F02D 31/001 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F02D 31/001

Full Title

Use of speed-sensing governors to control combustion engines, not otherwise provided for

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.