4. Measuring and testing
  5. Liquid level or depth gauge
  6. Float

William C. Herben

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Bottomhole assembly orienting sub

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Patent

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Electrically actuated disconnect apparatus and method

Wells – Processes – Disassembling well part
Patent

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Expandable eccentric reamer and method of use in drilling

Boring or penetrating the earth – Processes
Reexamination Certificate

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Guided earth boring tool

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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Guided earth boring tool

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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Profile ID: LFUS-PAI-P-911689

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