| Patents for F04C 11 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations (1,800) |
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| 07/06/2000 | WO2000039465A1 Pump assembly comprising two hydraulic pumps |
| 06/29/2000 | DE19952167A1 Pumpenanordnung mit zwei Hydropumpen Pump assembly with two hydraulic pumps |
| 05/31/2000 | EP1003974A4 Cascaded progressing cavity pump system |
| 05/31/2000 | EP1003974A2 Cascaded progressing cavity pump system |
| 05/25/2000 | WO2000029730A1 Pump arrangement, a fuel delivery system and a liquid cooling system for an internal combustion engine incorporating such a pump and a vehicle comprising such a fuel delivery system and liquid cooling system |
| 05/11/2000 | WO2000026540A1 Series for compressed air motors with torque which can be theoretically output in a varied manner and a method for producing the individual compressed air motors of said series |
| 05/11/2000 | WO2000026539A1 Line of products for gear pumps having different delivery capacity and method for producing said individual gear pumps of said line of products |
| 05/11/2000 | WO2000026506A1 Rotary piston machine |
| 05/11/2000 | DE19849804A1 Baureihe für Zahnradpumpen mit unterschiedlicher Förderleistung und Verfahren zur Herstellung der einzelnen Zahnradpumpen der Baureihe Series for gear pumps with different flow rate and method for producing the individual gear pumps of the series |
| 05/11/2000 | CA2317013A1 Line of products for gear pumps having different delivery capacity and method for producing said individual gear pumps of said line products |
| 05/10/2000 | EP0999365A1 Hydraulic motor-pump unit |
| 05/10/2000 | EP0999115A1 Power steering device |
| 05/09/2000 | US6059550 Twin-cylinder impeller pump |
| 05/04/2000 | WO2000025026A1 Submersible pump for use in a bore hole |
| 05/04/2000 | DE19849935A1 Axial screw pump for producing hydraulic energy has two meshing screw spindles in housing, of which at least one is driven, with further housing enclosing spindles and located axially displaceably |
| 05/04/2000 | DE19848792C1 Tauchpumpeneinrichtung zur Verwendung in einem Bohrloch Submersible pump device for use in a wellbore |
| 04/27/2000 | WO2000023251A1 Extrusion method, extruder and product produced thereby |
| 04/18/2000 | US6050789 Pump-in-pipe |
| 04/11/2000 | US6048187 Gear pump |
| 04/04/2000 | US6045338 Compound gear pumps and engine hydraulic circuits using same |
| 03/29/2000 | EP0989286A1 Two stage rotary vane motor |
| 03/22/2000 | EP0987439A2 Electric motor driven pump |
| 03/16/2000 | DE19915319A1 Double hydro-pump, particularly double gearwheel pump, has pump housing in which two rotors revolve on common drive shaft, delivering hydraulic medium in separated pressure channels |
| 03/14/2000 | US6036453 Pump assembly |
| 03/09/2000 | DE19849805C1 Hydraulic gear motor group has connected motors with different head circle diameters |
| 02/29/2000 | US6030187 Rotary pump with a thermally conductive housing |
| 02/25/2000 | CA2280533A1 Two-stage rotary vane motor |
| 02/17/2000 | WO2000008338A1 A motor driven pump |
| 02/15/2000 | US6024550 Rotary toothed oil pump having rotor positioning protrusions |
| 02/03/2000 | WO2000005504A1 Gear pump |
| 02/01/2000 | CA2183884C Metering cap with integral pump-motor hand operated mixing facility |
| 01/27/2000 | DE19833372A1 Gear pump for vehicle power steering, integrated in casing and surrounded by absorber cavity and induction cavity |
| 01/12/2000 | EP0817802B1 Method of producing solutions of cellulose in water-containing tertiary-amin-n-oxides |
| 12/23/1999 | DE19825650A1 Schmierölversorgungseinrichtung für ein Gerät mit rotierender Gerätewelle Lubricating oil supply means for a device with rotating equipment shaft |
| 12/21/1999 | US6004119 Motor-driven hydraulic gear pump having a noise damper |
| 12/16/1999 | WO1999064745A1 Lubricating oil supplying arrangement for an apparatus having a rotating apparatus shaft |
| 12/07/1999 | US5997262 Screw pins for a gear rotor fuel pump assembly |
| 12/02/1999 | DE19923851A1 Hydraulic gear machine, such as internally geared pump |
| 11/30/1999 | US5993163 Demand system for pneumatic source with controller responsive to bypass air flow rate |
| 11/25/1999 | WO1999059859A1 Power steering device |
| 11/25/1999 | DE19921836A1 Automotive hydrostatic rotary gear has concentric rotary pump |
