4. Valves and valve actuation
  5. Biased trip
  6. Electrical trip actuation

Shui-Ching Chen

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Electric driving device for a valve

Valves and valve actuation – Electrically actuated valve – With nonelectrical actuator
Reexamination Certificate

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Position restoring apparatus for an open and close device

Valves and valve actuation – Biased trip – Electrical trip actuation
Reexamination Certificate

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Position restoring apparatus for an open and close device

Valves and valve actuation – Biased trip – Electrical trip actuation
Reexamination Certificate

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Position return device for an open and close apparatus

Valves and valve actuation – Biased trip – Electrical trip actuation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2385994

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