Patents by Inventor Mark Bearer

Mark Bearer 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).

  • Publication number: 20060017035
    Abstract: Ball valves that include a gland that is interposed between a spring and a seat. The ball valves include a valve body, a ball, a valve seat, and an annular spring. The spring urges the gland member toward the valve seat to urge the valve seat toward the ball.
    Type: Application
    Filed: July 14, 2005
    Publication date: January 26, 2006
    Inventors: Mark Bearer, David Hasak, Eric Kvarda