4. Wells
  5. Expansible anchor or casing
  6. Liner hanger

David H. Theiss

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Apparatus and method for retarding translation between two...

Brakes – Rod
Reexamination Certificate

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Drill-through spool body sleeve assembly

Wells – Submerged well – Testing
Reexamination Certificate

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Hanger and seal assembly

Wells – Packers or plugs – With detachable setting means
Patent

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Method of and apparatus for protecting downhole equipment

Wells – Processes – Placing or shifting well part
Patent

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Non-intrusive pressure gage

X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate

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Profile ID: LFUS-PAI-P-613075

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