4. Electricity: power supply or regulation systems
  5. Output level responsive
  6. Using a three or more terminal semiconductive device as the...

F. Williams Sarles

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Downhole telemetry and control system

Communications: electrical – Wellbore telemetering or control – Including specified power transmission feature or source
Reexamination Certificate

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Downhole telemetry and control system using orthogonal...

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

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Hiccup-mode current protection circuit for switching regulator

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Reexamination Certificate

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Reprogrammable downhole telemetry and control system

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through drill string or casing
Reexamination Certificate

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Voltage threshold circuit for power conditioner

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2480586

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