4. Refrigeration
  5. Using electrical or magnetic effect
  6. Thermoelectric; e.g., peltier effect

Frederick A. Weis

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Ice making machine

Refrigeration – With indicator or tester – Operatively correlated with automatic control
Patent

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Method and apparatus for preventing overheating of the superheat

Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent

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Solar collector panel

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

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Profile ID: LFUS-PAI-P-841899

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