| Patents for F04D 9 - Priming; Preventing vapour lock (1,858) |
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| 05/27/2009 | CN201246320Y Automatic diversion device |
| 05/27/2009 | CN201246313Y Automatic control device of pumping station pollution discharge liquid level |
| 05/27/2009 | CN100491738C Non leakage fully power closed type vertical self priming pump |
| 05/20/2009 | CN201241841Y Horizontal non-leakage strong self-priming pump |
| 05/20/2009 | CN201241840Y High priming stroke self priming pump |
| 05/20/2009 | CN100488838C Device for supplying fuel to an energy production installation of a ship |
| 05/14/2009 | WO2009007075A4 Naturally-aspirated pump assembly |
| 05/14/2009 | WO2008036098A3 Improved self-priming centrifugal pump |
| 05/13/2009 | EP1381778B1 Ejector pump and a method for producing a nozzle for an ejector pump |
| 05/13/2009 | CN201236817Y Non-sealing non-leakage automatic control self-suction pump |
| 05/13/2009 | CN201236816Y Automatic control self-suction pump |
| 05/13/2009 | CN201236815Y Non-leakage two-stage self-suction pump |
| 05/13/2009 | CN201236814Y Two-stage self-suction pump |
| 05/13/2009 | CN201236813Y Easily detachable vertical strong self-suction pump |
| 05/13/2009 | CN201236812Y Submerged non-shaft sewage pump with strong self-suction capability |
| 05/13/2009 | CN201236809Y Novel fluoroplastic alloy self-suction pump |
| 05/13/2009 | CN101429941A Self-circulation vacuum auxiliary self-suction apparatus of centrifugal pump |
| 05/06/2009 | CN201232644Y Direct-coupling vertical self-priming centrifugal pump |
| 05/06/2009 | CN201232643Y Medium-coupling vertical self-priming centrifugal pump |
| 05/06/2009 | CN101424277A Vertical self-priming pump and vertical self-priming pump with filtration device |
| 04/29/2009 | CN201228639Y Farm water pump |
| 04/15/2009 | CN101408162A Strong self-priming full-automatic vacuum extractor for pump |
| 04/14/2009 | US7517186 Centrifugal pump and casing therefore |
| 04/08/2009 | CN101403387A Helical axial flow type multiphase pump supercharging unit |
| 04/01/2009 | CN101400896A Self-ventilating centrifugal pump |
| 03/19/2009 | WO2009007075A3 Naturally-aspirated pump assembly |
| 03/18/2009 | EP2037125A2 Self-priming centrifugal jet pump |
| 03/18/2009 | CN201209576Y Internal circulation type self-priming pump auto-stopping device |
| 03/11/2009 | CN201206555Y Marine vertical self-priming centrifugal pump |
| 03/11/2009 | CN101382141A Self-suction centrifugal pump |
| 03/04/2009 | CN201202657Y Small-sized centrifugal type self-sucking water pump case |
| 02/18/2009 | CN201196151Y Centrifugal self-suction pump |
| 02/04/2009 | CN101358612A Self priming pump |
| 02/04/2009 | CN100458169C Pump and liquid supply device possessing the pump |
| 01/15/2009 | WO2009007075A2 Naturally-aspirated pump assembly |
| 01/15/2009 | US20090016901 Self-priming electronic metering pump and priming methodology |
| 01/15/2009 | DE102007032228A1 Selbstansaugende Pumpenaggregation Self-priming pumps aggregation |
| 01/14/2009 | CN100451343C Big-flow self-priming centrifugal pump |
| 01/07/2009 | CN101338758A Two stage self priming pump |
| 01/07/2009 | CN101338757A Impeller-type self priming pump |
| 12/25/2008 | US20080317608 Pump Control System |
| 12/24/2008 | EP2005005A1 Self-ventilating centrifugal pump |
| 12/24/2008 | CN101328908A Apparatus for increasing air quantity to improve blower fan or wind power generator efficiency |
| 12/17/2008 | CN100443737C Pump capable of eliminating air resistor |
| 12/10/2008 | CN201162682Y Self-absorbing device for pump |
| 12/03/2008 | EP1687509B1 Method for delivering a multi-phase mixture and pump installation |
| 12/03/2008 | CN201159177Y Light well point water-pumping set |
| 11/05/2008 | CN201144827Y Vertical type non-sealed self-suction oil pump |
| 11/05/2008 | CN201144826Y Vertical type high-efficiency and energy-saving corrosion-resisting pump |
| 10/29/2008 | CN201141358Y Supercharging high-lift clean water pump of blade self-suction jet pipe |
