Patents by Inventor Ervin A. Mitchell

Ervin A. Mitchell 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: 9986731
    Abstract: A motorized cart with a frame, the frame having a floor, a first elongated side wall, a second elongated side wall, a rear wall, and a front wall that is hingedly connected to the floor. The cart includes a winch that is situated on the rear wall of the cart. A winch belt with a hook on the end of it extends forward from the rear wall. The cart has two wheels that are longitudinally aligned with one another so that one wheel is directly in front of the other wheel, and the wheels are centered longitudinally within the floor of the cart. The cart also has an electric motor that is powered by a battery and is operable in both forward and reverse gear.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: June 5, 2018
    Assignee: Chimney Rock Enterprises, L.L.C.
    Inventors: Ervin A. Mitchell, Thomas H. Ames
  • Publication number: 20170325445
    Abstract: A motorized cart with a frame, the frame having a floor, a first elongated side wall, a second elongated side wall, a rear wall, and a front wall that is hingedly connected to the floor. The cart includes a winch that is situated on the rear wall of the cart. A winch belt with a hook on the end of it extends forward from the rear wall. The cart has two wheels that are longitudinally aligned with one another so that one wheel is directly in front of the other wheel, and the wheels are centered longitudinally within the floor of the cart. The cart also has an electric motor that is powered by a battery and is operable in both forward and reverse gear.
    Type: Application
    Filed: May 12, 2016
    Publication date: November 16, 2017
    Inventors: Ervin A. Mitchell, Thomas H. Ames
  • Patent number: 6793236
    Abstract: A motorized game cart having a frame with wheels mounted to an axle. A portable power drill is mounted to the frame with the chuck of the power drill mounted to a gear box connected to the axle for rotating the axle when the power drill is operated. A drive sprocket is fixedly mounted to a ball bearing assembly mounted for free rotation about the axle. The ball bearing assembly further having a female portion of a socket coupler. A male portion of the socket coupler is secured to the axle to rotate with the axle but is movable longitudinally along the axle. A control rod is provided for moving the male portion into coupling relation with the female portion. A follower sprocket is mounted on a differential mounted to the axle between the two wheels. An endless chain connects the drive sprocket with the follower sprocket.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: September 21, 2004
    Inventor: Ervin A. Mitchell