Patents by Inventor Carnel C. Duvall

Carnel C. Duvall 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: 7828270
    Abstract: A quick attach stabilizing device for skid steer loaders and similar machines for performing off-road recovery, winching, and loading operations. Primarily used by wrecker service and other service companies when 4 wheel drive winch vehicles cannot drive to the off-road location due to the extremely bad ground surface conditions caused by excessive rain, snow, or ice.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: November 9, 2010
    Inventor: Carnel C. Duvall
  • Publication number: 20080164448
    Abstract: A vehicle positioning device that installs onto the side of the frame of a heavy duty rollback wrecker vehicle and is capable of winching a wrecked vehicle onto the shoulder of a roadway so that the wrecked vehicle is aligned parallel with the roadway, i.e. the desired position to be safely loaded onto the rollback wrecker vehicle. The device is provided with a winch and attached cable and hook for winching a wrecked vehicle in a direction approximately perpendicular to the longitudinal axis of the rollback wrecker vehicle. The winch is hydraulically powered by tapping into the existing hydraulic system provided on the rollback wrecker vehicle.
    Type: Application
    Filed: January 7, 2008
    Publication date: July 10, 2008
    Inventor: Carnel C. Duvall
  • Patent number: 6543749
    Abstract: A vehicle positioning device that installs onto the side of the frame of a rollback wrecker vehicle and is capable of pulling a wrecked vehicle onto the shoulder of a roadway so that the wrecked vehicle is aligned parallel with the roadway, i.e. the desired position to be safely loaded onto the rollback wrecker vehicle. The device is provided with retractable stabilizing arms capable of stabilizing the rollback wrecker vehicle and with a winch and attached cable for pulling a wrecked vehicle in a direction approximately perpendicular to the longitudinal axis of the rollback wrecker vehicle. The arms and winch are hydraulically controlled by tapping into the hydraulic system provided on the rollback wrecker vehicle.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: April 8, 2003
    Inventor: Carnel C. Duvall