| Patents for F04C 15 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups (7,179) |
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| 02/03/1998 | US5713726 Pump apparatus |
| 01/29/1998 | DE19629336A1 Vane cell pump |
| 01/28/1998 | EP0821187A2 Oil pressure generator and power output apparatus |
| 01/27/1998 | US5711408 Reversible gerotor pump |
| 01/21/1998 | EP0819854A2 Motor-driven Hydraulic pump and driving coupler used in the same |
| 01/21/1998 | EP0819852A2 Pump and drive unit with drive cooling by means of the pumped liquid |
| 01/17/1998 | CA2210621A1 Motor-driven hydraulic pump and driving coupler used in the same |
| 01/08/1998 | DE19728498A1 Pump handling pasty cosmetics or foodstuffs |
| 01/08/1998 | DE19625565A1 Kraftstoff-Förderpumpe für eine Kraftstoff-Einspritzpumpe für Brennkraftmaschinen Fuel feed pump for a fuel injection pump for internal combustion engines |
| 01/07/1998 | EP0816681A2 Vane pump |
| 01/02/1998 | DE19725195A1 Cellular flywheel pump |
| 12/31/1997 | WO1997049915A1 Vane pump |
| 12/31/1997 | WO1997049910A1 Fuel supply pump for a fuel injection pump for internal combustion engines |
| 12/30/1997 | US5703422 Magnetic eccentric motion motor |
| 12/30/1997 | US5702243 Hydraulic motor with pressure compensated end plates |
| 12/30/1997 | US5702234 Fluid pump with bearing set having lubrication path |
| 12/29/1997 | EP0814265A1 Hydraulic pump with noise reduction |
| 12/23/1997 | US5700140 Pump with improved bearing arrangement for axial position control |
| 12/18/1997 | WO1997047886A1 Progressive cavity pump |
| 12/18/1997 | WO1997047885A1 Bidirectionally operable, unidirectionally feeding pump |
| 12/18/1997 | WO1997047884A2 Apparatus for providing pressurized liquid to a device, high speed flood cooled motor/generator therefor |
| 12/18/1997 | CA2264089A1 Progressive cavity pump |
| 12/17/1997 | CN2270829Y Oil pipe ancher for screw pump |
| 12/10/1997 | EP0811765A2 Internal combustion engine with two-stage internal gear pump |
| 12/10/1997 | EP0811122A1 Pump having relief valve seat free of direct structural restraint |
| 12/09/1997 | CA2078956C Hydraulic machine of the gear type |
| 12/03/1997 | EP0810370A2 Electronic cam compensation of pressure change of servo controlled pumps |
| 12/02/1997 | US5692885 Laboratory pump for liquids |
| 12/02/1997 | US5692883 Compact electro-hydraulic unit |
| 11/27/1997 | DE19721108A1 Fuel pump used in vehicle |
| 11/27/1997 | DE19620700A1 Internal combustion engine axial gear lubricant pump |
| 11/20/1997 | DE19630975A1 Hydraulic machine with toothed ring for pumps |
| 11/13/1997 | WO1997042415A1 Shaft seal |
| 11/13/1997 | DE19719692A1 Reversible rotation gear pump |
| 11/12/1997 | EP0701661B1 Gear pump with controlled clamping force |
| 11/12/1997 | CN1164887A Internally geared pump without filler element |
| 11/09/1997 | CA2176404A1 Gear pump and seal for use therewith adapted for use in vacuum applications |
| 11/06/1997 | WO1997041354A1 Bending rod connection |
| 11/06/1997 | CA2252685A1 Bending rod connection |
| 11/04/1997 | US5682745 Bootstrap power steering systems |
| 10/22/1997 | EP0802326A1 Pressure gradient controlled gear machine |
| 10/08/1997 | EP0799998A1 Rotary piston pump with magnetic retaining means |
| 10/07/1997 | US5675197 Magnetic eccentric motion motor |
| 10/07/1997 | US5674060 Hydraulic internal gear machine having a fluid pressure biased sealing plate |
| 10/02/1997 | WO1997036107A1 Eccentric sealed rotary drive device, particularly for a positive displacement pump |
| 10/02/1997 | DE19612499A1 Hydraulic motor or pump |
| 09/30/1997 | US5672923 Magnetic eccentric motion motor |
