4. Measuring and testing
  5. Volume or rate of flow
  6. Thermal type

Charles F. Drexel

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Adjustable laminar flow bypass

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

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Energy efficient furnace with movable end wall

Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent

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Flow control valve assembly for mass flow controller

Valves and valve actuation – Hermetic flexible wall seal for actuator – Diaphragm
Patent

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Flow control valve assembly minimizing generation and entrapment

Valves and valve actuation – Electrically actuated valve – With means to bias valve open
Patent

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Flow sensor

Measuring and testing – Volume or rate of flow – Thermal type
Patent

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Profile ID: LFUS-PAI-P-374295

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