| 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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| 07/31/1991 | EP0439241A2 Handling apparatus with a suction cup |
| 07/31/1991 | EP0438804A1 Apparatus for driving turbo supercharger |
| 07/25/1991 | WO1991010832A1 Silencer system for hydrokinetic amplifier |
| 07/16/1991 | US5032059 Suction and pumping apparatus |
| 06/18/1991 | US5024583 Jet pump structure for a fuel tank |
| 06/05/1991 | EP0430438A2 Powder pump with internal valve |
| 06/05/1991 | CN2078386U Efflux device for deep well water pumping |
| 06/04/1991 | US5020636 Piezoelectric lubricating device for a bearing |
| 05/28/1991 | US5018946 Fluid pump apparatus |
| 05/15/1991 | CN1051414A Pneumatic jet pump for extracting liquid |
| 04/18/1991 | WO1991005171A1 Air operated vacuum pump |
| 04/17/1991 | CN2075275U Jet vacuum pump |
| 04/16/1991 | US5007803 Air operated vacuum pump |
| 03/29/1991 | CA2025922A1 Air operated vacuum pump |
| 03/27/1991 | EP0418909A1 Method of and apparatus for driving turbosupercharger |
| 03/26/1991 | US5002465 Off-on control for an inflation aspirator |
| 03/19/1991 | US5000665 Adjustable flow mini whirlpool jet |
| 03/19/1991 | CA1281611C Power plant |
| 03/13/1991 | CN2073047U Multi-group long choke vacuum sucker |
| 02/26/1991 | CA1280640C Variable flow rate system for hydrokinetic amplifier |
| 02/20/1991 | CN1011729B Jet pump |
| 01/30/1991 | CN2070375U Micro-well diameter deep-well jet injector |
| 01/30/1991 | CN2070374U Multi-function underwell petroleum exploitation jet injector |
| 12/18/1990 | US4978073 Apparatus for pneumatically discharging liquified building material containing a hardener |
| 11/22/1990 | EP0397761A1 A liquid driven jet pump |
| 11/01/1990 | WO1990010794A3 Fluid pump apparatus |
| 10/16/1990 | US4963073 Water pressure operated water pump |
| 10/09/1990 | US4961689 Positive displacement vacuum pumps |
| 10/04/1990 | WO1990011450A1 Gas-jet ejector |
| 10/03/1990 | CN1045846A Cavity-tongue type jet injector with high efficiency |
| 10/02/1990 | US4960364 Vacuum ejector device |
| 09/20/1990 | WO1990010794A2 Fluid pump apparatus |
| 08/23/1990 | WO1990009527A1 Pneumatic injector for liquids or solids materials in divided form |
| 08/22/1990 | CN2060828U Micro-vacuum pump using circulatory water |
| 08/01/1990 | CN2059945U Multifunction vacuum generator |
| 07/25/1990 | CN1044154A Pump proportinal fluid device for jet |
| 07/24/1990 | US4943211 Sand filter cleaning system |
| 07/11/1990 | EP0377125A1 Water jet pump |
| 07/10/1990 | US4940392 Jet pump with stabilized mixing of primary and secondary flows |
| 07/03/1990 | US4938665 Jet pump |
| 06/21/1990 | DE3941892A1 Suction stream pump for vehicle fuel tank - has U-shaped configuration which reduces size of unit |
| 06/20/1990 | EP0373229A1 Mechanical vacuum pump with a spring loaded return valve |
| 06/12/1990 | US4932842 Suction generator |
| 06/06/1990 | CN1042760A Thermodynamic pump |
| 05/23/1990 | DE3838798A1 Injector for combined use |
| 05/03/1990 | WO1990004720A1 Steam/air ejector for generating a vacuum |
| 05/02/1990 | EP0365964A1 Jet pipe |
| 05/01/1990 | US4921406 Mechanical primary vacuum pump including a spring-loaded non-return flap valve |
| 04/11/1990 | EP0362330A1 Pressure alternator |
| 04/03/1990 | US4913814 Jet pump system for fluidic contactor cascade |
