4. Wells
  5. Processes

Richard Keatch

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Hydrocarbon recovery techniques

Mineral oils: processes and products – Miscellaneous
Reexamination Certificate

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Method for dissolving oilfield scale

Cleaning and liquid contact with solids – Processes – Using sequentially applied treating agents
Reexamination Certificate

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Method for preventing or inhibiting metal deposition

Wells – Processes
Patent

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Method for removing metal contaminants

Electrolysis: processes – compositions used therein – and methods – Electrolytic material treatment – Metal or metal alloy
Patent

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Moon-phase dial mechanism

Horology: time measuring systems or devices – Astronomical – With sun – earth – and moon display
Reexamination Certificate

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Profile ID: LFUS-PAI-P-686944

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