Patents by Inventor Darning Ma

Darning Ma 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).

  • Apparatuses and methods for an alternating current to direct current converter
    Patent number: 11569753
    Abstract: A mode of a rectifier may be changed between at least fully passive and fully synchronous based upon direct current (DC) output by the rectifier and/or direct current voltage output by the rectifier. This extends the range of direct current output by the rectifier for a given range of DC voltage output by the rectifier.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: January 31, 2023
    Assignee: Honeywell Limited
    Inventors: Randy Fuller, Louis Cheng, Darning Ma