| 11/25/1999 | DE19919240A1 Positive displacement rotary piston bore hole motor and pumping unit |
| 11/25/1999 | DE19918390A1 Piston pump for braking systems |
| 11/25/1999 | DE19918376A1 Pump unit for e.g. motor vehicle brake systems |
| 11/09/1999 | US5980221 Fuel pump pulse damper |
| 11/03/1999 | EP0953770A1 Rotary pump and motor assembly |
| 10/14/1999 | DE19815480A1 Flanged gearwheel pump for hydraulic circuits in compressors |
| 10/06/1999 | EP0742872B1 Rotary pump and motor assembly |
| 09/22/1999 | EP0943056A1 Motor pump unit |
| 09/10/1999 | WO1999045272A1 Integrated positive displacement pump motor assembly for fuel dispensing |
| 09/07/1999 | US5948905 Efficient and simple proceess by heating and pressurizing mixture of undissolved cellulose, tertiary amine n-oxides and water; flash evaporation of mixture at reduced pressure; obtaining cellulose solution |
| 09/02/1999 | DE19910514A1 Rotary piston machine for use as engine |
| 07/21/1999 | EP0929442A1 Demand system for pneumatic source |
| 07/15/1999 | WO1999022141A3 Pumping apparatus |
| 05/18/1999 | US5904472 Motor pump unit for a vapor return system |
| 05/06/1999 | WO1999022141A2 Pumping apparatus |
| 04/29/1999 | WO1999020904A1 Downhole roller vane motor and roller vane pump |
| 04/29/1999 | CA2306622A1 Downhole roller vane motor and roller vane pump |
| 04/22/1999 | DE19745010A1 Hydraulic motor with at least one gearwheel set section, one supply section and one front section |
| 04/22/1999 | DE19742669A1 Catheter |
| 04/15/1999 | DE19744599A1 Hydraulic circuit with hydraulic medium esp. oil circulating in hydraulic line |
| 03/31/1999 | EP0905378A1 Electric pump apparatus |
| 03/31/1999 | EP0904491A2 Apparatus for providing pressurized liquid to a device, high speed flood cooled motor/generator therefor |
| 03/10/1999 | CN1210577A Twin-cylinder impeller pump |
| 03/03/1999 | EP0898893A1 Device for stuffing sausage meat |
| 02/24/1999 | EP0864045A4 Fluid pump with bearing set having lubrication path |
| 02/16/1999 | US5871340 Apparatus for cooling high-pressure boost high gas-fraction twin-screw pumps |
| 02/09/1999 | US5868175 Apparatus for recovery of fuel vapor |
| 01/20/1999 | CN2304768Y Multi-purpose hydraulic mechanism |
| 01/14/1999 | WO1999001667A1 Hydraulically driven oil well pump |
| 01/07/1999 | DE19828108A1 Lighting device for arranging an outside of car |
| 01/05/1999 | US5855473 High displacement rate,scroll-type, fluid handling apparatus |
| 12/23/1998 | EP0886067A1 Hydraulic pumping unit |
| 12/16/1998 | EP0883746A1 Vapor recovery pump |
| 12/10/1998 | DE19723988A1 Gearwheel pump operated by electric motor |
| 12/02/1998 | CN1200791A Wellhead drive brake system |
| 12/01/1998 | US5842848 Compact high-volume gear pump |
| 12/01/1998 | US5842837 Tandem pump apparatus |
| 11/19/1998 | DE19711843A1 Rotary piston especially internal combustion engine |
| 11/11/1998 | EP0877165A2 Horizontal pumping system |
| 11/07/1998 | CA2236762A1 Horizontal pumping system |
| 11/04/1998 | EP0804687B1 Liquid ring compressor/turbine and air conditioning systems utilizing the same |
| 11/03/1998 | US5829647 Metering gearhead dispensing apparatus having selectively positionable gear pumps |
| 10/29/1998 | DE19717455A1 Pump arrangement |
| 10/28/1998 | EP0874158A1 Vacuum pump with shaft seal |
| 10/28/1998 | EP0873474A1 Twin-cylinder impeller pump |
| 10/20/1998 | US5823169 Aggregate for feeding fuel from supply tank to internal combustion engine |
| 10/15/1998 | DE19816173A1 Motor-driven fuel pump |
| 10/13/1998 | US5820354 Cascaded progressing cavity pump system |
| 10/08/1998 | WO1998020259A3 Cascaded progressing cavity pump system |
| 10/06/1998 | US5816297 Vapor control system |
| 10/01/1998 | DE19711675A1 Surgical hand instrument for removing tissue material in e.g. cataract surgery |
| 09/23/1998 | EP0736702B1 Hydraulic speed variator |
| 09/22/1998 | US5810568 Rotary pump with a thermally conductive housing |
| 09/16/1998 | EP0864045A1 Fluid pump with bearing set having lubrication path |
| 08/25/1998 | US5797734 Positive displacement hydraulic pump |
| 08/19/1998 | EP0858406A1 Motor pump for a vehicle braking system |
| 08/05/1998 | EP0708888B1 A pump with twin cylindrical impellers |
| 07/28/1998 | US5785149 Screw-type compressor |
| 07/07/1998 | US5775881 Oil supply system |