Patents by Inventor David L. Lubkeman

David L. Lubkeman 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).

  • Patent number: 7751166
    Abstract: A method and apparatus for restoring power to loads connected to a feeder powered by a power source. The feeder is provided with a plurality of switching devices and a master electronic device which is in operative communication with the switching devices and has a plurality of power restoration plans stored therein. Upon occurrence of a fault in a zone of the feeder, the identity of the switching device which is closest to and upstream from the faulted zone relative to the power source is used in order to select a power restoration plan and restore power to some or all the loads connected to non-faulted zones of the feeder from one or more additional feeders.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: July 6, 2010
    Assignee: ABB Technology AG
    Inventors: James D. Stoupis, Donato Colonna, David L. Lubkeman, Jaichander K. Vellore, Robert E. Goodin, Timothy S Fahey, Varagur Ramanan
  • Publication number: 20080225452
    Abstract: A method and apparatus for restoring power to loads connected to a feeder powered by a power source. The feeder is provided with a plurality of switching devices and a master electronic device which is in operative communication with the switching devices and has a plurality of power restoration plans stored therein. Upon occurrence of a fault in a zone of the feeder, the identity of the switching device which is closest to and upstream from the faulted zone relative to the power source is used in order to select a power restoration plan and restore power to some or all the loads connected to non-faulted zones of the feeder from one or more additional feeders.
    Type: Application
    Filed: March 16, 2007
    Publication date: September 18, 2008
    Inventors: James D. Stoupis, Donato Colonna, David L. Lubkeman, Jaichander K. Vellore, Robert E. Goodin, Timothy S. Fahey, Varagur Ramanan