4. Wells
  5. Processes
  6. With indicating, testing, measuring or locating

John R. Lovell

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Air mask with seal

Surgery – Respiratory method or device – Face mask covering a breathing passage
Reexamination Certificate

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Aligning inductive couplers in a well

Wells – With electrical means
Reexamination Certificate

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Apparatus and methods for measurement of solids in a wellbore

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Communicating measurement data from a well

Wells – Submerged well – Testing
Reexamination Certificate

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Depth control in coiled tubing operations

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2295704

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