| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
|---|
| 01/31/1978 | US4070948 Pneumatic impact devices |
| 01/17/1978 | US4068560 Fluid-powered stepping motor |
| 01/03/1978 | US4066003 Hydraulic engine |
| 12/13/1977 | US4062219 Hydraulic-frictional system for rotating the arm of a forging manipulator |
| 11/29/1977 | US4060342 Vane assembly for rotary compressor |
| 11/29/1977 | US4060022 Hydraulic motor having positive locking means |
| 11/22/1977 | US4059165 Versatile fluid motor and pump |
| 11/01/1977 | US4056123 Hydraulic oscillator |
| 11/01/1977 | US4056042 Rotary hydrostatic piston machine with eccentrically movable guide means |
| 09/20/1977 | US4049098 Hydraulic motor with a mechanical brake device |
| 09/20/1977 | US4048907 Radial piston pump or motor with unrestricted inlet means |
| 09/20/1977 | US4048903 Rotary hydraulic machine having a valve responsive to rotor bore pressure and stator port pressure |
| 09/13/1977 | US4047850 Proportioning pump with pneumatic distributor |
| 09/13/1977 | US4047384 Pump jack device |
| 08/30/1977 | US4044654 Hydraulic engine |
| 07/26/1977 | US4037521 Noise reduction |
| 07/12/1977 | US4034817 Impact tool |
| 07/12/1977 | US4034653 Axial piston motor |
| 07/12/1977 | US4034648 Reciprocating cylinder assembly for self-propelled sprinkler systems |
| 07/05/1977 | US4033237 Hydrostatic piston machine having small clearances between bearing surfaces |
| 06/28/1977 | US4031812 Hydraulic vibrator for actuator drive |
| 06/21/1977 | US4030857 Paint pump for airless spray guns |
| 06/21/1977 | US4030405 Radial piston machine |
| 06/14/1977 | US4029367 Bearing supporting a swashplate of a hydraulic axial cylinder machine |
| 06/14/1977 | US4028995 Hydraulic striking apparatus |
| 05/31/1977 | US4026206 Pressing device working in continuous operation |
| 05/31/1977 | US4026193 Hydraulically driven hammer system |
| 05/24/1977 | US4024799 Axial-piston machine with improved bearing arrangement |
| 05/10/1977 | US4022108 Hydraulically operated percussion device |
| 05/03/1977 | US4020746 Hydraulically operable linear motor |
| 05/03/1977 | US4020744 Control of hydraulically powered equipment |
| 04/26/1977 | US4019589 Pulse motor nut runner |
| 04/19/1977 | US4018139 Rotary hydraulic machine |
| 04/19/1977 | US4018138 Radial piston pump/motors |
| 04/19/1977 | US4018135 Hydraulically powered impact device |
| 03/22/1977 | US4012994 Axial bearing device for the cylinder barrel in an axial piston machine |
| 03/01/1977 | US4009643 Hydraulic motor for rotating the bucket of an excavating machine |
| 02/15/1977 | US4007898 Torque collar for high torque motors |
| 02/15/1977 | US4007662 Axial piston machine of oblique-axle construction with tiltable cylinder drum |
| 02/08/1977 | US4006783 Hydraulic operated rock drilling apparatus |
| 02/08/1977 | US4006668 Hydrostatic piston machine having a cylindrical mounting pin |
| 02/08/1977 | US4006665 Percussion tool |
| 01/25/1977 | US4004498 Hydraulic motor |
| 01/11/1977 | US4002184 Water flow actuated air charging device |
| 12/28/1976 | US3999466 Hydrostatic pump/motor unit |
| 12/21/1976 | US3998133 Radial type hydraulic pump motor |
| 12/21/1976 | US3998130 Pressure driven motor |
| 12/07/1976 | US3995703 Electrohydraulically operated portable power tool |
| 11/16/1976 | US3991655 Hydroacoustic apparatus and valving mechanisms for use therein |
| 10/12/1976 | US3985065 Radial piston machine |
| 10/12/1976 | US3984904 Internal retaining tabs for a filled piston |
