| Patents for F01B 1 - Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (1,424) |
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| 09/07/1976 | US3978771 Mechanical piston retention for free wheeling |
| 08/31/1976 | US3977303 Engines and compressors |
| 08/24/1976 | US3975993 Piston-rod unit for hydraulic machines |
| 08/24/1976 | US3975988 Radial piston machine with pivoted connection between piston and piston shoes |
| 08/17/1976 | US3974744 Engines, or prime movers |
| 08/03/1976 | US3972268 Radial piston type pumps or motors |
| 07/27/1976 | US3971296 Pneumatic actuators |
| 07/13/1976 | US3968736 Radial fluid-pressure apparatus |
| 07/13/1976 | US3968734 Hydrostatic piston machine |
| 07/06/1976 | US3967540 Rotor, pistons, piston shoes and associated means in fluid handling devices |
| 06/22/1976 | US3964450 Rotary cam internal combustion radial engine |
| 05/11/1976 | US3955477 Hydrostatic piston machine having a guide for laterally guiding a cylinder block pintle |
| 04/20/1976 | US3951047 Radial piston machine with piston shoes |
| 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 |
| 04/13/1976 | US3949556 Modular engine assembly |
| 04/06/1976 | US3948230 Rotary engine provided with first and secondary rotatably mounted rotors |
| 04/06/1976 | US3948149 Piston machine construction |
| 03/23/1976 | US3945303 Hydrostatic piston machine |
| 03/16/1976 | US3943895 Barrel type internal combustion engine |
| 03/16/1976 | US3943826 Hydraulic motors and pumps |
| 03/09/1976 | US3942913 Rotating cylinder wheel and ball-piston wheel motor, generator, and pump assembly |
| 02/03/1976 | US3935794 Radial piston pump/motors |
| 01/13/1976 | US3931810 Rotary-piston internal combustion engine |