Patents by Inventor Barry R. Kehrney

Barry R. Kehrney 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 controlling down pressure on agricultural implements
    Patent number: 5497837
    Abstract: A soil treatment apparatus is provided having a main frame to be drawn by a towing vehicle over subjacent soil, a subframe, a structure for mounting the subframe to the main frame for vertical movement relative thereto between first and second position, and structure for attaching a plurality of soil treating implements to the subframe to follow movement of the subframe between the first and second positions.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: March 12, 1996
    Assignee: Dawn Equipment Company
    Inventor: Barry R. Kehrney