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

Lance J. Evens

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Air flapper valve assembly

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

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Apparatus and method for furnace combustion control

Furnaces – With control means responsive to a sensed condition – Feed control
Patent

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Crimped joint design for clamshell heat exchanger

Heat exchange – Conduit within – or conforming to – panel or wall structure – Opposed plates or shells
Patent

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Furnace damper means

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

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Heating efficiency and noise reduction enclosure

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

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Profile ID: LFUS-PAI-P-92926

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