Patents by Inventor Rick Dulin

Rick Dulin 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).

  • Method and apparatus for compacting road shoulders
    Patent number: 6612774
    Abstract: A method and apparatus for compacting a road shoulder by a vehicle positioned on a road surface. The apparatus includes a compactor support structure detachably mounted to a front end of the vehicle and including a guide member which slidably receives a horizontally movable ram. A ram linear actuator interconnects the guide member and ram wherein activation of the ram linear actuator causes horizontal movement of the ram. A pair of laterally spaced arms are pivotally mounted to the ram and rotatably support a roller. A pair of arm linear actuators connect the arms to the ram wherein activation of the arm linear actuators causes vertical movement of the roller.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: September 2, 2003
    Inventor: Rick Dulin