Patents by Inventor Ashraf W. Lotif

Ashraf W. Lotif 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).

  • Power Converter with Controller Operable in Selected Modes of Operation
    Publication number: 20110101933
    Abstract: A power converter and method of controlling the same for selected modes of operation. In one embodiment, the power converter includes a first power switch coupled to a source of electrical power and a second power switch coupled to the first power switch and to an output terminal of the power converter. The power converter also includes a controller configured to control an operation of the first and second power switches during selected modes of operation.
    Type: Application
    Filed: November 4, 2010
    Publication date: May 5, 2011
    Inventors: Douglas Dean Lopata, Ashraf W. Lotif