F04D - Non-positive-displacement pumps

More topics under "F04D - Non-positive-displacement pumps" (138,013)
F04D 1 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (3,447)
F04D 11 - Other rotary non-positive-displacement pumps (219)
F04D 13 - Pumping installations or systems (12,375)
F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967)
F04D 17 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids (4,320)
F04D 19 - Axial-flow pumps specially adapted for elastic fluids (3,780)
F04D 21 - Pumps specially adapted for elastic fluids involving supersonic speed of pumped fluids (215)
F04D 23 - Other rotary non-positive-displacement pumps specially adapted for elastic fluids (928)
F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127)
F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590)
F04D 29 - Details, component parts, or accessories (70,655)
F04D 3 - Axial-flow pumps (1,557)
F04D 31 - Pumping liquids and elastic fluids at the same time (579)
F04D 33 - Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type (448)
F04D 35 - Pumps producing waves in liquids, i.e. wave-producers (91)
F04D 5 - Pumps with circumferential or transverse flow (1,752)
F04D 7 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (4,105)
F04D 9 - Priming; Preventing vapour lock (1,858)

Patents for F04D - Non-positive-displacement pumps (137)
04/2013
04/25/2013	US20130102742 Pumping apparatus and process for polymerization in loop reactors
01/2013
01/15/2013	US8354063 Pumping apparatus and process for polymerization in loop reactors
03/2012
03/20/2012	CA2548268C High performance inducer
01/2011
01/19/2011	EP2275452A1 Improved pumping apparatus and process for slurry polymerization
08/2010
08/26/2010	US20100215550 Pumping apparatus and process for polymerization in loop reactors
06/2010
06/15/2010	US7736597 Pumping apparatus and process for polymerization in loop reactors
02/2010
02/17/2010	CN100590319C Radial blade wheel
01/2010
01/20/2010	CN100582488C A gas separation apparatus, a front wall and a separation rotor thereof
01/06/2010	CN100578019C High performance inducer
11/2009
11/24/2009	CA2498766C Improved pumping apparatus and process for slurry polymerization in loop reactors
10/2009
10/13/2009	US7600974 Radial blade wheel
08/2009
08/27/2009	US20090211663 Audio/video display equipment for gas pumps
08/20/2009	US20090208336 Impeller wheel
08/13/2009	US20090200035 All Electric Subsea Boosting System
06/2009
06/24/2009	CN100504036C Cooling fan with reinforced blade
01/2009
01/21/2009	EP1747377B1 Impeller
12/2008
12/30/2008	CA2512550C Cooling fan with reinforced blade
11/2008
11/26/2008	CN100436836C Device and method enabling noise minimization of blower filter
11/25/2008	US7455497 High performance inducer
10/2008
10/23/2008	US20080260539 Apparatus and Method For Controlling Supply of Barrier Gas in a Compressor Module
05/2008
05/28/2008	EP1815144B8 Impeller wheel
03/2008
03/19/2008	EP1815144B1 Impeller wheel
01/2008
01/17/2008	US20080011372 Pump Station, and Device to be Used in Same
10/2007
10/24/2007	CN101061319A Impeller wheel
09/2007
09/27/2007	US20070221288 Audio/video display equipment for gas pumps
08/2007
08/08/2007	EP1815144A1 Impeller wheel
07/2007
07/12/2007	US20070160461 High performance inducer
06/2007
06/14/2007	WO2007067059A1 All electric subsea boosting system
06/14/2007	CA2632274A1 All electric subsea boosting system
06/13/2007	EP1794380A1 Pump station, and device to be used in same
05/2007
05/18/2007	WO2007055591A1 Unit for gas treatment in rotating equipment for subsea compression
05/18/2007	WO2007055589A1 Pressure and leakage control in rotating equipment for subsea compression
05/02/2007	EP1549680A4 Improved pumping apparatus and process for slurry polymerization in loop reactors
04/2007
04/25/2007	CN1954151A High performance inducer
04/19/2007	WO2007043889A1 Apparatus and method for controlling supply of barrier gas in a compressor module
04/19/2007	CA2624785A1 Apparatus and method for controlling supply of barrier gas in a compressor module
03/2007
03/14/2007	EP1588024A4 Cooling fan with reinforced blade
01/2007
01/31/2007	EP1747377A1 Impeller
01/24/2007	CN1900530A A gas separation apparatus, a front wall and a separation rotor thereof
12/2006
12/14/2006	US20060280599 Centrifugal pump and a static seal thereof
11/2006
11/22/2006	EP1724470A2 Centrifugal pump and a static seal thereof
11/22/2006	CN1865710A Centrifugal pump and a static seal thereof
11/16/2006	CA2546153A1 Centrifugal pump and a static seal thereof
10/2006
10/05/2006	US20060222500 Radial blade wheel
