Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for

Introduced: September 1968

CPC subdivides this area 4x more granularly than IPC with 11 additional codes.

11 codes are CPC-only extensions.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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F03G 2007/007 2nd only CPC only CPC only
F03G 7/002 CPC only CPC only
F03G 7/003 CPC only CPC only
F03G 7/004 CPC only CPC only
F03G 7/005 CPC only CPC only
F03G 7/008 +6 CPC CPC only CPC only
F03G 7/025 +2 CPC CPC only CPC only
F03G 7/027 CPC only CPC only
F03G 7/028 CPC only CPC only
F03G 7/029 CPC only CPC only
F03G 7/04 using pressure differences or thermal differences occurring in nature (F03G7/06 takes precedence) +2 CPC IPC+CPC Available in IPC and CPC
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) +7 CPC IPC+CPC Available in IPC and CPC
F03G 7/08 recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine +1 CPC IPC+CPC Available in IPC and CPC
F03G 7/092 CPC only CPC only
F03G 7/10 Alleged perpetua mobilia (using hydrostatic thrust F03B17/04) +7 CPC IPC+CPC Available in IPC and CPC