| Patents for F04F 5 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (4,425) |
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| 10/06/2004 | CN2646382Y Perforation and formation testing and flowing thribble working test oil equipment of jet injector |
| 10/05/2004 | US6799435 Vapor compression refrigeration system |
| 09/30/2004 | WO2004083601A1 A system and process for pumping multiphase fluids |
| 09/30/2004 | WO2004082353A2 Pneumatic suction device |
| 09/30/2004 | US20040188868 Water-driven blower ventilation exhaust system |
| 09/30/2004 | DE102004009966A1 Ejektorpumpe mit konisch zulaufender Düse und konisch zulaufender Nadel Ejector with tapered nozzle and tapered needle |
| 09/29/2004 | CN1532471A Jet circulation system |
| 09/29/2004 | CN1168905C Joint refrigeration type steam-jet vacuum pump |
| 09/29/2004 | CN1168890C Hydraulic spray pump with sampler |
| 09/28/2004 | US6796772 Ejector and negative-pressure supply apparatus using the same |
| 09/23/2004 | US20040182570 Bore-hole-jet device for formation testing and a prestarting procedure for said device |
| 09/23/2004 | US20040182363 Vacuum generator in combustion engine |
| 09/22/2004 | CN2643048Y Field mounting type radio frequency water pump control box |
| 09/16/2004 | WO2004079192A1 Vacuum device and vacuum pump |
| 09/15/2004 | EP1457685A1 Jet pump |
| 09/15/2004 | CN2641356Y Horizontal, anti-corrosion and water-jetting type vacuum machine set |
| 09/15/2004 | CN2641355Y Low-rack vacuum pump anti-back flow of water type pipeline |
| 09/14/2004 | US6789491 Friction reducing ship and method for reducing frictional resistance |
| 09/09/2004 | US20040172966 Ejector with tapered nozzle and tapered needle |
| 09/08/2004 | CN1527007A Sprayer with tapered nozzle and tapered needle |
| 09/08/2004 | CN1165708C Torch type apparatus and fuel combustion method |
| 09/07/2004 | US6786700 Vapor evacuation device |
| 09/07/2004 | US6786228 Air circuit with air economizing and memory |
| 08/31/2004 | US6783334 Hydraulic pump reservoir having deaeration diffuser |
| 08/31/2004 | US6783329 Regulating jet pump with two fluid seals, one opening at an intermediate inlet pressure and the other opening at a higher inlet pressure for increased flow through the pump |
| 08/26/2004 | US20040166000 Wine must and pomace pump |
| 08/25/2004 | CN1524034A Pump fluid pipe for an ejector pump and two methods for producing said pump fluid pipe |
| 08/24/2004 | US6779985 Vacuum generating device |
| 08/24/2004 | US6779360 Ejector having throttle variable nozzle and ejector cycle using the same |
| 08/19/2004 | US20040159357 Separating arrangement for treatment of fluids |
| 08/19/2004 | DE202004006923U1 Suction hose adaptor for vacuum source has additional pressure hose to increase fluid flow by circumferential jets |
| 08/18/2004 | CN1162666C Jet circulating system |
| 08/12/2004 | DE202004006369U1 Compressed air silo suction unit has movable and removable vacuum container equipped with two wheels on trolley fitted with hand shaft |
| 08/11/2004 | CN2632367Y Pumped vacuum system of steam jetting pump |
| 08/11/2004 | CN1161557C Feed water heating system for power generating plant |
| 08/04/2004 | CN1160540C Injector for injector circulation system |
| 07/29/2004 | DE102004002021A1 Verbesserter Aufbau einer Strahlvakuumpumpe Improved construction of a vacuum pump |
| 07/27/2004 | US6767191 Method of compressing gaseous hydrocarbon-containing medium |
| 07/22/2004 | US20040141410 Fluid mover |
| 07/21/2004 | EP1301367B1 Fuel delivery unit |
| 07/21/2004 | CN1514912A Well jet device for well testing and developing and operating method for said well jet device |
| 07/21/2004 | CN1514911A Well jet device for well testing and developing and operating method for said well jet device |
| 07/21/2004 | CN1514138A Bottle neck water pump |
| 07/15/2004 | US20040134663 Well jet device for well testing and development and operating method for said well jet device |
| 07/15/2004 | US20040134653 Method and operation of a well jet device inkwell testing and development and the well jet device for carrying out said method |
| 07/15/2004 | DE19834196B4 Speisewasser-Heizsystem für eine Dampfturbine Feed water heating system for a steam turbine |
| 07/14/2004 | CN2625627Y Jet-flow pore-creating apparatus |
