4. Stoves and furnaces
  5. Heaters
  6. Surface

Lawrence W. Hallanger

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Flat plate solar energy collector

Stoves and furnaces – Heaters – Surface
Patent

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Gas vent system for operation in any arbitrary spatial orientati

Fluid handling – Control by change of position or inertia of system – Vent opening or closing on tipping container
Patent

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Profile ID: LFUS-PAI-P-1268931

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