F04B - Positive-displacement machines for liquids; Pumps

More topics under "F04B - Positive-displacement machines for liquids; Pumps" (160,272)
F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723)
F04B 11 - Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation (1,551)
F04B 13 - Pumps specially modified to deliver fixed or variable measured quantities (2,234)
F04B 15 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts (3,388)
F04B 17 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors (9,703)
F04B 19 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups (2,867)
F04B 23 - Pumping installations or systems (4,078)
F04B 25 - Multi-stage pumps specially adapted for elastic fluids (1,208)
F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781)
F04B 3 - Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage (444)
F04B 31 - Free-piston pumps specially adapted for elastic fluids; Systems incorporating such pumps (182)
F04B 33 - Pumps specially adapted for elastic fluids actuated by muscle power, e.g. for inflating (2,403)
F04B 35 - Piston pumpsspecially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for (9,373)
F04B 37 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups (3,029)
F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436)
F04B 41 - Pumping installations or systems specially adapted for elastic fluids (2,502)
F04B 43 - Machines, pumps, or pumping installations having flexible working members (13,111)
F04B 45 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids (2,191)
F04B 47 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps (5,485)
F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036)
F04B 5 - Machines or pumps with differential-surface pistons (514)
F04B 51 - Testing machines, pumps, or pumping installations (2,128)
F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443)
F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226)
F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236)

