4. Pipe joints or couplings
  5. Nonmetal to metal
  6. Internal member

Michael Trede

Inventor

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Coupling

Pipe joints or couplings – Essential catch
Reexamination Certificate

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Coupling

Pipe joints or couplings – Essential catch – Leaf spring
Reexamination Certificate

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Detachable rapid-action coupling device

Pipe joints or couplings – Essential catch
Reexamination Certificate

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Device for sealingly linking two end pieces

Pipe joints or couplings – Convertible
Reexamination Certificate

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Hose connector

Pipe joints or couplings – Nonmetal to metal – Internal member
Patent

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Profile ID: LFUS-PAI-P-1384982

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