Patents by Inventor Ralph E. Luchterhand

Ralph E. Luchterhand 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: 4886156
    Abstract: A log-transporting conveyor chain is described. The conveyor chain incorporates log-transporting links with attached guide blocks which, in combination with an enclosing chain raceway, prevent undesirable play in the chain.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: December 12, 1989
    Assignee: U.S. Natural Resources, Log Boss Systems Division
    Inventors: Robert A. Records, Ralph E. Luchterhand, John F. Detroit