4. Measuring and testing
  5. Specific gravity or density of liquid or solid
  6. Multiple floats of graduated density

Sondex Limited

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Centralizer for wireline tools

Wells – Guide for device or conduit – For a wireline operation
Reexamination Certificate

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Fluid density measurement device

Measuring and testing – Specific gravity or density of liquid or solid – Multiple floats of graduated density
Reexamination Certificate

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Logging sondes for use in boreholes

Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium
Reexamination Certificate

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Shock absorber

Wells – Conduit wall or specific conduit end structure
Reexamination Certificate

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Tubular cutting tool

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2553146

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