4. Pipe joints or couplings
  5. With means blocking release of holding means

Frank L. Foster

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Check valve

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator
Patent

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Coupling assembly

Fluid handling – Systems – Flow path with serial valves and/or closures
Patent

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Self-locking, selectively releasable mechanism for locking struc

Pipe joints or couplings – With means blocking release of holding means
Patent

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Profile ID: LFUS-PAI-P-594237

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