| Patents for F04D 31 - Pumping liquids and elastic fluids at the same time (579) |
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| 07/09/2008 | EP1941208A1 Oxycombustion method in which all of the carbon dioxide produced can be captured |
| 06/10/2008 | US7384541 Use of a two-phase turbine in a hydrotreatment process |
| 05/27/2008 | US7377313 Gas separator fluid crossover for well pump |
| 05/20/2008 | CA2477293C Submersible pump impeller design for lifting gaseous fluid |
| 05/06/2008 | US7367190 Supercharger with electric motor |
| 04/30/2008 | CN100385124C Mix-in structure for gas or the like in pressurization centrifugal pump |
| 04/15/2008 | CA2320927C Cell for pumping polyphasic effluent and pump comprising at least one of said cells |
| 04/03/2008 | US20080080967 Method and apparatus for operating gas turbine engines |
| 03/27/2008 | DE102006044579A1 Centrifugal pump for e.g. pumping gas liquid mixture, has gas discharge unit provided with one opening that is arranged in suction area of pump rotors, and another opening that is arranged outside of pump housing |
| 03/13/2008 | US20080063510 Device and Method for Suction Pipe |
| 02/19/2008 | US7331753 Method for compressing the working fluid during a water/steam combination process |
| 01/30/2008 | CN101115567A Degassing centrifugal apparatus with sensor |
| 01/23/2008 | EP1348065B1 Method, computer program product and use of a computer program for stabilizing a multiphase flow |
| 01/22/2008 | CA2252022C Means and method for the diphasic compression of a soluble gas in a solvent |
| 01/08/2008 | CA2350329C Improvements relating to froth pumps |
| 11/14/2007 | CN101072977A 冷却装置 Cooling device |
| 11/14/2007 | CN101072933A Axial flow supercharger and fluid compression machine |
| 10/30/2007 | CA2387625C Technique for producing a high gas-to-liquid ratio fluid |
| 10/28/2007 | CA2586769A1 Gas-transfer foot |
| 10/25/2007 | WO2007119010A1 Compact polyphase pump |
| 10/09/2007 | CA2296979C System comprising a single-stage compression unit associated with a multi-stage compression unit |
| 10/03/2007 | EP1838453A1 Degassing centrifugal apparatus with sensor |
| 09/25/2007 | US7273544 Sludge extractor |
| 09/25/2007 | CA2226799C Two-stage liquid ring pumps |
| 09/20/2007 | US20070217904 Turbine engine cooling |
| 09/13/2007 | US20070212212 Method And Device For Monitoring The Cooling Air System Of A Turbine |
| 09/11/2007 | US7267529 Deaeration system |
| 08/28/2007 | CA2265289C Bellows motor protector and motor and pumping system incorporating the same |
| 08/23/2007 | US20070196207 Pressurizing centrifugal pump |
| 08/22/2007 | EP1819979A1 Cooling device |
| 08/08/2007 | EP1606492B1 A system and process for pumping multiphase fluids |
| 07/12/2007 | US20070160461 High performance inducer |
| 07/12/2007 | US20070158075 System and process for pumping multiphase fluids |
| 07/10/2007 | US7241104 Two phase flow conditioner for pumping gassy well fluid |
| 07/05/2007 | WO2007074492A1 Ventilation machine for active mud purification plants |
| 07/03/2007 | US7239967 Method, computer program product and use of a computer program for stabilizing a multiphase flow |
| 06/20/2007 | EP1798432A2 Method and equipment for the removal of oil from a variable crown roll |
| 05/18/2007 | WO2007055591A1 Unit for gas treatment in rotating equipment for subsea compression |
| 04/25/2007 | CN1954151A High performance inducer |
| 04/12/2007 | WO2007039687A1 Oxycombustion method in which all of the carbon dioxide produced can be captured |
| 04/10/2007 | US7201558 Seal arrangement for a fan-turbine rotor assembly |
| 03/28/2007 | CN1938522A Pressurizing cenrrifugal pump |
| 03/22/2007 | US20070065275 Windmill odor control and fluid evaporating device |
| 03/22/2007 | US20070065274 Method for operating a turbo engine and turbo engine |
| 02/22/2007 | US20070041827 Cooling circuit for gas turbine fixed ring |
| 01/25/2007 | WO2006052956B1 Axial flow supercharger and fluid compression machine |
| 01/16/2007 | CA2204664C System for compressing a fluid in several phases with a centrifugal pump |
| 01/09/2007 | CA2161949C Pump for pumping fibrous pulp suspensions |
| 01/03/2007 | EP1739310A1 Pressurizing centrifugal pump |
| 12/14/2006 | WO2006052956A3 Axial flow supercharger and fluid compression machine |
| 12/13/2006 | EP0961852B2 Pump for fibrous pulp suspension with means for separating gas from the suspension |
