Patents by Inventor Richard A. Triplett

Richard A. Triplett 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).

  • Track type four sprocket wheel drive crawler tractor
    Patent number: 4519465
    Abstract: A crawler tractor using hydraulic pumps and motors for propulsion. One hydraulic pump operates fore and aft hydraulic motors on the same side of the tractor. Two cross members are used to join the undercarriage to the cab. The two cross members are replaceable with other cross members to change the width between the tracks and to change ground clearance of the cab. Single screwable means adjust the length of the undercarriage.
    Type: Grant
    Filed: March 26, 1982
    Date of Patent: May 28, 1985
    Inventor: Richard A. Triplett