10/04/2006	EP1706644A2 High performance inducer
10/04/2006	CN1840920A Radial blade wheel
10/03/2006	US7114925 Impeller vane configuration for a centrifugal pump
08/2006
08/30/2006	EP1695231A2 Audio/video display equipment for gas pumps
07/2006
07/20/2006	US20060159595 Pumping apparatus and process for polymerization in loop reactors
05/2006
05/26/2006	WO2006053831A1 Impeller wheel
05/26/2006	CA2585171A1 Impeller wheel
05/18/2006	WO2005045250A3 Audio/video display equipment for gas pumps
05/11/2006	DE112004001198T5 Laufradflügelaufbau für eine Zentrifugalpumpe Impeller vane assembly for a centrifugal pump
04/2006
04/06/2006	WO2006036109A1 Pump station, and device to be used in same
03/2006
03/21/2006	US7014821 Pumping apparatus for slurry polymerization in loop reactors
03/02/2006	US20060045742 Air fan
01/2006
01/18/2006	CN1723338A Cooling fan with reinforced blade
12/2005
12/08/2005	WO2005005839A3 Impeller vane configuration for a centrifugal pump
11/2005
11/03/2005	WO2005057016A3 High performance inducer
10/2005
10/27/2005	WO2005100796A1 Impeller
10/26/2005	EP1588024A2 Cooling fan with reinforced blade
10/26/2005	CN2736564Y Motor and center shaft fixing mechanism of column electric fan
09/2005
09/22/2005	US20050207891 Impeller vane configuration for a centrifugal pump
09/06/2005	US6939108 Cooling fan with reinforced blade
07/2005
07/06/2005	EP1549680A2 Improved pumping apparatus and process for slurry polymerization in loop reactors
06/2005
06/23/2005	WO2005057016A2 High performance inducer
06/16/2005	US20050127796 Audio/video display equipment for gas pumps
05/2005
05/19/2005	WO2005045250A2 Audio/video display equipment for gas pumps
04/2005
04/28/2005	WO2005008071A3 Gas-liquid separator for pumping systems
01/2005
01/27/2005	WO2005008071A2 Gas-liquid separator for pumping systems
01/20/2005	WO2005005839A2 Impeller vane configuration for a centrifugal pump
11/2004
11/11/2004	WO2004063571A3 Cooling fan with reinforced blade
07/2004
07/29/2004	WO2004063571A2 Cooling fan with reinforced blade
07/08/2004	US20040132928 Apparatus allows operating the reaction at significantly higher solids content in the circulating fluid slurry
07/08/2004	US20040131470 Cooling fan with reinforced blade
07/01/2004	WO2004027264A3 Improved pumping apparatus and process for slurry polymerization in loop reactors
04/2004
04/01/2004	WO2004027264A2 Improved pumping apparatus and process for slurry polymerization in loop reactors
01/2004
01/07/2004	EP1378669A1 A method and apparatus for minimizing noise from fan filter unit
12/2003
12/02/2003	CA2271833C Bearing and seal-free blood pump
10/2003
10/08/2003	CN1447031A Device and method enabling noise minimization of blower filter
03/2002
03/06/2002	CN1080392C Method for controlling function of centrifugal pump and vacuum pump combination, and gas separating centrifugal pump
01/2002
01/30/2002	CN1078654C Waste water pump station
11/2001
11/28/2001	EP0830511B1 Method of controlling the function of a centrifugal pump and vacuum pump combination, and a gas-separating centrifugal pump
09/2000
09/06/2000	CN2395194Y Water spray fan
01/2000
01/11/2000	CA2186980C Wastewater pump station
03/1999
03/11/1999	CA2302177A1 A method and apparatus for minimising noise from fan filter unit
12/1998
12/01/1998	US5842833 Gas separation control in a centrifugal pump vacuum pump
10/1998
10/20/1998	US5823751 Mounting device for submersible electric motor driven pump
09/1998
09/09/1998	CN1192800A Method for controlling function of centrifugal pump and vacuum pump combination, and gas separating centrifugal pump
07/1998
07/08/1998	CN1186892A Waste water pump station
03/1998
03/25/1998	EP0830511A1 Method of controlling the function of a centrifugal pump and vacuum pump combination, and a gas-separating centrifugal pump
08/1997
08/19/1997	US5658135 Waste water pump station
05/1997
05/21/1997	EP0774584A1 A device for mounting and keeping together parts in a submersible pump unit
04/1997
04/09/1997	EP0767279A1 Waste water pump station
12/1996
12/12/1996	WO1996039583A1 Method of controlling the function of a centrifugal pump and vacuum pump combination, and a gas-separating centrifugal pump
11/1995
11/15/1995	EP0493428B1 Pump or compressor unit
10/1995
10/17/1995	CA1337343C Staged turbo compressor with flanged and air cooled drive shaft
05/1995
05/23/1995	US5417544 For undersea use
04/1995
04/04/1995	CA1335091C Turbo-compressor with shared end bearing air cooling means
10/1994
10/11/1994	CA1332386C Transition duct for centrifugal fan

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