Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; Siphons › F04F 1 - Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
Patents for F04F 1 - Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (1,650)
08/2006
08/02/2006CN2801195Y Disposable hard ear-carried type nagitive pressure pump
08/01/2006CA2335198C Variable orifice gas lift valve for high flow rates with detachable power source and method of using
07/2006
07/26/2006CN2799935Y Horizontal pneumatic sludge sucking pump
07/13/2006US20060151178 Gas operated pump for hydrocarbon wells
07/06/2006DE202006006523U1 Environmentally friendly system for water pumping has water expelled from reservoirs by pneumatically inflated membranes
07/05/2006EP1676648A1 Water jet apparatus and method therefor
07/04/2006US7070394 Gas pressure driven fluid pump having pilot valve controlling disc-type motive and exhaust valves
07/04/2006US7069942 Method and apparatus for handling of covering gas
06/2006
06/28/2006EP1448898A4 Repressurizing dispenser for carbonated beverage containers
06/27/2006US7067211 Cogeneration system for a fuel cell
06/21/2006CN1789731A Pulsometer pump
06/21/2006CN1789730A Pulsometer pump
06/21/2006CN1789729A Pulsometer pump
06/20/2006US7063161 Artificial lift with additional gas assist
06/14/2006CN2787639Y Portable liquid-sucking device
06/08/2006US20060120878 Magnetofluiddynamic pumps for non-conductive fluids
06/01/2006US20060115365 Pump apparatus
05/2006
05/31/2006CN2784642Y Self-spraying type automatically controlled pulsometer pump
05/31/2006CN2784641Y Pulsometer pump
05/26/2006WO2006053409A1 Method for taransportation of liquids by steam or compressed air and a device for realization of the method
05/24/2006DE102004056016A1 Two-phase mixture e.g. fluid, delivering pump for nature circulation stream generator, has check valve placed between connecting tube and shank, and heating mechanism arranged at lower part of another shank
05/23/2006US7048513 Gas pressure driven fluid pump having compression spring pivot mechanism and damping system
05/17/2006CN1256520C Buoyancy-type kinetic pump
04/2006
04/20/2006US20060081378 Gas operated pump for hydrocarbon wells
04/18/2006US7028488 Method and apparatus to minimize fractionation of fluid blend during transfer
04/13/2006WO2006037186A1 Pump apparatus
04/13/2006CA2583379A1 Pump apparatus
04/06/2006CA2581280A1 Method and device for compressing a gaseous medium
04/04/2006US7021900 Vapor-powered kinetic pump
03/2006
03/23/2006WO2005042161A3 Flexible sleeve syringe and system
03/21/2006US7013905 System and method for monitoring the performance of an inert gas distribution system
03/09/2006DE19542015B4 Druckbetriebene Pumpe Pressure driven pump
03/07/2006US7007751 Apparatus for extracting oil or other fluids from a well
03/07/2006US7007456 Dual chamber pump and method
02/2006
02/28/2006US7004728 Gas pressure driven fluid pump having an electronic cycle counter and method
02/09/2006US20060027264 Device and method for extracting liquid samples
12/2005
12/29/2005US20050284155 Zero-clearance ultra-high-pressure gas compressor
12/29/2005DE202005013457U1 Automotive workshop oil pump operated by pneumatic or manual operation with valve-operated air inlet
12/28/2005EP1610000A2 A gas compression system
12/22/2005WO2005121539A1 Fluidic oscillator
12/22/2005US20050279420 System for recovering viscous fluid from bottles
12/21/2005EP1607634A2 System for recovering viscous fluid from containers
12/20/2005US6976497 Pressure-differential liquid raising system
12/15/2005WO2005035987A3 Vapor-powered kinetic pump
12/15/2005DE19723041B4 Gasdruckbetriebene Pumpe mit zusätzlichem Gasauslassventil Gas-powered pump with additional gas outlet
12/13/2005US6973973 Gas operated pump for hydrocarbon wells
