Patents by Inventor Donald F. Turner

Donald F. Turner 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).

  • Unidirectional draining device
    Patent number: 6756151
    Abstract: A draining device including a threaded portion, the threaded portion depending outwardly from an annular portion and having an inner opening in fluid communication with a pair of openings in the annular portion, where said pair of openings provides a pathway for draining.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: June 29, 2004
    Assignee: General Motors Corporation
    Inventors: Shijian Zhou, Timothy H. Kline, Donald F. Turner, James R. Nowakowski
  • Unidirectional draining device
    Publication number: 20030129482
    Abstract: A draining device including a threaded portion, the threaded portion depending outwardly from an annular portion and having an inner opening in fluid communication with a pair of openings in the annular portion, where said pair of openings provides a pathway for draining.
    Type: Application
    Filed: January 8, 2002
    Publication date: July 10, 2003
    Inventors: Shijian Zhou, Timothy H. Kline, Donald F. Turner, James R. Nowakowski