of lift valves (for reducing the flow resistance of screw-spindle lift-valves F16K1/06)

Introduced: September 1968

Title

Titles differ between systems:

IPC: of lift valves

CPC: of lift valves (for reducing the flow resistance of screw-spindle lift-valves F16K1/06)

Full Title

Full titles differ between systems:

IPC:

Construction of housings; Use of materials therefor > of lift valves

CPC:

Construction of housing (methods for welding housings B23K); Use of materials therefor > of lift valves (for reducing the flow resistance of screw-spindle lift-valves F16K1/06)

Of 8 combined children, 0 exist in both systems.

8 codes are CPC-only extensions.

Child Classifications

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F16K 27/0209 +2 CPC CPC only CPC only
F16K 27/0236 CPC only CPC only
F16K 27/0245 CPC only CPC only
F16K 27/0254 CPC only CPC only
F16K 27/0263 CPC only CPC only
F16K 27/0272 CPC only CPC only
F16K 27/0281 CPC only CPC only
F16K 27/029 CPC only CPC only