Patents for F04B - Positive-displacement machines for liquids; Pumps (204)
07/2010
07/27/2010	US7762796 Pump valve with controlled stroke
06/2010
06/01/2010	US7726954 Diaphragm pump
03/2010
03/16/2010	US7677863 Overspeed safety device for a rotation motor
05/2009
05/27/2009	EP2063123A2 Method and apparatus for transporting fluid in a conduit
12/2008
12/04/2008	US20080298987 Diaphragm pump
11/2008
11/26/2008	EP1763637B1 Arrangement and method for a compressed air system
11/26/2008	CN100436817C Pump valve with controlled stroke
10/2008
10/14/2008	US7435277 Gas separation apparatus, a front wall and a separation rotor thereof
07/2008
07/09/2008	CN100400974C Starting method for convertor heat pump
06/2008
06/19/2008	US20080145241 Arrangement and Method for a Compressed Air System
05/2008
05/14/2008	EP1920523A1 Cooling system of an aggregate
04/2008
04/22/2008	US7360597 Method and apparatus for gas displacement well systems
01/2008
01/31/2008	US20080025836 Overspeed Safety Device for a Rotation Motor
12/2007
12/20/2007	US20070292285 Diaphragm Pump
11/2007
11/28/2007	EP1859167A1 Method and apparatus for transporting fluid in a conduit
09/2007
09/05/2007	EP1828614A1 Pump station including a pump sump and method of mounting an outlet pipe in the pump sump
08/2007
08/22/2007	EP1642029B1 Pump for tail production of oil
04/2007
04/12/2007	US20070081907 Diaphragm pump
04/10/2007	US7202717 Chopped charge pump
03/2007
03/21/2007	EP1763637A1 Arrangement and method for a compressed air system
03/15/2007	US20070059156 Rotary centrifugal and viscous pumps
03/08/2007	WO2007026047A1 Cooling system of an aggregate
03/07/2007	CN1303328C Volume fluid machine and piston producing method thereof
02/2007
02/14/2007	EP1750900A1 Overspeed safety device for a rotation motor
01/2007
01/25/2007	US20070017674 Method and Apparatus for Gas displacement Well Systems
01/11/2007	US20070006559 Gas separation apparatus, a front wall and a separation rotor thereof
01/09/2007	US7160395 Method and apparatus for unclogging flow systems
12/2006
12/27/2006	EP1736218A1 A gas separation apparatus, a front wall and a separation rotor thereof
12/22/2006	CA2550162A1 A gas separation apparatus, a front wall and a separation rotor thereof
12/19/2006	CA2278039C Reciprocating piston compressor
10/2006
10/10/2006	US7118327 Impeller and cutting elements for centrifugal chopper pumps
10/04/2006	CN1842652A 隔膜泵 Diaphragm
09/2006
09/26/2006	US7111682 Method and apparatus for gas displacement well systems
08/2006
08/30/2006	CN1826469A Impeller and cutting elements for centrifugal chopper pumps
08/30/2006	CN1826465A Pump valve with controlled stroke
08/10/2006	US20060177330 Pump valve with controlled stroke
07/2006
07/13/2006	US20060153720 Pump for tail production of oil
06/2006
06/21/2006	EP1671033A2 Pump
06/15/2006	WO2006062413A1 Method and apparatus for transporting fluid in a conduit
05/2006
05/31/2006	EP1660773A2 Diaphragm pump
05/26/2006	WO2006054946A1 Pump station including a pump sump and method of mounting an outlet pipe in the pump sump
05/04/2006	WO2005050013A3 Method and apparatus for unclogging flow systems
04/2006
04/19/2006	EP1646790A2 Pump valve with controlled stroke
04/05/2006	EP1642029A2 Pump for tail production of oil
01/2006
01/12/2006	WO2006004493A1 Arrangement and method for a compressed air system
01/12/2006	WO2005050012A3 Hand pump with pressure release mechanism and system of use
12/2005
12/21/2005	CN1232729C Fluid pump
11/2005
11/10/2005	WO2005105370A1 Overspeed safety device for a rotation motor
10/2005
10/20/2005	WO2005004331A3 Differential charge pump phase lock loop (pll) synthesizer with adjustable tuning voltage range
10/06/2005	WO2005004315A3 Chopped charge pump
09/2005
09/15/2005	WO2005010362A3 Improved method and apparatus for gas displacement well systems
09/13/2005	US6942448 Pump
09/01/2005	WO2005010363B1 Pump valve with controlled stroke
08/2005
08/04/2005	WO2005002069A3 Fast lock phase lock loop and method thereof
08/04/2005	US20050166946 Method and apparatus for unclogging flow systems
07/2005
07/28/2005	WO2005024230A3 Rotary centrifugal and viscous pumps
07/21/2005	WO2005001284A3 Pulse width modulated common mode feedback loop and method for differential charge pump
07/14/2005	WO2005010363A3 Pump valve with controlled stroke
06/2005
06/23/2005	WO2005035979A3 Pump
06/14/2005	US6906565 Fast lock phase lock loop and method thereof
06/07/2005	US6903585 Pulse width modulated common mode feedback loop and method for differential charge pump
06/02/2005	WO2005050013A2 Method and apparatus for unclogging flow systems
06/02/2005	WO2005050012A2 Hand pump with pressure release mechanism and system of use
06/02/2005	CA2546569A1 Method and apparatus for unclogging flow systems
05/2005
05/26/2005	WO2005004332A3 Improved charge pump system for fast locking phase lock loop
05/24/2005	US6897690 Charge pump system for fast locking phase lock loop
05/19/2005	US20050106050 Hand pump with pressure release mechanism and system of use
05/12/2005	WO2005033506A3 Gas compressor
05/06/2005	WO2005017299A3 Pump for tail production of oil
05/06/2005	WO2005004333A3 Gain compensated fractional-n phase lock loop system and method
04/2005
04/21/2005	WO2005035979A2 Pump
04/14/2005	WO2005033506A2 Gas compressor
04/14/2005	WO2005010361A3 Diaphragm pump
04/07/2005	WO2005008067A3 Impeller and cutting elements for centrifugal chopper pumps
03/2005
03/31/2005	WO2005001285A3 Diaphragm pump with control module
03/17/2005	WO2005024230A2 Rotary centrifugal and viscous pumps
03/17/2005	US20050057313 Differential charge pump phase lock loop (PLL) synthesizer with adjustable tuning voltage range
03/10/2005	US20050053461 Impeller and cutting elements for centrifugal chopper pumps
03/10/2005	US20050051329 Method and apparatus for gas displacement well systems
02/2005
02/24/2005	WO2005017299A2 Pump for tail production of oil
02/24/2005	CA2532224A1 A piston pump for tail production of oil
02/10/2005	US20050030072 Fast lock phase lock loop and method thereof
02/03/2005	WO2005010363A2 Pump valve with controlled stroke
02/03/2005	WO2005010362A2 Improved method and apparatus for gas displacement well systems
02/03/2005	WO2005010361A2 Diaphragm pump
02/03/2005	US20050024112 Pulse width modulated common mode feedback loop and method for differential charge pump
02/03/2005	US20050024106 Charge pump system for fast locking phase lock loop
01/2005
01/27/2005	WO2005008067A2 Impeller and cutting elements for centrifugal chopper pumps
01/27/2005	US20050017776 Chopped charge pump
01/13/2005	WO2005004333A2 Gain compensated fractional-n phase lock loop system and method
01/13/2005	WO2005004332A2 Improved charge pump system for fast locking phase lock loop
01/13/2005	WO2005004331A2 Differential charge pump phase lock loop (pll) synthesizer with adjustable tuning voltage range
01/13/2005	WO2005004315A2 Chopped charge pump
01/06/2005	WO2005002069A2 Fast lock phase lock loop and method thereof
01/06/2005	WO2005001285A2 Diaphragm pump with control module
01/06/2005	WO2005001284A2 Pulse width modulated common mode feedback loop and method for differential charge pump
05/2004
05/26/2004	EP0953113B1 Reciprocating compressor
12/2003
12/02/2003	CA2271833C Bearing and seal-free blood pump
10/2003
10/15/2003	CN1124414C Positive-displacement type fluid machine
07/2002
07/10/2002	CN1087396C 流体泵 Fluid pump

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