Patents by Inventor Edward Whittome

Edward Whittome 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).

  • Patent number: 4771944
    Abstract: The invention provides an elastomeric rail pad of generally rectangular plan configuration, the pad having an upper face adapted to underly the lower face of a rail, and a lower face adapted to overly a rail foundation member, wherein each of the upper and the lower faces of the pad is provided with a multiplicity of distinct and separate portions, when separately viewed from adjacent side edges of the rectangular pad, raised above the base level of the respective face and adapted to engage the rail or the foundation member respectively, the arrangement being such that between approximately 30% and 70% of that part of each face of the pad which is arranged to lie directly between the rail and the foundation member is constituted by the raised surface portions.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: September 20, 1988
    Assignee: Pandrol Limited
    Inventors: Derek Brister, Edward Whittome, David Rhodes, Geoffrey G. Leeves