| 10/22/2008 | CN201137573Y Water borne type bottom valve |
| 10/22/2008 | CN101290013A Marine vertical type self-suction centrifugal pump |
| 10/15/2008 | CN201133356Y Self-suction centrifugal pump structural optimization and improvement |
| 10/14/2008 | US7435277 Gas separation apparatus, a front wall and a separation rotor thereof |
| 10/08/2008 | EP1977298A2 Air release valve |
| 10/08/2008 | CN201129306Y Vertical water absorption vertical self-suction pump without leakage |
| 10/08/2008 | CN201129305Y Full-automatic self-priming device for water pump |
| 10/01/2008 | CN100422563C Automatic sucker for gas-liquid separation |
| 09/25/2008 | WO2008114045A1 Fluid pump |
| 09/24/2008 | EP1972790A1 Fluid pump |
| 09/24/2008 | CN201121592Y Self-priming apparatus of serum pump |
| 09/24/2008 | CN101270753A Hand propelled high pressure water supply pump |
| 09/18/2008 | US20080226467 Impeller with anti-vapor lock mechanism |
| 09/17/2008 | CN201116525Y Sealing-free self-sucking pump mouth ring |
| 09/10/2008 | CN201111557Y Novel self-suction dirty-discharging pump |
| 09/04/2008 | US20080210436 Method for Delivering a Multi Phase Mixture and Pump Installation |
| 09/03/2008 | CN201110267Y Steel lining fluoroplastics alloy self-sucking pump |
| 08/27/2008 | EP1961962A2 Coupling arrangement for submersible pump |
| 08/27/2008 | CN201106567Y Non-sealing self-control self-sucking pump |
| 08/27/2008 | CN100414114C Water-bearing domestic appliance comprising a drainage pump and corresponding drainage pump |
| 08/21/2008 | WO2008062482A3 Arrangements for pumping fluids from sumps |
| 08/20/2008 | EP1957801A1 Liquid pump system |
| 08/14/2008 | US20080193276 Stacked Self-Priming Pump and Centrifugal Pump |
| 08/13/2008 | CN201100263Y Ceiling vacuum water guiding jar |
| 08/13/2008 | CN201100243Y Negative pressure jar |
| 08/06/2008 | CN201096097Y Irrigation Station vacuum water-guiding device |
| 07/31/2008 | DE102007003466A1 Ventilation pump for fire extinguishing centrifugal pump in emergency vehicle e.g. fire engine, has pressure discharge channel formed between pump and working chambers, and closing device closing fluid openings by discharge channel |
| 07/30/2008 | CN201092971Y Automatic water-supply device for centrifugal pump |
| 07/30/2008 | CN201092964Y Secondary timing exhaustion water pump |
| 07/23/2008 | EP1945867A1 Wastewater lifting pump with improved features |
| 07/23/2008 | CN201090453Y Water pump vehicle for discharging flood and rushing to settle emergency |
| 07/23/2008 | CN201090452Y Novel auto exhaustion type backpressure valve for self-sucking pump |
| 07/23/2008 | CN201090451Y Self-absorbing device of pump |
| 07/23/2008 | CN201090450Y Vacuum water absorbing device |
| 07/16/2008 | CN100402863C Centrifugal pump |
| 07/10/2008 | WO2008080437A1 Suction pipe |
| 07/09/2008 | CN101216039A Vertical type highly effective energy-saving abrasion-proof pump |
| 06/25/2008 | CN201078334Y Self-priming type centrifugal pump |
| 06/19/2008 | WO2008027495A3 Self-priming adapter apparatus and method |
| 06/12/2008 | WO2008021251A3 Flood water removal system |
| 06/11/2008 | CN100394036C Pump for washing machine |
| 06/04/2008 | CN201068865Y Sealing-free self-control self priming pump |
| 06/04/2008 | CN201068864Y Linked centrifugal sealing self control self priming pump |
| 06/04/2008 | CN201068863Y Pressure tube and water pump body connected structure |
| 06/04/2008 | CN100392250C Central-mounted single-stage and multi-stage double-suction turbine synchronous suction and discharge pump |
| 05/29/2008 | WO2008062482A2 Arrangements for pumping fluids from sumps |
| 05/28/2008 | CN201065839Y Automatic control turbine synchronous discharging-suction pump |
| 05/21/2008 | CN201062583Y Sewage pump and sewage pipe evacuation water diversion system |
| 05/14/2008 | CN201059289Y Negative pressure generator for bottomless-valve water pump suction pipe |
| 05/02/2008 | WO2008027495A9 Self-priming adapter apparatus and method |