Patents by Inventor Cornelius Durham Garbutt, Jr.

Cornelius Durham Garbutt, 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).

  • Shallow-hole kerf boring machine with auger on side-arm elevating assembly
    Patent number: 3949815
    Abstract: An augering machine and method for underground mining of minerals by selectively cutting shallow cylindrical kerfs into the face of a mine entry, comprising a wheeled vehicle having an independently elevatable side arm which carries a cutter head and an attached auger flight, a motor for rotation thereof, and a flight-advancing sump device. A selectively controllable operator-warming system that is usable for any hydraulically operated machine is also provided.
    Type: Grant
    Filed: July 24, 1974
    Date of Patent: April 13, 1976
    Assignee: Badger Manufacturing Corporation
    Inventors: William Sebert Bryant, Jr., Cornelius Durham Garbutt, Jr.