4. Stoves and furnaces
  5. Hot-air furnaces
  6. Liquid or gaseous fuel

Arthur C. W. Johnson

Inventor

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Burner unit

Combustion – With repair – assembly or disassembly adjunct
Patent

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Burner unit

Stoves and furnaces – Stoves – Heating
Patent

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Energy efficient heating system for greenhouses

Heating systems – Heated floor
Patent

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Energy efficient heating system for greenhouses

Heating systems – Miscellaneous – Special liquid
Patent

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High efficiency infrared radiant energy heating system and metho

Stoves and furnaces – Hot-air furnaces – Liquid or gaseous fuel
Patent

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Profile ID: LFUS-PAI-P-6950

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