4. Heat exchange
  5. Movable heating or cooling surface
  6. Rotary drum

Vern C. Johnson

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Front surface grid for thermostat subbase

Electricity: electrothermally or thermally actuated switches – With separate distinct diverse art-type switching device
Patent

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Heating and cooling thermostat with changeover switching operate

Heat exchange – Movable heating or cooling surface – Rotary drum
Patent

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Thermostat having heat anticipation

Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – With bimetallic elements
Patent

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Profile ID: LFUS-PAI-P-511557

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