| More topics under "F03C - Positive-displacement engines driven by liquids" (6,190) |
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| F03C 1 - Reciprocating-piston liquid engines (2,799) |
| F03C 2 - Rotary-piston engines (2,448) |
| F03C 4 - Oscillating-piston engines (772) |
| F03C 7 - Engines of flexible-wall type (48) |
| F03C 99 - Subject matter not provided for in other groups of this subclass (123) |
| Patents for F03C - Positive-displacement engines driven by liquids (4) | |
|---|---|
| 06/2010 | |
| 06/10/2010 | DE19816452B4 Kolben für einen Hydraulikmotor Piston for a hydraulic motor |
| 11/1999 | |
| 11/09/1999 | US5979295 Hydraulic motor piston |
| 10/1998 | |
| 10/15/1998 | DE19816452A1 Piston for radial hydraulic motor |
| 03/1984 | |
| 03/06/1984 | US4435130 Hydraulic planetary piston engine having free wheeling valve |