Patents by Inventor Paul S. Settle

Paul S. Settle 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: 3948185
    Abstract: Method for undercutting a railroad tie resting in a ballast bed and supporting track rails consisting of moving a probe through the ballast beneath the tie while continuously vibrating the probe so that forces are transmitted from the probe to the ballast to agitate the ballast adjacent to the bottom and side faces of the tie to remove ballast from beneath the tie to form a trench substantially coincident with the bottom of the tie and to loosen ballast immediately adjacent the side faces of the tie and apparatus for carrying out the method.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: April 6, 1976
    Assignee: Railway Maintenance Corporation
    Inventors: Paul S. Settle, Rudolph G. Wilmer