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

William E. Topolcai, Jr.

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Apparatus for making ice blocks

Refrigeration – Automatic control – By congealed removable product condition
Patent

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Control valve assembly

Automatic temperature and humidity regulation – Thermostatic – In fluid controlled
Patent

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Franklin stove attachments

Stoves and furnaces – Hot-air furnaces – Compressed air
Patent

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Noiseless air flow device and method

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Pressurized signal control apparatus

Automatic temperature and humidity regulation – Ventilator type
Patent

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Profile ID: LFUS-PAI-P-215916

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