CPC Main Group
F03G 7/00 Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
15 direct subcodes
Child Classifications
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- F03G 7/04 using pressure differences or thermal differences occurring in nature (F03G7/06 takes precedence)
- F03G 7/06 using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like (using thermal expansion of non-vaporising liquids F01K)
- F03G 7/08 recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
- F03G 7/10 Alleged perpetua mobilia (using hydrostatic thrust F03B17/04)