4. Flexible or portable closure, partition, or panel
  5. Automatic control

Nailor-Hart Industries Inc.

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Air control damper assembly

Valves and valve actuation – Rotary valves – Ball valve
Patent

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Fire damper

Flexible or portable closure – partition – or panel – Automatic control
Patent

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Fluid flow sensor having multiplying effect

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

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Fusible link assembly

Stoves and furnaces – Dampers – Fusible release
Patent

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Profile ID: LFUS-PAI-P-822684

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