| 02/07/1990 | CN2052456U Jet pump by engine exhausting gas |
| 02/06/1990 | US4898517 Steam/air ejector for generating a vacuum |
| 01/30/1990 | US4896505 Pressurized-fluid-operated engine |
| 01/17/1990 | EP0350734A1 Piezoelectric lubrication device for a bearing |
| 01/10/1990 | CN2050895U Non-balloon-type cleaning device for contaminant separation |
| 01/09/1990 | US4892463 Rail mounted ejector |
| 01/03/1990 | EP0206224B1 Device for the pneumatic application of a hardenable building material hydromechanically transported in a highly viscous flow, particularly of a hydraulically injected concrete or mortar |
| 01/02/1990 | US4890598 High efficiency blower |
| 12/14/1989 | DE3819299A1 Vorrichtung zum verkleben flaechiger textilzuschnitte Apparatus for gluing flat textile blanks |
| 12/13/1989 | EP0346314A2 Vacuum ejector device |
| 12/13/1989 | CN2049291U High-efficiency jet pump |
| 11/21/1989 | US4881875 Boundary layer control in supersonic nozzle |
| 11/14/1989 | US4880358 Ultra-high vacuum force, low air consumption pumps |
| 11/14/1989 | US4880357 Method and apparatus for producing high vacuum |
| 09/27/1989 | CN2045071U Energy-saving pump for coal-stove |
| 09/26/1989 | CA1260800A1 Method of generating spiral fluid flow and the device therefor |
| 09/26/1989 | CA1260022A1 Mining apparatus and jet pump therefor |
| 09/19/1989 | US4867646 Liquid evacuation system |
| 09/13/1989 | EP0332466A2 Liquid pump apparatus |
| 09/12/1989 | US4865521 Vacuum breaking device for ejector pump |
| 09/12/1989 | US4865518 Flow induction device |
| 09/08/1989 | WO1989008196A1 Pressure alternator |
| 09/06/1989 | CN1035351A Steam-sprayed water-boiling device |
| 08/29/1989 | US4861232 Vacuum generating device |
| 08/29/1989 | US4860795 Venturi block having cut off |
| 08/16/1989 | EP0328297A2 Fluidic Contactors |
| 08/10/1989 | WO1989007204A1 Switchable ejector |
| 08/10/1989 | WO1989007203A1 A liquid driven jet pump |
| 08/09/1989 | EP0326902A1 Pulsating steam jet pump with a heat accumulator |
| 08/09/1989 | EP0326901A1 Pulsation steam jet pump with a non-return valve |
| 08/09/1989 | EP0326900A1 Pulsating steam jet pump with a displacer |
| 08/02/1989 | EP0325781A2 Steam-assisted jet pump |
| 07/18/1989 | US4848392 Solenoid on-off valve |
| 07/11/1989 | US4847043 Steam-assisted jet pump |
| 07/11/1989 | US4846617 Jet pump, in particular for hot-water heating systems with return-flow mixing |
| 07/05/1989 | CN2040559U Two-focus water-jet vacuum pump |
| 06/27/1989 | CA1256318A1 Liquid driven pump or propulsive apparatus |
| 06/21/1989 | CN2039762U Multi-purpose jetting type air evacuating device |
| 06/13/1989 | US4838953 Adjustable oil ejector |
| 06/13/1989 | US4838307 Fuel tank arrangement |
| 06/13/1989 | CA1255719A1 Flow-amplifying liquid-atomizing nozzle |
| 06/06/1989 | US4835961 Fluid dynamic pump |
| 05/23/1989 | US4832577 Vortex pump |
| 05/03/1989 | EP0313669A1 Ejector apparatus of fluidized bed heat-treating furnace |
| 03/28/1989 | US4815942 Axially-symmetric, jet-diffuser ejector |
| 03/15/1989 | CN2034208U Suction pump for sewage drainage |
| 03/07/1989 | US4810170 Jet pump |
| 02/28/1989 | US4807814 Pneumatic powder ejector |
| 02/01/1989 | CN2031858U Water jet vaccum pump |
| 01/17/1989 | US4798339 Submerged jet injection nozzle |