| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 05/09/1995 | US5413468 In a rotary fuel pump |
| 05/04/1995 | WO1995012070A1 Internally geared machine |
| 05/02/1995 | US5411376 Fuel pump with noise suppression |
| 04/18/1995 | US5407337 Helical gear fluid machine |
| 04/18/1995 | US5407336 Hydraulic motor |
| 04/18/1995 | US5407327 To supply fuel in fuel injection pumps of internal combustion engines |
| 04/13/1995 | WO1995009973A1 Positive displacement pump apparatus |
| 04/12/1995 | EP0469135B1 Gear pump or motor |
| 04/12/1995 | CN2194424Y Rotator for liquid conveying pump |
| 04/05/1995 | CN1101106A Rotary compressor |
| 04/04/1995 | US5403173 Housing for intermeshing gear pump |
| 03/30/1995 | WO1995008698A1 Meshing type rotors |
| 03/29/1995 | CN2193446Y Outside supporting inner engaging cycloidal gear pump |
| 03/29/1995 | CN1100780A Roots pump rotor |
| 03/29/1995 | CN1100774A Engagement type rotor |
| 03/22/1995 | CN2192747Y Motor vehicle oil-well pump |
| 03/22/1995 | CN2192746Y 齿轮泵 Gear pumps |
| 03/21/1995 | US5399079 Sickleless internal gear pump with sealing elements inserted in the tooth heads |
| 03/21/1995 | US5399077 Variable capacity vane pump |
| 03/21/1995 | US5399075 Pump for a liquid, particularly an electric fuel pump for an internal combustion engine |
| 03/15/1995 | CN1100183A An oil pump for a closed type compressor |
| 03/09/1995 | WO1995006819A1 Vane-cell pump |
| 03/09/1995 | DE4330085A1 Rotary piston for positive displacement pumps using the Roots principle for incompressible media |
| 03/08/1995 | EP0641937A1 Moineau pump |
| 03/07/1995 | US5395221 Carbide or boride coated rotor for a positive displacement motor or pump |
| 03/07/1995 | US5395217 Gear pump for oil for an internal-combustion engine, in particular for motor vehicles |
| 03/02/1995 | DE4328872A1 Pump having two chambers for conveying (delivering) hydraulic and pneumatic media, which can be operated in axial and radial directions |
| 03/01/1995 | EP0640766A1 Internal gear pump |
| 03/01/1995 | EP0640184A1 A rotary machine for delivering liquids or gases |
| 02/22/1995 | EP0639155A1 Product ratio identification system for beverage dispenser |
| 02/21/1995 | US5391068 Gear pump |
| 02/21/1995 | CA2028064C Crescent gear pump with hypo cycloidal and epi cycloidal tooth shapes |
| 02/16/1995 | DE4428359A1 Hydraulic pump for a power-steering arrangement |
| 02/16/1995 | DE4327106A1 Vane pump |
| 02/15/1995 | EP0638144A1 Gear machine. |
| 02/14/1995 | US5388974 Gear pump |
| 02/09/1995 | DE4326098A1 Hydrostatic machine |
| 02/02/1995 | WO1995003501A1 Torsional vibration damper |
| 02/01/1995 | EP0636790A2 Gear pump |
| 02/01/1995 | EP0636203A1 Variable displacement pump |
| 02/01/1995 | EP0583262B1 Device and process using a worm conveyor for separating materials, in particular solid or coagulated materials, from liquids and/or for concentrating solutions |
| 01/26/1995 | WO1995002762A1 Rotator |
| 01/26/1995 | CA2166993A1 Rotator |
| 01/19/1995 | WO1995002125A1 Hydraulic gearwheel machine (pump or engine) in particular internal-gearwheel machine |
| 01/19/1995 | DE4322239A1 Internal gear machine (pump or motor) |
| 01/18/1995 | CN2187686Y Double-rotation differential screw pump |
| 01/17/1995 | US5381723 Hydraulic motor |
| 01/12/1995 | WO1995001259A1 Worm conveyor |
| 01/10/1995 | US5380178 Rotary device and method of assembly |
| 01/10/1995 | US5380169 Suction-controlled ring gear pump |
