4. Boring or penetrating the earth
  5. Boring without earth removal
  6. Drive point detached from shaft to form cased bore or with...

Zakiya Walker

Examiner

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Active heating of thermally insulated flowlines

Wells – Processes – Heating – cooling or insulating
Reexamination Certificate

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Actuator for well-head valve or other similar applications...

Wells – With electrical means – Electrical motor
Reexamination Certificate

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Anchoring device removal method and apparatus

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Anchoring tool

Wells – Expansible anchor or casing – Liner hanger
Reexamination Certificate

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Annular flow restrictor for electrical submersible pump

Wells – Processes – Producing the well
Reexamination Certificate

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Profile ID: LFUS-PAI-P-191448

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