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DIFF Subgroup
E02B 9/02

Water-ways

Introduced: September 1968

Full Title

Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same > Water-ways

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E02B 9/04 Free-flow canals or flumes; Intakes (gratings or screens therefor E02B5/08) IPC+CPC Available in IPC and CPC
  • E02B 9/06 Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates (driving inclined galleries E21D9/02; valves in general F16K; conduits in general F16L) IPC+CPC Available in IPC and CPC