Patents by Inventor James J. Shipman

James J. Shipman 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).

  • Method of making a radial tire
    Patent number: 4173503
    Abstract: A method of single stage construction of pneumatic tires of the radial type wherein all components are entirely assembled upon a cylindrical tire building drum and thereafter shaped to toroidal configuration with the requisite relative motion between components during shaping being facilitated by a lubricant, characterized in that the lubricant is contained in a composition including a thermoplastic with the composition applied to certain of the tire components in liquid form and dried prior to assembly of the components into the tire.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: November 6, 1979
    Assignee: The B. F. Goodrich Company
    Inventors: James J. Shipman, Robert W. Hallman, Linwood P. Tenney, Leman G. Beall, Jr.
  • Internal tire lubricant
    Patent number: 4096898
    Abstract: An internal tire lubricant which minimizes or prevents injury to a pneumatic tire when it runs flat, and which also assists in sealing small punctures, consists of a mixture of liquid or easily fusible materials, one of which is a partially crystalline solid olefine polymer, and another of which is an essentially noncrystalline liquid or solid hydrocarbon or analogous material.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: June 27, 1978
    Assignee: The B.F. Goodrich Company
    Inventors: James W. Messerly, James J. Shipman