4. Electricity: electrical systems and devices
  5. Housing or mounting assemblies with diverse electrical...
  6. For electronic systems and devices

Ching-Bai Hwang

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Centrifugal fan

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having tangential inlet or outlet
Reexamination Certificate

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Centrifugal fan and impeller thereof

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having tangential inlet or outlet
Reexamination Certificate

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Clip for mounting heat sink to circuit board

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate

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Cooling fan having protrusion at air outlet thereof

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate
Reexamination Certificate

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Fan impeller

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

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Profile ID: LFUS-PAI-P-2154552

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