4. Wells
  5. Expansible anchor or casing
  6. Spring set

George M. Raulins

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Apparatus for coupling multi-conduit drill pipes

Electrical connectors – Having retainer or passageway for fluent material – Fluent material transmission line
Patent

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Method and apparatus for gaging pipe threads

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Threaded fastener stress
Patent

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Motion compensator

Wells – With below and above ground modification – Eduction pump or plunger in well
Patent

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Pipe joint

Pipe joints or couplings – Particular interface – Tapered
Patent

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Pipe joint

Pipe joints or couplings – Packed – Supplemental packing socket
Patent

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Profile ID: LFUS-PAI-P-287034

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