| 11/22/2006 | CN1867753A Method for delivering a multi-phase mixture and pump installation |
| 11/09/2006 | US20060251508 Seal arrangement for a fan-turbine rotor assembly |
| 11/02/2006 | US20060245913 Compressor cleaning system |
| 10/31/2006 | US7128530 Coolable component |
| 10/17/2006 | US7121786 Mix-in structure for gas or the like in pressurization centrifugal pump |
| 10/17/2006 | CA2240340C Mixed flow liquid ring pumps |
| 10/04/2006 | EP1706644A2 High performance inducer |
| 09/13/2006 | CN1831341A Subsea pumping system |
| 09/12/2006 | CA2169895C Process and means for controlling a polyphasic pumping unit |
| 08/22/2006 | US7094016 Multi-phase flow pumping means and related methods |
| 08/17/2006 | US20060182622 Shroud Block with Enhanced Cooling |
| 08/09/2006 | EP1687509A1 Method for delivering a multi-phase mixture and pump installation |
| 08/01/2006 | US7083380 Separable distribution rotor and horizontal rotor distributor having the same |
| 08/01/2006 | CA2103850C Device for controlling and distributing a polyphase fluid |
| 07/27/2006 | US20060162934 Subsea Pumping System |
| 07/10/2006 | CA2492188A1 Impeller draft tube, shroud, impeller and aerator |
| 06/29/2006 | WO2006068530A1 Electric submersible centrifugal pump intake module |
| 06/29/2006 | US20060140750 Nozzle-cooling insert assembly with cast-in rib sections |
| 06/29/2006 | DE19737885B4 Kreiselpumpe zur Erzeugung eines Wasser-Luft-Gemisches Centrifugal pump for generating a water-air mixture |
| 06/15/2006 | US20060127212 Airfoil platform impingement cooling |
| 05/30/2006 | CA2158247C Polyphase pumping device with feedback loop |
| 05/26/2006 | WO2006053944A1 Degassing centrifugal apparatus with sensor |
| 05/18/2006 | WO2006052205A1 Cooling device |
| 05/09/2006 | CA2526054A1 Subsea pumping system |
| 04/20/2006 | US20060083605 Method for compressing the working fluid during a water/steam combination process |
| 03/09/2006 | DE10318862B4 Water carrying domestic appliance such as dishwasher or washing machine has separate chamber for drain pump located behind impeller and with holes radially on outside diameter and in vicinity of inside diameter |
| 02/23/2006 | US20060041392 Method, computer program product and use of a computer program for stabilizing a multiphase flow |
| 01/12/2006 | DE202005017787U1 Installation for feed of fluids has fluid pump and second permanent magnet connected to rotor of motor with torsional fixing and interacting with first permanent magnet in fashion of magnetic clutch |
| 12/22/2005 | US20050281683 Gas separator fluid crossover for well pump |
| 12/21/2005 | EP1606492A1 A system and process for pumping multiphase fluids |
| 12/07/2005 | EP1440221B1 Combination well kick off and gas lift booster unit |
| 11/24/2005 | DE10350226B4 Verfahren zur Förderung von Multiphasengemischen sowie Pumpenanlage Method for conveying multiphase mixtures and pumping equipment |
| 11/10/2005 | US20050249599 Turbine and turbine blade |
| 11/10/2005 | DE102005014017A1 Turbine und Turbinenschaufel Turbine and turbine blade |
| 11/03/2005 | WO2005057016A3 High performance inducer |
| 10/20/2005 | WO2005098239A1 Pressurizing centrifugal pump |
| 10/20/2005 | CA2560316A1 Pressurizing centrifugal pump |
| 09/21/2005 | CN1671969A Mix-in structure for gas or the like in pressurization centrifugal pump |
| 09/21/2005 | CN1671948A Coolable component and method for the production of a through opening in a coolable component |
| 09/09/2005 | WO2005083271A1 Two phase flow conditioner for pumping gassy well fluid |
| 08/25/2005 | US20050186065 Two phase flow conditioner for pumping gassy well fluid |
| 08/24/2005 | EP1507957B1 Coolable component and method for the production of a through-opening in a coolable component |
| 08/11/2005 | US20050175449 Mix-in structure for gas or the like in pressurization centrifugal pump |
| 07/21/2005 | DE10350226A1 Verfahren zur Förderung von Multiphasengemischen sowie Pumpenanlage Method for conveying multiphase mixtures and pumping equipment |
| 07/13/2005 | EP1553306A1 Mix-in structure for gas or the like in pressurization centrifugal pump |
| 06/23/2005 | WO2005057016A2 High performance inducer |
| 06/02/2005 | US20050118024 Coolable component |
| 05/19/2005 | WO2005045189A1 Method for delivering a multi-phase mixture and pump installation |
| 05/17/2005 | US6893207 Impeller for gassy well fluid |