Patents by Inventor Roger Essley Lawson

Roger Essley Lawson 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).

  • ROLLER SYSTEM FOR MACHINE UNDERCARRIAGE
    Publication number: 20170166271
    Abstract: A roller system for a tracked undercarriage is disclosed. The roller system includes an interconnected track shoe series. A first roller series is configured to engage a first plurality of non-adjacent track shoes of the interconnected track shoe series. A second roller series is configured to engage a second plurality of non-adjacent track shoes of the interconnected track shoe series. Rollers of the first roller series are independently mounted relative to rollers of the second roller series. Non-adjacent track shoes of the first plurality are between non-adjacent track shoes of the second plurality.
    Type: Application
    Filed: December 15, 2015
    Publication date: June 15, 2017
    Applicant: CATERPILLAR INC.
    Inventors: David Jennings Hakes, Roger Essley Lawson