4. Pipes and tubular conduits
  5. With closures and plugs
  6. Laterally insertable

George W. Harrison

Inventor

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Across the line plugging apparatus and method

Fluid handling – Processes – Cleaning – repairing – or assembling
Patent

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Apparatus for closing side openings into pipelines

Pipes and tubular conduits – With closures and plugs – Laterally insertable
Patent

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Expansion joint and seal for sewer pipe

Pipe joints or couplings – Flexible joint – rigid members – Concrete – clay – or masonry pipe
Patent

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Leak repair clamp

Pipe joints or couplings – Repair
Patent

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Leak repair clamp

Pipe joints or couplings – Liquid seal
Patent

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Profile ID: LFUS-PAI-P-392239

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