4. Valves and valve actuation
  5. Electrically actuated valve
  6. Remote or follow-up control system for electrical actuator

Ludwig K. Holtermann

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Check valve

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

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Diaphragm valve

Valves and valve actuation – Electrically actuated valve – Including solenoid
Patent

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Fluid metering pump

Pumps – Motor driven – Fluid motor
Patent

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Heat flow probe

Measuring and testing – Volume or rate of flow – System
Patent

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Heat sensor

Measuring and testing – Gas analysis – Moisture content or vapor pressure
Patent

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Profile ID: LFUS-PAI-P-231805

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