical membrane pump |
| 01/02/2013 | CN202645908U Device for pumping high-viscosity liquid |
| 01/02/2013 | CN202645907U Reciprocating bi-directional pressure piston pump |
| 01/02/2013 | CN202645906U 油缸和混凝土泵送设备 Cylinders and concrete pumping equipment |
| 01/02/2013 | CN202645904U Four-cylinder slurry pump |
| 01/02/2013 | CN102859193A Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 01/02/2013 | CN102859177A High-pressure pump |
| 01/02/2013 | CN102852753A Hydraulic grouting pump |
| 01/02/2013 | CN102852752A Pneumatic pump |
| 01/01/2013 | US8341955 Hydraulic drive and control system for pumps using a charge pump |
| 12/27/2012 | US20120325080 Gas boosters |
| 12/27/2012 | DE102012012314A1 Dosing dispenser for dispensing multi-component substance such as detergents, has a rotatable adjustment component provided for counter-rotating or altering the flow cross-section or flow length of the components |
| 12/27/2012 | DE102011077918A1 Hochdruckpumpe für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine High pressure pump for a fuel injection system of an internal combustion engine |
| 12/26/2012 | EP2536950A1 Method and disposable low-cost pump in container for liquid color dispensing |
| 12/26/2012 | EP2536949A1 Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 12/26/2012 | CN202628421U Novel manual infusion pump |
| 12/26/2012 | CN202628420U Pneumatic hydraulic source |
| 12/26/2012 | CN202628419U 风动手动一体式液压泵 Wind hands-one pump |
| 12/26/2012 | CN102410184B Pumping reverse control method, device and system for pumping device |
| 12/19/2012 | CN202612067U Crankshaft structure of five-cylinder plunger pump |
| 12/19/2012 | CN202612062U Variable plunger piston pump |
| 12/19/2012 | CN202612051U Manually-operated membrane pump |
| 12/19/2012 | CN202612018U Two-stage force increasing manual hydraulic pump |
| 12/19/2012 | CN202612017U Farm-oriented manual water drawing device |
| 12/19/2012 | CN202612016U Slush pump system for full hydraulic well drilling |
| 12/19/2012 | CN202612015U Adhering type hole sealing pump |
| 12/19/2012 | CN202612014U Liquid extracting pump |
| 12/19/2012 | CN102828945A Distributing shaft and manual hydraulic pump provided with same |
| 12/19/2012 | CN101815893B Method for compressing gaseous fuel for fuelling vehicle and device for implementation thereof |
| 12/18/2012 | CA2514916C Drive assembly for a reciprocating pump utilizing a linear actuator |
| 12/13/2012 | WO2012168460A1 Device for raising water in a power transfer station, and power transfer station including such a device |
| 12/13/2012 | DE102011050909A1 Pump e.g. oil pump for pumping oil from oil sump of engine, has float that is provided for inducing valve to move to blocking position when pump is full with liquid |