| 07/08/2004 | WO2004057196A1 A pumping system |
| 07/08/2004 | US20040129416 Well jet device for well testing and developing and the operating method for said well jet device |
| 07/01/2004 | WO2004055384A1 Well jet device operating method and device for carrying out said method |
| 07/01/2004 | WO2004055383A1 Operating method for a well pulse ejection pumping device and device for carrying out said method |
| 07/01/2004 | WO2004055382A1 Operating method for a well jet device and device for carrying out said method |
| 07/01/2004 | DE10255472B3 Ejector pump for producing vacuum for suction cup has compressed-air connection to Laval nozzle with air jet passing through suction chamber into mixing tube leading to eddy chamber |
| 07/01/2004 | DE10250532B3 Treibgas betriebene Ejektoranordnung LPG powered ejector |
| 06/30/2004 | CN1508447A Environmental protection jet air-compressing pump |
| 06/29/2004 | US6755207 Venturi based liquid transfer apparatus |
| 06/16/2004 | CN1504736A Vacuum treatment generator |
| 06/16/2004 | CN1504735A Testing scheme and method for jet flow type kitchen ventilator pure air quantity characterizing air performance |
| 06/09/2004 | CN1503880A Ejector pump and a method for producing a nozzle for an ejector pump |
| 06/09/2004 | CN1503868A Method for hydraulic subsea dredging |
| 06/09/2004 | CN1153039C A method of regulating a steam injector |
| 06/03/2004 | US20040105760 Ejector with gas propulsion |
| 06/03/2004 | US20040104023 Double-cone device and pump |
| 06/03/2004 | US20040103685 Ejector cycle system |
| 06/02/2004 | CN1152191C Steam jet vacuum equipment |
| 06/01/2004 | US6743636 Microfluid driving device |
| 05/27/2004 | US20040101416 Pump fluid pipe for an ejector pump and two methods for producing said pump fluid pipe |
| 05/27/2004 | DE10244680B4 Verfahren zur Herstellung einer Fluideinheit A method of manufacturing a fluid unit |
| 05/26/2004 | EP1420868A1 Fluid injector with vent/proportioner ports |
| 05/26/2004 | CN1500185A Well jet device |
| 05/26/2004 | CN1499158A Injector with throttle variable nozzle and injector circulation using such injector |
| 05/25/2004 | CA2249248C Method and device at the pumping of a medium |
| 05/20/2004 | US20040094848 Gas eductors and gas eductor flotation separators |
| 05/19/2004 | CN1498303A Double-cone device and pump. |
| 05/18/2004 | US6736603 Oil suction pump |
| 05/13/2004 | WO2004040146A1 Well jet device operating method associated with hydrodynamic action performed on a well bore zone |
| 05/13/2004 | US20040091366 Pneumatic driving device and the associated method for micro fluids |
| 05/13/2004 | US20040091350 Fluidic actuation for improved diffuser performance |
| 05/13/2004 | US20040089019 Ejector having throttle variable nozzle and ejector cycle using the same |
| 05/13/2004 | DE10349283A1 Ejektor mit drosselungsvariabler Düse und Ejektorkreislauf unter Verwendung derselben Ejector with throttling variable nozzle and ejector using the same |
| 05/06/2004 | WO2004038838A2 Fuel cell system |
| 05/06/2004 | EP1144915B1 Burner-type apparatus and fuel combustion method |
| 05/06/2004 | DE10009167B4 Luftspareinrichtung für eine Saugvorrichtung Air-saving device for a suction device |
| 05/04/2004 | US6729852 Vacuum producing device |
| 05/04/2004 | US6729851 Vacuum generating device |
| 05/04/2004 | US6729158 Ejector decompression device with throttle controllable nozzle |
| 05/04/2004 | US6729157 Air conditioner with ejector cycle system |
| 04/28/2004 | EP0934449B1 Aircraft fuel transfer pump with auxiliary fuel line scavenge pump |
| 04/28/2004 | EP0920589B1 Pump for conveying a medium |
| 04/22/2004 | WO2004033920A1 Jet pump |
| 04/20/2004 | US6722855 Oil pumping device |
| 04/15/2004 | US20040071557 Well jet device |
| 04/15/2004 | DE202004001787U1 Düse für aufblasbare Gegenstände Nozzle for inflatable objects |
| 04/15/2004 | DE10237050B3 Saugstrahlpumpe Eductor |
| 04/14/2004 | CN2611656Y High power driving gas compression pump |
| 04/14/2004 | CN2611655Y Jet pump |
| 04/13/2004 | US6719536 Vacuum generator with power failure operation mode |
| 04/08/2004 | WO2004012867A3 Gas eductors and gas educators flotation separators |
| 04/08/2004 | US20040067142 Downhole jet unit for testing and completing wells |
| 04/08/2004 | US20040067141 Downhole jet unit for testing and completing wells |