4. Stoves and furnaces
  5. Hot-air furnaces
  6. Feeding air

Leslie Bellaff

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Balancing air device for a heating unit

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

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Heat reclaimer

Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent

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Home heating system

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

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Profile ID: LFUS-PAI-P-1274642

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