Patents by Inventor Douglas G. Schondell

Douglas G. Schondell 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).

  • Patent number: 4977967
    Abstract: A combined steering and lubricating apparatus for use with earth boring apparatus includes a casing extension pivotally attached to one end of a casing section and controlled by an elongate tube which is movable along an axis parallel to the axis of the casing to pivot the casing extension. The invention includes a first connector for connecting one end of the tube to the casing extension and a second connector assembly connected to the other end of the tube for moving the tube and pivoting the casing extension and for providing lubricating fluid to the tube and first connector for deposit on the exterior of the casing.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: December 18, 1990
    Assignee: Augers Unlimited, Inc.
    Inventors: Howard W. Alston, Ronald E. Peacock, Douglas G. Schondell