Patents by Inventor Gilbert M. Turner

Gilbert M. Turner 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).

  • Apparatus for cutting hard earth formations
    Patent number: 4244625
    Abstract: The chain link conveyor assembly of an earth cutting machine is provided with means for mounting the conical cutting bits at a penetration angle on the range of 47.degree. to 53.degree. and a sideward angle in the range of 3.degree. to 12.degree.. Even bit wear is best promoted at penetration and sideward angles of 50.degree. and 71/2.degree., respectively.
    Type: Grant
    Filed: July 13, 1978
    Date of Patent: January 13, 1981
    Assignee: Boring & Tunneling Company of America, Inc.
    Inventors: Gilbert M. Turner, Clarence L. Stepp