Patents by Inventor Nauman ZAFFAR

Nauman ZAFFAR 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).

  • High power density power converter and uninterruptible power supply circuit and methods
    Patent number: 11381159
    Abstract: The present disclosure provides a high-power-density power converter topology with a common neutral between its input and output AC ports while having a single DC bus. The topology may also be embodied as an online uninterruptible power supply (UPS). The presently-disclosed topology enables high power density by utilizing half-bridge switch structures suitable for MHz-frequency operation.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: July 5, 2022
    Assignees: Cornell University, The Regents of the University of Colorado, a body corporate
    Inventors: Khurram Afridi, Nauman Zaffar, Danish Shahzad
  • HIGH POWER DENSITY POWER CONVERTER AND UNINTERRUPTIBLE POWER SUPPLY CIRCUIT AND METHODS
    Publication number: 20210194356
    Abstract: The present disclosure provides a high-power-density power converter topology with a common neutral between its input and output AC ports while having a single DC bus. The topology may also be embodied as an online uninterruptible power supply (UPS). The presently-disclosed topology enables high power density by utilizing half-bridge switch structures suitable for MHz-frequency operation.
    Type: Application
    Filed: September 6, 2019
    Publication date: June 24, 2021
    Inventors: Khurram AFRIDI, Nauman ZAFFAR, Danish SHAHZAD