Patents by Inventor Michael S. Given

Michael S. Given 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).

  • Brake cylinder piston spring
    Patent number: 5180149
    Abstract: A coil spring is provided for use in biasing opposing piston portions of a brake cylinder away from each other. The spring includes a body portion formed of a length of alloy wire and including adjacent coils spaced from each other defining a cylindrical helix. A pair of end portions are formed integrally with the body portion and include a plurality of coils positioned in contact with each other and defining a conical helix shape for engaging the opposing piston portions of the brake cylinder.
    Type: Grant
    Filed: December 5, 1991
    Date of Patent: January 19, 1993
    Assignee: Twist Inc.
    Inventors: Michael S. Given, Joe W. Wright