Patents by Inventor Conwell Keefer Rife, Jr.

Conwell Keefer Rife, 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).

  • SYSTEM AND METHOD OF MATERIAL EVACUATION IN MILL CHAMBER
    Publication number: 20230116589
    Abstract: A work machine including a frame, a plurality of ground engaging mechanisms, a conveyor assembly and a mill chamber. The conveyor assembly including a conveyor belt. The mill chamber including an auger and a rotor, the rotor having a plurality of teeth.
    Type: Application
    Filed: October 11, 2021
    Publication date: April 13, 2023
    Applicant: Caterpillar Paving Products lnc.
    Inventors: Nicholas B. Johnson, Conwell Keefer Rife, JR., Eric S. Engelmann
  • System and method of material evacuation in mill chamber
    Patent number: 11613855
    Abstract: A work machine including a frame, a plurality of ground engaging mechanisms, a conveyor assembly and a mill chamber. The conveyor assembly including a conveyor belt. The mill chamber including an auger and a rotor, the rotor having a plurality of teeth.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: March 28, 2023
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Nicholas B. Johnson, Conwell Keefer Rife, Jr., Eric S. Engelmann