| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
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| 01/18/1996 | DE4424610A1 Hydraulische Kolbenmaschine Hydraulic piston engine |
| 01/17/1996 | EP0692072A1 Pressure medium driven device performing linear motion |
| 01/17/1996 | EP0692071A1 Hydraulic drive system |
| 01/03/1996 | EP0576637B1 Piston motor with improved starting characteristics |
| 12/12/1995 | US5473894 Combination of two pressurized fluid motors |
| 12/06/1995 | EP0685647A2 Hydraulic radial piston motor with variable cylinder capacity |
| 12/06/1995 | EP0536267A4 Radial piston fluid machine and/or adjustable rotor |
| 11/23/1995 | WO1995031641A1 Radial-piston hydraulic motor and method for regulation of a radial-piston hydraulic motor |
| 11/02/1995 | EP0679228A1 Pressure-applying arrangement in a hydraulic axial piston machine. |
| 11/02/1995 | EP0679226A1 Hydraulic axial piston machine. |
| 11/02/1995 | EP0679225A1 Hydraulic piston machine. |
| 11/02/1995 | EP0679224A1 Hydraulic machine and method for assembling a piston and slider shoe unit. |
| 11/02/1995 | EP0599870B1 Hydrostatic axial piston motor for fitting in the hub of a driven wheel |
| 10/05/1995 | DE4439135A1 Piston for hydraulic pump or motor |
| 09/07/1995 | DE4407370A1 Control and monitoring of pressure for hydraulic motor used to hold workpiece in machine tool |
| 08/08/1995 | US5439356 Hydraulic motor and pump having hydraulic counter balancing means |
| 08/01/1995 | US5437338 Hydraulic drive unit for driving a drilling tool |
| 07/26/1995 | CN1029379C 平衡式行星齿轮泵或马达 Balanced type planetary gear pump or motor |
| 07/25/1995 | US5435135 Reversible pressurized fluid mechanism such as a motor or a pump and having at least two operating cylinder capacities |
| 07/11/1995 | US5431245 Hydrostatic axial piston motor for fitting in the hub of a driven wheel |
| 07/06/1995 | DE4441030A1 Time delay valve for hydraulic motor |
| 07/05/1995 | EP0661478A1 Speed change mechanism for swash plate type hydraulic motor |
| 06/15/1995 | WO1995016132A1 Hydraulic axial piston motor |
| 06/15/1995 | WO1995016131A1 Hydraulic axial piston motor |
| 06/15/1995 | WO1995016129A1 Hydraulic piston engine |
| 06/15/1995 | WO1995016128A1 Hydraulic piston engine |
| 06/08/1995 | DE4441375A1 Operation of hydraulic motor(s) |
| 05/04/1995 | DE4337508A1 Radialkolbenmotor als Einschubmotor Radial piston engine as a plug-engine |
| 05/03/1995 | EP0651159A1 Distribution unit for hydraulic radial piston motors |
| 04/18/1995 | US5406794 Dual variable displacement over-center hydraulic motor power drive unit |
| 03/07/1995 | US5395221 Carbide or boride coated rotor for a positive displacement motor or pump |
| 02/21/1995 | US5391123 Hydromechanical final drive |
| 02/21/1995 | US5391059 Radial piston motor or pump |
| 01/17/1995 | US5381724 Swash-plate, plunger-type hydraul pressure apparatus |
| 01/10/1995 | US5379678 Hydraulic drive |
| 01/04/1995 | CN1097044A Hydraulic motor |
| 01/03/1995 | US5377559 Radial piston fluid machine and/or adjustable rotor |
| 12/08/1994 | WO1994028317A1 Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same |
| 12/07/1994 | EP0627556A1 Carbide or boride coated rotor for a positive displacement motor or pump |
| 11/08/1994 | US5361584 Hydrostatic drive system |
| 11/02/1994 | CN1094483A AC hydraulic rotary machine |
| 10/27/1994 | WO1994023918A1 Hydrostatic-mechanical gear for driving a mixing drum |
| 10/19/1994 | EP0620358A1 Hydraulic motor |
| 10/19/1994 | CN1026256C Power transmission |
| 10/13/1994 | WO1994023198A1 Hydraulic drive system |
| 10/05/1994 | EP0564500B1 A radial piston motor or pump |
| 10/05/1994 | EP0561933B1 A radial piston motor or pump |
| 09/29/1994 | WO1994021915A1 Pressure medium driven device performing linear motion |
| 09/27/1994 | US5349895 Air motor control |
| 08/25/1994 | DE4405123A1 Pressure-fluid mechanism with sleeve-shaped contact pieces, such as, for example, a hydraulic motor or a hydraulic pump |
| 08/18/1994 | WO1994018451A1 Radial-piston hydraulic motor equipment |
| 08/17/1994 | EP0527967B1 Hydraulic drive device |
| 08/02/1994 | US5333705 Assembly of a hydraulic motor and brake |
| 07/21/1994 | WO1994016224A1 Hydraulic axial piston machine with an inclined plate |
| 07/21/1994 | WO1994016221A1 Pressure-applying arrangement in a hydraulic axial piston machine |
