4. Pipe joints or couplings
  5. With fluid pressure seal
  6. Flexible lip

National Coupling Company

Corporate Assignee

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Corporate Assignee

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Male coupling member with improved flow ports

Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Reexamination Certificate

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Seal retainer for undersea hydraulic coupling

Pipe joints or couplings – With fluid pressure seal – Flexible lip
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2681075

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