| 09/28/1976 | US3982861 Rotor construction for slant axis rotary mechanisms |
| 09/28/1976 | US3982470 Control system for axial piston fluid energy translating device |
| 09/21/1976 | US3981640 Slant axis rotary mechanism |
| 09/14/1976 | US3980003 Variable hydrostatic bearing between barrel and head of axial piston units |
| 09/07/1976 | US3978772 Piston shoe for fluid pressure pump motor |
| 08/31/1976 | US3977302 Fluid motor with releasable coupling |
| 08/24/1976 | US3975988 Radial piston machine with pivoted connection between piston and piston shoes |
| 08/17/1976 | US3975124 Gear motor with valve controlled pressure biased end seals for facilitatng starting of the gear motor |
| 08/10/1976 | US3973471 Motors |
| 08/10/1976 | US3973469 Floating chamber machine |
| 08/03/1976 | US3972659 Planetary gear motor having fixed and rotating sun gears |
| 07/20/1976 | US3969987 Hydroacoustic apparatus and valving mechanisms for use therein |
| 07/20/1976 | US3969984 Hydroacoustic apparatus and valving mechanisms for use therein |
| 07/13/1976 | US3968736 Radial fluid-pressure apparatus |
| 07/13/1976 | US3968734 Hydrostatic piston machine |
| 07/13/1976 | US3968706 Two-speed motor control for dual hydrostatic transmissions |
| 06/29/1976 | US3965800 Water powered drive for automatic controllers |
| 06/22/1976 | US3964450 Rotary cam internal combustion radial engine |
| 06/15/1976 | US3963386 Rotary motor with inflatable expansion member |
| 06/08/1976 | US3961563 Axial piston machine of the type having a tiltable cylinder block |
| 06/08/1976 | US3961558 Positive-displacement hydraulic motor |
| 06/01/1976 | US3960470 Hydraulic motor brake |
| 06/01/1976 | US3960061 Mounting arrangement for a hydraulic motor |
| 06/01/1976 | US3960060 Pressure responsive control body arrangement |
| 06/01/1976 | US3960057 Hydraulic pump or motor |
| 05/18/1976 | US3957404 Vanes for fluid power converter |
| 05/11/1976 | US3955477 Hydrostatic piston machine having a guide for laterally guiding a cylinder block pintle |
| 04/20/1976 | US3951575 Controlled output gear pump and motor |
| 04/20/1976 | US3951097 Hydraulic motor or pump |
| 04/20/1976 | US3951047 Radial piston machine with piston shoes |
| 04/20/1976 | US3951044 Rotary radial piston machines with fluidflow supply in substantial axial direction |
| 04/13/1976 | US3949648 Rotary radial piston machine with radial extension on the piston shoe ends |
| 04/13/1976 | US3949647 Hydraulic mechanism, such as a motor or a pump, having radial pistons adapted to perform a plurality of strokes per revolution |
| 04/06/1976 | US3948149 Piston machine construction |
| 03/23/1976 | US3945206 Control system for hydraulic presses comprising a plurality of press rams |
| 03/16/1976 | US3943828 Rotary machines |
| 03/16/1976 | US3943827 Pumps for motor fluid mechanisms |
| 03/09/1976 | US3942414 Hydraulic device |
| 03/02/1976 | US3940937 Intensifier |
| 02/24/1976 | US3939755 Linear hydraulic motor |
| 02/24/1976 | US3939717 Power transmitting mechanism for reciprocating engines or pumps |
| 02/17/1976 | US3938426 Water powered drive for automatic controllers |
| 02/17/1976 | US3938401 Two-speed motor control for dual hydrostatic transmissions |
| 02/10/1976 | US3937130 Low friction seal assembly |
| 02/03/1976 | US3935794 Radial piston pump/motors |
| 01/20/1976 | US3933082 Axial piston type machine |
| 01/13/1976 | US3931810 Rotary-piston internal combustion engine |
| 01/06/1976 | US3930435 Hydraulically powered actuator |