4. Valves and valve actuation
  5. Heat or buoyancy motor actuated

Niels P. Thorsen

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Control circuit for a refrigerating device

Refrigeration – Automatic control – By accumulation on freezing surface – e.g. – ice
Patent

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Defroster for a refrigerator

Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate
Patent

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Pressure responsive electric switch, particularly an evaporator

Electricity: circuit makers and breakers – Fluid pressure – Flow-responsive type
Patent

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Pressure-dependent electric switching device

Electricity: circuit makers and breakers – Fluid pressure – Flow-responsive type
Patent

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Snap switch

Electricity: circuit makers and breakers – Special application – Liquid or moisture responsive
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Profile ID: LFUS-PAI-P-654624

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