for decreasing pressure , the throttle being incorporated in the closure member

Introduced: September 1968

Title

Titles differ between systems:

IPC: for decreasing pressure, the throttle being incorporated in the closure member

CPC: for decreasing pressure , the throttle being incorporated in the closure member

Full titles differ between systems:

IPC:

Means in valves for absorbing fluid energy > for decreasing pressure, the throttle being incorporated in the closure member

CPC:

Means in valves for absorbing fluid energy (for pipes F16L55/00) > for decreasing pressure , the throttle being incorporated in the closure member

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

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F16K 47/045 CPC only CPC only
F16K 47/06 with a throttle in the form of a helical channel IPC+CPC Available in IPC and CPC

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

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