4. Measuring and testing
  5. Volume or rate of flow
  6. By measuring tracer concentration

Duo Wang

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Method and apparatus for duct sealing using a clog-resistant...

Fluid sprinkling – spraying – and diffusing – With heating or cooling means for the system or system fluid
Reexamination Certificate

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Method and apparatus for duct sealing using a clog-resistant...

Coating processes – Interior of hollow article coating – Coating by vapor – gas – mist – or smoke
Reexamination Certificate

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Tracer airflow measurement system (TRAMS)

Measuring and testing – Volume or rate of flow – By measuring tracer concentration
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3052044

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