Patents by Inventor Greg V. Campbell

Greg V. Campbell 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: 6667438
    Abstract: A pad-mounted transformer enclosure may have a wiring compartment utilizing multiple hinge points on each side panel with an additional set of hinges located at the back of the compartment area to allow the doors to be opened as normal or to allow the sides to be also opened, allowing the wiring compartment to be totally exposed on all three sides. The tank of the transformer enclosure may have a cover secured in a manner that allows the cover to be removed with simple hand tools while preventing unauthorized removal thereof, that increases tank top structural rigidity, and that does not trap water on the tank cover.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: December 23, 2003
    Assignee: Ermco
    Inventors: Jeffrey A. Schneider, Rad J. Hunsley, Greg V. Campbell
  • Publication number: 20030102141
    Abstract: A pad-mounted transformer enclosure may have a wiring compartment utilizing multiple hinge points on each side panel with an additional set of hinges located at the back of the compartment area to allow the doors to be opened as normal or to allow the sides to be also opened, allowing the wiring compartment to be totally exposed on all three sides. The tank of the transformer enclosure may have a cover secured in a manner that allows the cover to be removed with simple hand tools while preventing unauthorized removal thereof, that increases tank top structural rigidity, and that does not trap water on the tank cover.
    Type: Application
    Filed: December 5, 2001
    Publication date: June 5, 2003
    Applicant: ERMCO
    Inventors: Jeffrey A. Schneider, Rad J. Hunsley, Greg V. Campbell
  • Patent number: D467542
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: December 24, 2002
    Assignee: ERMCO
    Inventors: Greg V. Campbell, Rad J. Hunsley, Jeffrey A. Schneider