| 07/21/1994 | WO1994016219A1 Hydraulic axial piston machine |
| 07/21/1994 | WO1994016218A1 Hydraulic piston machine |
| 07/21/1994 | WO1994016217A1 Hydraulic machine and method for assembling a piston and slider shoe unit |
| 07/20/1994 | EP0607069A1 Hydraulic motor piston |
| 07/07/1994 | WO1994015097A1 Device for controlling pressure in cylinder chamber of hydraulic pump motor |
| 07/06/1994 | EP0524922B1 Synchronization mechanism for radial piston machine |
| 07/06/1994 | EP0389644B1 Variable capacitance, oblique spindle type hydraulique machine |
| 06/29/1994 | EP0604255A1 Hydraulic motor piston |
| 06/15/1994 | EP0601916A1 Hydraulic motor mit for driving a drilling tool |
| 06/08/1994 | EP0599870A1 Hydrostatic axial piston motor for fitting in the hub of a driven wheel. |
| 05/18/1994 | EP0597754A1 Rotary piston machine |
| 05/18/1994 | EP0305548B1 Variable-capacity hydraulic motor |
| 04/28/1994 | DE4335495A1 Gritter or sander vehicle hydraulic appts. control device - measures pressure and revs. rate of hydromotor and controls valve to provide correct pressure of fluid |
| 04/28/1994 | DE4235710A1 Hydromechanical dredger drive unit - has slow radial piston motor with rotating housing, and fast axial piston motor |
| 04/14/1994 | WO1994008139A1 Hydraulic pump/motor |
| 03/31/1994 | WO1994007028A1 Drive unit |
| 03/24/1994 | DE4235697A1 Hydromechanical drive set with incorporated epicyclic gear - which is mounted on journal, whose front side carries control face of hydraulic motor |
| 03/22/1994 | CA1327915C Positive displacement pump or motor utilizing a self-lubricated bearing |
| 03/17/1994 | DE4323036A1 Hydraulic, axial piston motor with inclined axis design - has control disc with aperture defining control edge on its cylindrically arcuated side |
| 03/15/1994 | CA1327741C Anti-leak seal for pump motor |
| 02/22/1994 | US5287794 Hydraulic motor with inlet fluid supplemented by fluid from contracting chamber |
| 02/16/1994 | CN1023825C Flexible piston engine |
| 01/18/1994 | US5279867 Subjecting gas medium to radiation; decomposition of compound or alloy at low temperature |
| 01/18/1994 | US5279208 Rotary reciprocating engine with synchronization mechanism |
| 01/12/1994 | EP0490894B1 Hydraulic motor or pump with constant clamping force between rotor and port plate |
| 01/12/1994 | EP0377047B1 Main bearing device for motor of bent axis type axial piston pump |
| 12/29/1993 | EP0448675B1 Hydraulic circuit for limiting the torque of a hydrostatic hydraulic motor connected in closed circuit to a hydraulic pump |
| 11/30/1993 | US5265331 Method of manufacturing a piston for an axial piston fluid translating device |
| 11/25/1993 | DE4216989A1 High torque engine system - uses several rotary piston cylinders rotated by shifting together steep threads |
| 11/16/1993 | US5261318 Pressure fluid mechanism provided with special balancing enclosures |
| 11/16/1993 | US5261311 Reciprocating hydraulic motor with a differential piston |
| 11/03/1993 | EP0567736A1 Hydrostatic motor with a braking device |
| 11/03/1993 | EP0542759A4 A multi-chamber rotary lobe fluid machine with positive sliding seals |
| 10/20/1993 | EP0565741A1 Hydraulic rotary cylinder |
| 10/14/1993 | DE4311501A1 Multispeed hydraulic drive system - consists of radial and axial reciprocating machines connected by distributor disc |
| 10/13/1993 | EP0564500A1 A radial piston motor or pump. |
| 10/05/1993 | US5249507 Swash-plate plunger type hydraulic apparatus |
| 09/30/1993 | DE4213078A1 Hydraulic motor with double-acting adjusting ram - has damping valve connected to pipe between ram and pressure-regulator |
| 09/29/1993 | EP0561933A1 A radial piston motor or pump. |
| 09/15/1993 | CN1022127C Low-speed, high-torque rotor hydraulic motor |
| 09/02/1993 | DE4206086A1 Modular power transmission system - is composed of electric or hydraulic motor with an epicyclic gear attached by housing. |
| 09/01/1993 | EP0557316A1 A method in a radial piston eccentric motor/pump and a corresponding radial piston eccentric motor/pump |
| 08/18/1993 | EP0555374A1 Two speed gerotor motor with centrally located valve and commutator |
| 08/10/1993 | US5234321 Variable displacement hydrostatic pump and neutral return mechanism therefor |
| 07/20/1993 | US5228291 Motor with rotating mass induced vibration driving means |