| 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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| 08/03/1999 | US5931643 Fluid jet ejector with primary fluid recirculation means |
| 08/03/1999 | CA2140245C Deep bed sand filter |
| 07/29/1999 | WO1999037927A1 Pumping-ejection apparatus |
| 07/29/1999 | WO1999037926A1 Pumping-ejection apparatus and operation method thereof |
| 07/29/1999 | WO1999037925A1 Liquid-gas ejector |
| 07/29/1999 | CA2284700A1 Liquid-gas ejector |
| 07/29/1999 | CA2284699A1 Operation method of a pumping ejector unit and pumping ejector unit for embodiment of the method |
| 07/29/1999 | CA2284698A1 Multi-stage jet pump arrangement for a vacuum apparatus |
| 07/27/1999 | US5927952 Apparatus for vacuum absorption with bypass passage reverse flow protection device |
| 07/14/1999 | EP0928252A1 Device for drawing fuel for motor vehicle tank |
| 07/07/1999 | CN2327822Y Inductive two wave electromagnetic pump for pumping liquid metal flux |
| 07/07/1999 | CN2327821Y Vacuum jet pump |
| 06/30/1999 | EP0925454A1 Reversible venturi-effect pump |
| 06/30/1999 | EP0817739B1 Jet pump |
| 06/24/1999 | WO1999031392A1 Liquid-gas ejector |
| 06/22/1999 | US5913334 Apparatus for inducing pressure drop on flue gas exhaustion |
| 06/17/1999 | DE19855311A1 Clamping mechanism for repairing a nuclear reactor pressure vessel jet pump-riser system |
| 06/17/1999 | DE19845328A1 Automotive vacuum system for e.g. fuel tank filters |
| 06/17/1999 | DE19754055A1 Effluent treatment system with regulated media additions |
| 06/16/1999 | EP0921927A1 Method for the production of a tight plastic housing |
| 06/10/1999 | WO1999028633A1 Gas and fluid jet apparatus |
| 06/09/1999 | EP0920589A1 Pump for conveying a medium |
| 06/09/1999 | EP0834019A4 An air movement apparatus |
| 06/03/1999 | WO1999027259A1 Differential pumping via core of annular supersonic jet |
| 05/26/1999 | CN1217704A Air ozone mixer and ozone fog generator |
| 05/20/1999 | WO1999024704A1 Device for producing energy by means of a turbo-machine |
| 05/20/1999 | CA2320977A1 Device for producing energy by means of a turbo-machine |
| 05/19/1999 | EP0916826A1 Gas turbine with hydraulic air compressor |
| 05/12/1999 | DE19850081A1 Pressurised air-driven suction nozzle |
| 05/12/1999 | CN2318441Y Air knife |
| 05/06/1999 | WO1999022148A1 Operation process of a pumping-ejection apparatus and related apparatus |
| 05/06/1999 | EP0912833A1 A device for generating an underpressure |
| 05/06/1999 | EP0603395B1 Fluid pressure apparatus |
| 05/06/1999 | CA2277196A1 Operation process of a pumping-ejection apparatus and related apparatus |
| 04/29/1999 | DE19809851A1 Central heating system valve |
| 04/22/1999 | WO1999019632A1 Liquid-gas jet apparatus |
| 04/21/1999 | EP0772745B1 Fuel feeding device with a sucking jet pump |
| 04/21/1999 | CN1214748A Method and device at pumping of medium |
| 04/20/1999 | US5896435 Pressurized water supply device for a steam injector water source |
| 04/08/1999 | WO1999017013A1 Jet pump comprising a jet with variable cross-section |
| 04/08/1999 | WO1998056495A9 Method for obtaining a two-phase supersonic flow with heat supply in jet pump plant |
| 04/08/1999 | DE19743475A1 Minutely perforated conveyor wheel |
| 03/30/1999 | US5887623 Fluid pressure apparatus |
| 03/25/1999 | WO1999014015A1 Fluid abrasive jets for machining |
| 03/23/1999 | US5884664 Fluid pressure apparatus |
| 03/06/1999 | WO1999022147A1 Liquid-gas jet apparatus with multiple nozzles and variants |
| 03/06/1999 | CA2277185A1 Multi-nozzle liquid-gas jet apparatus (variants) |
| 03/04/1999 | WO1999010639A1 Device to generate energy through a turbo engine |
| 03/04/1999 | DE19737186A1 System for producing low-pressure expanding cavity in a cylinder to pump gas from a space |
| 03/04/1999 | DE19736901A1 Vorrichtung zur Energiegewinnung mittels einer Strömungsmaschine Apparatus for obtaining energy by means of a turbomachine |
| 03/04/1999 | CA2301624A1 Device to generate energy through a turbo engine |
