Patents
Patents for F04F 1 - Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (1,650)
08/2010
08/04/2010EP2212563A1 Self-powered pump for heated liquid, fluid heating and storage tank and fluid heating system employing same
08/04/2010CN201539452U Automatic oil extracting device
07/2010
07/20/2010CA2546104C Liquid aeration plunger
07/20/2010CA2461485C Gas lift valve
07/15/2010WO2010078627A1 An improved pump system
07/15/2010DE202010004334U1 Flüssigkeitsstrom-mitriss- sauger Liquid flow mitriss- sucker
07/14/2010CN201526515U Airlift pump for a biomembrane reactor of a moving bed
07/07/2010CN101109397B Montejus equipped with injector
06/2010
06/15/2010CA2510230C Zero-clearance ultra-high-pressure gas compressor
06/10/2010DE102008060598A1 Vorrichtung und Verfahren zur Verdichtung oder Kompression eines Gases Apparatus and method for compaction or compression of a gas
06/09/2010CN101725576A Pneumatic water lifting device and application thereof
06/02/2010DE102008030265B4 Drucklufterzeugungsanlage Compressed-air generator
05/2010
05/27/2010WO2010059069A1 A method and device for pumping liquids using a pneumatic positive disuplacement pump
05/26/2010EP2188536A1 Pump apparatus
05/26/2010EP2188521A2 Multistage hydraulic gas compression/expansion systems and methods
05/26/2010CN201486942U Negative-pressure vacuum type liquid conveyor
05/25/2010US7721460 Micro-cycle energy transfer systems and methods
05/19/2010CN201475061U Oil pump
05/19/2010CN101233320B 动力装置 Power plant
05/18/2010US7717182 Artificial lift with additional gas assist
05/12/2010CN201461557U Gas valve of pneumatic pump and driving mechanism thereof
05/12/2010CN201461556U Differential pressure type oil-pumping device
05/06/2010DE102007047376B4 Ölpumpe Oil pump
04/2010
04/27/2010US7704053 Pivoting mechanism for use in a high temperature steam distribution system
03/2010
03/18/2010DE202009017478U1 Airliftsystem mit feinperligem Auftriebsstrom Airlift with feinperligem buoyancy flux
03/11/2010DE102008041939A1 Verfahren zum Betreiben einer Wärmepumpe oder Kältemaschine bzw. einer Kraftmaschine sowie Wärmepumpe oder Kältemaschine und Kraftmaschine Method for operating a heat pump or refrigerator or a combustion engine and heat pump or refrigerator and engine
03/04/2010WO2010022902A1 Pump installation
02/2010
02/24/2010CN101655105A Negative pressure vacuum type liquid conveyor
02/17/2010CN201407214Y Pneumatic liquid adding device
02/17/2010CN201407213Y Water pump
02/11/2010US20100034671 Pistonless compressor
02/09/2010US7658229 Gas lift chamber purge and vent valve and pump systems
01/2010
01/28/2010WO2010009496A1 Gas displacement pump and method of pumping liquid
01/28/2010DE202009014465U1 Vorrichtung in Form eines Drucklufthebers Device in the form of a compressed air jack
01/28/2010CA2731284A1 Gas displacement pump and method of pumping liquid
01/21/2010WO2010006668A1 Test element for analysing an analyte present in a sample of body fluid, analysis system and method for controlling the movement of a fluid contained in a channel of a test element
01/20/2010EP2145682A1 Test element for analysing a bodily fluid sample for an analyte contained therein, analysis system and method for controlling the movement of a fluid contained in a channel of a test element
01/19/2010US7648345 Liquid pump with multiple chambers and control apparatus
01/14/2010US20100008795 Two chamber pumps and related methods
01/12/2010US7645368 an anode and a cathode at different electrical potentials, each sealed in an ion-exchange membrane of polytetrafluoroethylene, immersed in an electrolyte contained in a reservoir of an electroosmotic pump; collecting H2, O2 gases produced by electrolytic decomposition within a space defined by membrane
01/07/2010WO2009114792A3 Improved gas lift system
12/2009
12/30/2009WO2009157094A1 Method and device for producing a vacuum intermittently
12/30/2009CN101614224A Method for manufacturing pipe type air charging and drainage tool
12/24/2009DE102008030265A1 Compressed air production plant has water container that is provided with valve for ventilation, and drain with check valve for compressed air
