Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Excess-flow valves

CPC: Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)

Full titles differ between systems:

IPC:

Safety valves; Equalising valves > Excess-flow valves

CPC:

Safety valves; Equalising valves, > Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

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F16K 17/205 CPC only CPC only
F16K 17/22 actuated by the difference of pressure between two places in the flow line IPC+CPC Available in IPC and CPC
F16K 17/34 in which the flow-energy of the flowing medium actuates the closing mechanism IPC+CPC Available in IPC and CPC

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

Class F16,2013–2023, worldwide · Source: EPO PATSTAT