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

Kevin J. Landhuis

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Coupling member with a torque resistive-stop

Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent

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Decoupled check-relief valve

Fluid handling – Systems – With pump
Reissue Patent

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Decoupled check-relief valve

Fluid handling – Systems – With pump
Reexamination Certificate

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Dual check-relief valve

Power plants – Pressure fluid source and motor – Condition responsive control of motive fluid flow
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1771985

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