Patents by Inventor Philip Steffen Ricketts

Philip Steffen Ricketts 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).

  • BOLT-ON FLAT IDLER SEGMENTS
    Publication number: 20220194495
    Abstract: An idler assembly includes a cylindrical hub defining an axis of rotation, a radial direction, and a circumferential direction. A stepped circumferential surface of the cylindrical hub has a first radially inner face, and a radially outer cylindrical face. Mounting holes extend radially into the radially outer cylindrical face. A first idler segment is attached to the cylindrical hub, and includes an at least partially flat body having a first planar chain link contacting surface. The cylindrical hub has a first set of metallurgical properties that is different than the second set of metallurgical properties of the first idler segment.
    Type: Application
    Filed: December 21, 2020
    Publication date: June 23, 2022
    Applicant: Caterpillar Inc.
    Inventors: Kevin L. Steiner, Donovan Stuart Clarke, Robert Donald Bierman, Eric B. Weisbruch, Jason L. Sebright, Martin Tagore Joseph Xavier, Daniel I. Knobloch, Philip Steffen Ricketts