12/16/2009EP2133556A1 Improvements to the operation of a pressure generator
12/10/2009WO2009146479A1 Pneumatic evacuation pump
12/10/2009US20090301587 Water supply apparatus for use in ice maker
12/10/2009CA2726654A1 Pneumatic evacuation pump
12/03/2009US20090297366 Jet well pump
12/02/2009CN100564857C Fluidic oscillator
12/01/2009US7624804 Method for recovering oil from a gas-lifted oil well penetrating a subterranean oil-bearing formation
11/2009
11/25/2009EP2122169A1 Fluid machine
11/12/2009WO2009137457A1 Methods and apparatus for splitting multi-phase flow
11/12/2009WO2009135310A1 Self-powered pump for heated liquid, fluid heating and storage tank and fluid heating system employing same
11/12/2009CA2723001A1 Methods and apparatus for splitting multi-phase flow
11/11/2009CN101576096A Pipettor
11/11/2009CN101576064A Device for converting solar energy wind energy from low energy current density to high water power potential energy
11/11/2009CN100559032C Centrifugal fan and air conditioner using the same
11/05/2009WO2009133724A1 Micropump device
11/03/2009US7611333 Multiple chamber pump and method
10/2009
10/27/2009US7607898 Method and apparatus for delivering pressurized gas
10/22/2009CA2674437A1 Water lifting device
10/15/2009WO2009126044A1 A method and an apparatus for producing liquid flow in a pipeline
10/15/2009CA2720690A1 A method and an apparatus for producing liquid flow in a pipeline
10/14/2009CN101557922A Sealing and pumping device
10/14/2009CN101555892A Chain saw chain lubricating oil feed pump
10/01/2009DE102008016233A1 Large pump for use as mammoth pump to transfer water from e.g. buried water basin to heating equipment for building, has plate heating insulator thermally insulating suctioning and pumping pipe with valve and/or vessel with suction pipe
09/2009
09/23/2009EP2103417A1 Sealing and pumping device
09/23/2009CN101539157A Automatic water pump
09/17/2009WO2009113567A1 Micro fluid device
09/17/2009WO2009113566A1 Photoresponsive gas-generating material, micropump and microfluid device
09/17/2009CA2717366A1 Improved gas lift system
09/15/2009CA2563136C Gas operated pump for hydrocarbon wells
09/08/2009US7584610 Water cycling system with compressor motive force and with turbine electric power generator
09/02/2009CN101523058A Pistonless compressor
08/2009
08/26/2009CN101517242A Valve arrangement for a hydrostatic machine, in particular for an axial piston machine
08/20/2009WO2009101423A1 Internal combustion engines
08/20/2009WO2009101421A1 Internal combustion engines
08/20/2009WO2009101420A1 Internal combustion engines
08/20/2009WO2009101419A1 Internal combustion engines
08/20/2009CA2715531A1 Internal combustion engines
08/20/2009CA2715244A1 Internal combustion engines
08/12/2009CN201288707Y Wind pressure oil sucker
08/11/2009US7572109 Thermopneumatic capillary micropump and manufacturing method thereof
07/2009
07/30/2009US20090191067 Two chamber pumps and related methods
07/28/2009US7565765 Pneumatic liquid dispensing assembly for hydroponically cultivated plants
07/15/2009EP2006454A9 Pump for draining bores by means of alternating aspiration and expulsion cycles, based on the principle of pneumatic displacement
07/08/2009CN100510426C A water pump
07/01/2009CN101469724A Device and method for feeding substances
06/2009
06/11/2009WO2009070893A1 Device to infuse gas into liquid
06/11/2009CA2707580A1 Device to infuse gas into liquid
06/09/2009US7543720 Method and apparatus for dispensing small volumes of fluid
06/04/2009US20090142200 Transparent valve body for dense phase pump
05/2009
05/28/2009WO2009066292A1 Pumping unit for delivery of liquid medium from a vessel
05/27/2009EP2061974A1 Pistonless compressor
05/07/2009US20090116969 Rail tank car evacuation and transfer system and method
05/07/2009DE102007052781A1 Quasiisothermes Druckerhöhungsverfahren für diverse Arbeitsfluids Quasiisothermes pressure boosting method for different working fluid
05/07/2009DE102007002164B4 Sumpfpumpe Sump pump
05/06/2009EP1999383B1 Optimisation of dead space in pistonless compressors
04/2009
04/29/2009CN101418822A Complete-tube non-wheel pump
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