4. Fluid reaction surfaces (i.e., impellers)
  5. Lashing between working members or external bracing
  6. Connecting adjacent work surfaces

Yung Chen

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Break resistant joint

Gas and liquid contact apparatus – Fluid distribution – Pumping
Reexamination Certificate

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Curved fan blade

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent

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Curved fan blade

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent

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Desk fan

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent

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Desk fan with a folding stand

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent

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Profile ID: LFUS-PAI-P-903636

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