Patents by Inventor Billy Cobb

Billy Cobb 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).

  • Wheel chock for chocking railroad car wheel
    Patent number: 5685397
    Abstract: A wheel chock assembly for chocking the wheel of a railroad car including a chock having at least one inclined ramp surface, a bottom surface, and opposite side surfaces. Each one of the opposite side surfaces of the chock contains a bore. A positioner presents an elongate arm with a retriever at one end thereof. The retriever has a projection which is receivable within a selected one of the bores in the opposite side surfaces. When the projection engages a selected one of the bores, the positioner can carry the chock for the selective positioning of the chock.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: November 11, 1997
    Assignee: Central Sales and Service Inc.
    Inventors: Wilson Maddox, Billy Cobb