Patents by Inventor James Dale Ruff

James Dale Ruff 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: 6655523
    Abstract: An excited frame conveyor is described with a conveyor bed movably supported on a frame having a structural frequency and a vibratory drive on the frame operable to vibrate the frame at an operational frequency that is greater than the structural frequency of the frame.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: December 2, 2003
    Assignee: Key Technology, Inc.
    Inventors: Peter Todd Jones, James Dale Ruff, James Gale
  • Publication number: 20020130015
    Abstract: An excited frame conveyor is described with a conveyor bed movably supported on a frame having a structural frequency and a vibratory drive on the frame operable to vibrate the frame at an operational frequency that is greater than the structural frequency of the frame.
    Type: Application
    Filed: March 15, 2001
    Publication date: September 19, 2002
    Inventors: Peter Todd Jones, James Dale Ruff, James Gale