Patents by Inventor John R. Travers

John R. Travers 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).

  • Dual type composition brake block specifically designed for use in predetermined type brake systems
    Patent number: 5794740
    Abstract: A dual type composition brake block member specifically designed for use in predetermined type brake systems. The brake block member consists of a brake surface having a predetermined configuration and a predetermined surface area. It further includes a first low friction type composition material having a predetermined friction range and extends over a first predetermined portion of the surface area of the brake surface. It further includes a second high static friction type composition material having a second predetermined friction range. The second high static friction type composition material extends over a second portion of the surface area of the brake surface.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: August 18, 1998
    Assignee: Westinghouse Air Brake Company
    Inventors: Raj Velayutha, John R. Travers