| 02/18/1999 | WO1999008003A1 Method for generating vacuum and pumping-ejection apparatus for realising the same |
| 02/17/1999 | EP0896949A1 Air ozone mixer and ozone fog generator |
| 02/17/1999 | CN1208148A Feed water heating system for power generating plant |
| 02/10/1999 | CN2307145Y Constant ratio constant pressure steam jet pump with changeable spray nozzle |
| 02/04/1999 | WO1998050703A3 Liquid-gas jet apparatus |
| 02/04/1999 | DE19834196A1 Feed water-heating system for power supply plant |
| 01/28/1999 | WO1998047591A3 Operation process of a pumping-ejection stand for distilling liquid products |
| 01/28/1999 | DE19821686A1 Non=return valve unit for braking force amplifier |
| 01/27/1999 | EP0893598A2 Fuel system |
| 01/20/1999 | EP0891490A1 Rankine cycle boiler feed via hydrokinetic amplifier |
| 01/14/1999 | WO1999001670A1 Pumping-ejection apparatus |
| 01/13/1999 | EP0889989A1 Method and device at the pumping of a medium |
| 01/12/1999 | US5857838 For transferring fluid |
| 01/07/1999 | EP0889244A2 Ejector |
| 01/07/1999 | DE19728225A1 Regulating safety block, particularly for high pressure pump |
| 12/30/1998 | WO1998059172A1 Pump for conveying a medium |
| 12/23/1998 | WO1998058176A1 Pumping-ejection apparatus and variants |
| 12/23/1998 | WO1998058175A1 Operation method for a gas-liquid ejector |
| 12/23/1998 | CN1202581A Method and device for clearing oil mist |
| 12/22/1998 | CA2174200C Scroll compressor having a suction check valve |
| 12/17/1998 | WO1998056495A1 Method for obtaining a two-phase supersonic flow with heat supply in jet pump plant |
| 12/10/1998 | WO1998055808A1 Device for compressing a compressible fluid |
| 12/10/1998 | DE19722261A1 Water treatment assembly |
| 12/10/1998 | CA2291587A1 Device for compressing a compressible fluid |
| 11/24/1998 | US5839884 Supersonic jet pump device with two drive nozzles |
| 11/19/1998 | DE19714858C1 Saugstrahlpumpe Eductor |
| 11/18/1998 | EP0878664A1 Gas injection device for inducing draught in a gaseous fluid transport system |
| 11/12/1998 | WO1998050703A2 Liquid-gas jet apparatus |
| 11/05/1998 | DE19718867A1 Jet condenser for e.g. primary circuit of PWR nuclear power generation reactor |
| 10/29/1998 | WO1998047591A2 Operation process of a pumping-ejection stand for distilling liquid products |
| 10/28/1998 | EP0874154A2 Compressor with lubrication mechanism in which a lubricating oil is sprayed into a crank chamber together with a refrigerant gas |
| 10/27/1998 | US5827049 Bi-turbojets polyphasic pump with axial thrust cancellation |
| 10/21/1998 | EP0872437A2 Device for generating a vacuum |
| 10/21/1998 | CN2295068Y Portable oil-suction device |
| 10/21/1998 | CN1196326A Apparatus for generating vacuum |
| 10/15/1998 | WO1998045602A1 Suction jet pump |
| 10/14/1998 | EP0870733A1 Aerator for liquids |
| 10/13/1998 | US5821475 Venturi muffler with variable throat area |
| 10/13/1998 | US5820353 Apparatus and process for operating jet pump from which a driving medium exits at supersonic speed |
| 10/08/1998 | WO1998044263A1 Jet pump for creating the vacuum conditions required for liquid product distillation |
| 10/08/1998 | DE19711855A1 Verfahren und Vorrichtung zum Austragen eines in einer Flüssigkeit gelösten oder fein verteilten Mediums Method and apparatus for discharging a solute in a liquid or finely divided medium |
| 10/01/1998 | WO1998042433A1 Method and device for discharging a liquid-dissolved or finely distributed medium |
| 09/30/1998 | CN2292927Y Self priming pump for sprinkling irrigation |
| 09/24/1998 | WO1998044262A1 Operating mode of a jet blower |
| 09/24/1998 | WO1998041764A1 Jet pump installation for creating a vacuum during distillation of a liquid |
| 09/23/1998 | EP0769106B1 Process for operating a jet pump, and said jet pump |
| 09/23/1998 | CN1039937C Liquid washing type soot extractor without pollutant exhaust |
| 09/22/1998 | US5810563 Ejector pump having flow directing profiles |
| 09/16/1998 | EP0864752A2 Control valve group for the continuous operation of a pumping element |