4. Wells
  5. Packers or plugs
  6. With central conduit and fluid port to space outside

Steven Rosenblatt

Attorney

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Cup seal expansion tool

Wells – Processes – Assembling well part
Reexamination Certificate

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Downhole fluid separation system

Wells – Packers or plugs – With central conduit and fluid port to space outside
Reexamination Certificate

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Erosion resistant aperture for a downhole valve or ported...

Wells – Conduit wall or specific conduit end structure – Corrosion prevention or deterring
Reexamination Certificate

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Erosion resistant aperture for a downhole valve or ported...

Wells – Conduit wall or specific conduit end structure – Corrosion prevention or deterring
Reexamination Certificate

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Latchable reaming bit

Boring or penetrating the earth – Bit or bit element – Bit with leading portion forming smaller diameter initial bore
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2806358

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