4. Pipe joints or couplings
  5. With fluid pressure seal
  6. Expansible internal sleeve-type gasket

Henry E. Topf, Jr.

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Flow conduit for traversing a traffic way

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – With protection or indication of pipe or trench
Patent

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Internal conduit sealing installation

Pipe joints or couplings – Packed – Sleeve
Reexamination Certificate

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Internal conduit sealing member and band

Pipe joints or couplings – Flexible joint – rigid members – Resilient sleeve type
Reexamination Certificate

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Internal conduit sealing member and band

Pipe joints or couplings – With fluid pressure seal – Expansible internal sleeve-type gasket
Patent

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Joint sealing method

Plastic and nonmetallic article shaping or treating: processes – Forming structural installations in situ – Arched – domed – or vertical-cylindrical structure
Patent

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Profile ID: LFUS-PAI-P-349923

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