4. Hydraulic and earth engineering
  5. Subterranean or submarine pipe or cable laying, retrieving,...
  6. Submerging, raising, or manipulating line of pipe or cable...

Oil States Industries Inc.

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Ball sealer

Wells – Processes – Fluid flow causes pellet to block opening in wall of conduit
Patent

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Composite metal-to-metal seal having a relatively soft metal...

Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for a pipe – conduit – or cable
Reexamination Certificate

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High temperature flexible pipe joint

Pipe joints or couplings – Flexible joint – rigid members – Bellows
Reexamination Certificate

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Load measurement device

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specified electrical sensor or system
Reexamination Certificate

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Method and apparatus for automatic shutoff of a valve when a...

Fluid handling – Destructible or deformable element controlled – Destructible element
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1584700

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