4. Measuring and testing
  5. With fluid pressure
  6. Leakage

Howard L. Ledeen

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Hydraulic valve actuator

Power plants – Pressure fluid source and motor – Apparatus having means responsive to or ameliorating the...
Patent

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Linebreak detection system

Measuring and testing – With fluid pressure – Leakage
Patent

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Linebreak detection system

Measuring and testing – With fluid pressure – Leakage
Patent

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Low power valve actuator

Valves and valve actuation – Electrically actuated valve – Rotary electric actuator
Patent

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Selective mode handwheel valve operator

Machine element or mechanism – Alternate manual or power operators
Patent

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Profile ID: LFUS-PAI-P-539850

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