| 09/25/1997 | WO1997035096A1 Magnetic drive and suspension system for positive displacement planetary vane pumps |
| 09/23/1997 | US5670852 Pump motor and motor control |
| 09/23/1997 | US5669761 Discharge control apparatus of hydraulic pump for automatic transmission |
| 09/18/1997 | WO1997034095A1 Rod seal cartridge for progressing cavity artificial lift pumps |
| 09/18/1997 | DE19609992A1 Gearwheel machine acting as pump or motor |
| 09/02/1997 | US5662462 Sealing arrangement for a hydraulic motor and pump |
| 08/26/1997 | US5660531 Gear pump with minimized canitation |
| 08/20/1997 | EP0790410A1 Gerotor motor |
| 08/20/1997 | EP0789814A1 Internally geared pump without filler element |
| 08/19/1997 | US5658137 Vane rotator with conical bearing and brake |
| 08/14/1997 | DE19604517A1 Geared pump for vehicle gearchange mechanism |
| 08/12/1997 | US5656879 Fluid pump |
| 08/06/1997 | EP0787260A1 Multiple-chamber gear pump |
| 07/30/1997 | EP0786058A1 Automatic gearbox, in particular for motor vehicles |
| 07/24/1997 | DE19616578C1 Drive head for rotary driven rod linkage for borehole pump |
| 07/17/1997 | DE19600740A1 Vane pump |
| 07/09/1997 | EP0782672A1 Regulating device for displacement pumps |
| 07/02/1997 | EP0781356A1 Process for transporting a cellulose solution in an aqueous tertiary amine oxidee |
| 06/26/1997 | WO1997022805A1 Low noise hydraulic pump with check valve timing device |
| 06/24/1997 | US5641281 Lubricating means for a gear pump |
| 06/19/1997 | WO1997021925A1 Double worm system |
| 06/19/1997 | WO1997021571A1 Hydraulic braking system for motor vehicles |
| 06/19/1997 | DE19546682A1 Hydraulische Bremsanlage für Kraftfahrzeuge A hydraulic brake system for motor vehicles |
| 06/17/1997 | US5638600 Method of making an efficiency enhanced fluid pump or compressor |
| 06/12/1997 | WO1997021032A1 Vane pump |
| 06/12/1997 | DE19617213C1 Bending shaft connection for pump rotor or drill head |
| 06/11/1997 | EP0778418A1 Rotary pump |
| 06/11/1997 | EP0778417A2 Gear pump |
| 06/05/1997 | WO1997020145A1 Axial sealing |
| 06/05/1997 | WO1997020144A1 Sealing element |
| 06/05/1997 | WO1997020143A1 Fluid pump with bearing set having lubrication path |
| 06/03/1997 | US5635782 Magnetic eccentric motion motor |
| 06/03/1997 | US5634776 Low noise hydraulic pump with check valve timing device |
| 05/22/1997 | WO1997018420A1 Variable speed liquid refrigerant pump |
| 05/14/1997 | EP0638144B1 Gear machine |
| 05/13/1997 | US5628516 For use with an oil well |
| 05/09/1997 | WO1997016644A1 Pump having relief valve seat free of direct structural restraint |
| 05/07/1997 | CN1149108A Perfected twin-screw pump, particularly suitable for pumping of biphase fluids in submarine environment |
| 05/02/1997 | EP0590102B1 Flow regulator valve |
| 04/29/1997 | US5624251 Gear pump |
| 04/15/1997 | US5620315 Gear pump for feeding of fluids |
| 04/09/1997 | CN1146963A Compact electro-hydraulic unit |
| 04/08/1997 | US5618172 Spinning pump for polyamides |
| 04/08/1997 | US5618171 Supply unit with a ceramic internal gear pump |
| 04/03/1997 | WO1997012083A1 Process for transporting a cellulose solution in an aqueous tertiary amine oxide |
| 03/27/1997 | DE19535372A1 Hydraulic motor for excavator, etc. |
| 03/20/1997 | WO1997010437A1 Wellhead drive brake system |
| 03/20/1997 | DE19530977A1 Shaft-joint for eccentric-auger-type pump |
| 03/19/1997 | EP0763659A2 Vane pump |
| 03/19/1997 | EP0711383A4 Improved bootstrap power steering systems |
| 03/13/1997 | WO1997009533A1 Internally geared pump without filler element |
| 03/13/1997 | DE19533215A1 Pump with two enmeshed wheels, esp. for power-assisted steering |
| 03/12/1997 | EP0761970A1 Compact electrohydraulic apparatus |