| 01/10/1995 | CA1333857C Gerotor pumps |
| 01/03/1995 | US5378130 Tandem type gear pump having an integral inner middle partition wall |
| 01/03/1995 | US5378112 Positive displacement, variable delivery pumping apparatus |
| 01/03/1995 | CA2029609C Pulse tuned optimized positive displacement porting |
| 12/27/1994 | US5375986 Oil pump for a closed type compressor |
| 12/27/1994 | CA2028949C Spur gear with epi-cycloidal and hypo-cycloidal tooth shapes |
| 12/22/1994 | DE4320489A1 Gear machine (pump or motor) |
| 12/21/1994 | CN1096570A Arc point engaged gear pump |
| 12/20/1994 | US5373923 Rotary motor with counterbalanced torque arm |
| 12/20/1994 | US5373819 Rotary piston machine and method of manufacturing piston |
| 12/14/1994 | EP0628726A2 Variable delivery vane pump |
| 12/14/1994 | CN2185337Y Eddy liquid pump |
| 12/13/1994 | CA1333456C Gerotor pumps |
| 12/08/1994 | WO1994028312A1 Rotary pump |
| 12/08/1994 | WO1994028311A1 High pressure toothead gear for fluid pump or fluid motor |
| 12/07/1994 | EP0627574A2 Torsional libration damper |
| 12/07/1994 | EP0627557A1 Helical gear fluid machine |
| 12/07/1994 | EP0627556A1 Carbide or boride coated rotor for a positive displacement motor or pump |
| 12/06/1994 | US5370514 Rotary pump with shaft/rotor connection |
| 12/06/1994 | US5370508 Positive-displacement machine having orbital motion |
| 12/01/1994 | DE4413940A1 Sludge pump |
| 12/01/1994 | DE4317645A1 Regelbare Zahnradpumpe Adjustable gear pump |
| 11/30/1994 | CN2184106Y High-ejection and low-noise paddle pump |
| 11/29/1994 | US5368629 Use in automatic transmissions of automobiles, dimensional accuracy |
| 11/29/1994 | US5368455 Gear-type machine with flattened cycloidal tooth shapes |
| 11/28/1994 | CA2124415A1 Helical gear fluid machine |
| 11/24/1994 | WO1994027049A1 Pumping process for operating a multi-phase screw pump and pump |
| 11/24/1994 | DE4338712C1 Spiral pump for mortar |
| 11/23/1994 | EP0625641A2 Use of stellite to prevent silver plateout |
| 11/22/1994 | US5366355 Positive displacement pump |
| 11/22/1994 | US5366354 Variable fluid volume vane pump arrangement |
| 11/15/1994 | US5364246 Aggregate for feeding fuel from supply tank to internal combustion engine of motor vehicle |
| 11/10/1994 | WO1994025758A1 Screw pump |
| 11/10/1994 | DE4410270A1 Filling, fluid-transport and pumping device |
| 11/10/1994 | DE4315432A1 Unit for delivering fuel from a fuel tank to the internal combustion engine of a motor vehicle |
| 11/10/1994 | DE4314500A1 Stator for eccentric spiral pumps |
| 11/09/1994 | CN2182287Y Multi-function rolling pump |
| 11/08/1994 | US5362220 Rotor-type oil pump |
| 11/02/1994 | CN2181582Y High pressure corrosion-resistant gear pump |
| 11/01/1994 | US5361210 Current control for electric power steering apparatus motor |
| 11/01/1994 | US5360325 Gear pump with reduced fluid-borne noise |
| 11/01/1994 | US5359771 Process for the manufacture of a gear wheel in an internal greared |
| 10/26/1994 | EP0620896A1 Water turbines or pumps. |
| 10/26/1994 | CN1094134A Rotary-vane pump with improved discharge rate control means |
| 10/25/1994 | US5358393 Internal axis single-rotation machine |
| 10/25/1994 | US5358390 Eccentric screw pump |
| 10/20/1994 | DE4312123A1 Stator for eccentric worm screw pumps |
| 10/19/1994 | CN2179920Y Thick oil pump with inside engaged gear |
| 10/19/1994 | CN2179919Y Internal-engagement gear pump for thick oil |
| 10/19/1994 | CN1026256C Power transmission |