4. Electrical transmission or interconnection systems
  5. Switching systems
  6. Condition responsive

William B. Hamelink

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Condition control system utilizing digital logic

Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent

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Flame signal stabilization circuit

Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor
Patent

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Fuel burner control device providing safely ignited burner

Combustion – Timer – programmer – retarder or condition responsive control – By sensing of gas leakage – flashback or escaped flame
Patent

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Fuel burner safe starting system

Combustion – Timer – programmer – retarder or condition responsive control – Sensor of first burner controls second burner – e.g. – pilot...
Patent

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Resistive fluid detecting means

Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent

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Profile ID: LFUS-PAI-P-881823

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