Patents by Inventor David Nai-Zhi Cheung

David Nai-Zhi Cheung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230404320
    Abstract: Methods and systems for electrically powering liquid-contacting components of a beverage machine using a non-isolated power supply.
    Type: Application
    Filed: October 26, 2021
    Publication date: December 21, 2023
    Applicant: Keurig Green Mountain, Inc.
    Inventors: David Nai-Zhi Cheung, Shashank Shashikant Bakre