4. Heat exchange
  5. Structural installation
  6. Related to wall, floor or ceiling structure of a chamber

Leo L. Tompkins

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High efficiency natural convection heating and cooling system fo

Heat exchange – Structural installation – Related to wall – floor or ceiling structure of a chamber
Patent

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Temperature control system utilizing naturally occurring energy

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

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Torque operated, variable diameter belt sheave or chain sprocket

Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent

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Profile ID: LFUS-PAI-P-1605665

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