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Hsin-mao Hsieh

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Details Hsin-mao Hsieh Hsin-mao Hsieh

: Bearings
: Rotary bearing
: Plain bearing

: Inventor
: active

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Balance adjusted fan

Fluid reaction surfaces (i.e. – impellers) – With weight-balancing means

Reexamination Certificate

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Cooling fan

Pumps – Motor driven – Motor within rotary pumping member

Reexamination Certificate

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Cooling fan of a heat sink assembly

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Heat sink

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Cooling fan with an oil-retaining bushing

Pumps – Motor driven – Electric or magnetic motor

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DC brushless fan motor driving circuit

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...

Reexamination Certificate

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Profile ID: LFUS-PAI-P-121865

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