Patents by Inventor H. John Bates, Jr.

H. John Bates, Jr. 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: 4723805
    Abstract: A transloader provides means and method for adjusting multiple chains in an array for uniform tensioning. The transloader is mounted adjacent a reference member with chain adjustment rods passing through respective spring assemblies in a spring block. The central adjustment rod is adjusted to position the spring block with respect to the reference member and the remaining adjustment rods adjusted to position respective spring followers relative to the spring block thereby providing uniform tension on all chains.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: February 9, 1988
    Assignee: NL Industries, Inc.
    Inventors: H. John Bates, Jr., Gary L. Egbert