Patents by Inventor David Orrin Ross

David Orrin Ross 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).

  • Implement and power take off attachment system
    Patent number: 7278502
    Abstract: A quick attaching coupler is mounted to a tractor three point hitch, with a first actuator linked to latches on both sides of the hitch. The first actuator may be moved by a seated operator between a first position wherein both latches are unlatched and a second position wherein both latches are latched. A quick PTO coupler is mounted to the quick attaching coupler, and has a sleeve carrying a first end of a tractor PTO shaft. The sleeve pivots independently of the latches between a first PTO disengaged position and a second PTO engaged position. A second actuator linked to the sleeve may be moved by the seated operator between a first position wherein the PTO is disengaged and a second position wherein the PTO is engaged.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: October 9, 2007
    Assignee: Deere & Company
    Inventors: Harlin James Trefz, David Orrin Ross, Brian Richard Clement, Kenneth Edward Hunt