12/08/2005US20050271521 Cooling fan
12/07/2005CN1704614A Cooling fan
11/2005
11/24/2005WO2005111429A1 Gas compressor
11/24/2005DE202005013309U1 Suction pump for oil contains pressure switch with shaft under it, spring round top of shaft and channel to receive shaft
11/22/2005CA2473072C Hydraulic air compressor
11/16/2005EP1545738A4 Wine must and pomace pump
11/10/2005US20050249607 Apparatus and method for pumping microfluidic devices
11/10/2005US20050247341 System for supplying halogen gas or halogen containing gas and method thereof
11/03/2005WO2005062831A3 Migro-cycle energy transfer systems and methods
11/01/2005CA2388531C Dual chamber liquid pump
10/2005
10/27/2005WO2005100791A1 Gas pressure driven fluid pump having an electronic cycle counter and method
10/27/2005US20050238500 Method and apparatus for dispensing small volumes of fluid
10/19/2005CN2735057Y 热力泵 Heat pumps
10/18/2005CA2277900C Pump with air intake
10/18/2005CA2277898C Pump featuring an outlet ball valve
10/13/2005US20050226734 Gas pressure driven fluid pump having an electronic cycle counter and method
10/12/2005CN2733053Y Automatic pneumatic sewage pump
10/04/2005CA2371571C Gas pressurized liquid pump with intermediate chamber
09/2005
09/28/2005CN1673552A Self-blowing air pressure automatic controlling water raiser
09/28/2005CN1673551A Air-pressure water raiser
09/22/2005US20050207901 Pump for transferring particulate material
09/22/2005DE102005009355A1 Flüssigkeitspumpe und Rankinezyklusvorrichtung Liquid pump and Rankinezyklusvorrichtung
09/08/2005US20050196287 Flexible sleeve syringe and system
09/08/2005US20050193735 Liquid pump and Rankine cycle apparatus
09/07/2005EP1570182A2 Gas pressure driven fluid pump having compression spring pivot mechanism and damping system
08/2005
08/30/2005US6935844 Gas pressure driven fluid pump having magnetic valve control mechanism and method
08/25/2005US20050183771 Apparatus and process for refilling a bubbler
08/24/2005EP1566464A1 Apparatus and method for replenishing a bubbling device
08/24/2005CN2720171Y Split pedal oil pump
08/23/2005US6932581 Gas lift valve
08/23/2005CA2381193C Valve with an integral orifice
08/03/2005CN2714863Y Pneumatic lift pump
07/2005
07/28/2005US20050163629 Automatic pneumatic pump
07/21/2005US20050158198 Micro-cycle energy transfer systems and methods
07/14/2005WO2005062831A2 Migro-cycle energy transfer systems and methods
07/07/2005DE102004057882A1 Vakuumerzeugungseinheit Vacuum generating unit
06/2005
06/30/2005WO2004055367A8 Gas pressure driven fluid pump having compression spring pivot mechanism and damping system
06/29/2005EP1545738A2 Wine must and pomace pump
06/29/2005EP1360418A4 Gas lift valve with central body ventury for controlling the flow of injection gas in oil wells producing by continuous gas lift
06/23/2005WO2005056158A1 Wine must and pomace pump
06/21/2005US6907933 Sub-sea blow case compressor
06/08/2005CN1624337A Vaccum-generating unit
06/07/2005US6902838 Cogeneration system for a fuel cell
06/02/2005US20050118032 Vaccum-generating unit
05/2005
05/31/2005US6899116 Pressure vessel systems and methods for dispensing liquid chemical compositions
05/26/2005US20050109967 Valve with an integral orifice
05/19/2005DE10348957A1 Combined pump and valve for a microfluid system for use in association e.g. with life-science devices
05/12/2005WO2005042981A1 A pump
05/12/2005WO2005042161A2 Flexible sleeve syringe and system
04/2005
04/28/2005WO2002087839A8 Electrically powered concrete pump
04/27/2005CN2695703Y Mine slip casting pump
04/26/2005US6884528 Cogeneration system for a fuel cell
04/21/2005WO2005035987A2 Vapor-powered kinetic pump
04/14/2005US20050079070 Vapor-powered kinetic pump
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