4. Heating
  5. Work chamber having heating means
  6. Combustion products heat work by contact

David A. Churchill

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Apparatus and method for the flow control of flue gas to combust

Heating – Work chamber having heating means – Combustion products heat work by contact
Patent

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Averaging pitot probe

Measuring and testing – Volume or rate of flow – Using differential pressure
Patent

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Control system for hydrokinetic brakes

Brakes – Internal-resistance motion retarder – Combined with surface-friction brake
Patent

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Data processing and recording apparatus

Boots – shoes – and leggings
Patent

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Flowmeter

Measuring and testing – Volume or rate of flow – Proportional
Patent

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Profile ID: LFUS-PAI-P-883213

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