4. Rotary kinetic fluid motors or pumps
  5. With sound or vibratory wave absorbing or preventing means...

Ming-Shan Jeng

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Airflow feedback control method and apparatus for fan filter...

Gas separation: processes – With control responsive to sensed condition – Pressure sensed
Reexamination Certificate

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Fan filter unit with sound-absorbing wedges

Rotary kinetic fluid motors or pumps – With sound or vibratory wave absorbing or preventing means...
Reexamination Certificate

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Flexible power supply

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for producing – recycling – or treating...
Reexamination Certificate

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Hydrogen supply device

Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen
Reexamination Certificate

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Low-noise fan-filter unit

Rotary kinetic fluid motors or pumps – With sound or vibratory wave absorbing or preventing means...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2067998

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