Patents by Inventor Vasil T. Hristov

Vasil T. Hristov 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).

  • Wheel-guiding device and methods of use thereof
    Patent number: 7074169
    Abstract: A wheel-guiding device comprises a handle connected to a member of a U-shaped member and the handle is preferably essentially perpendicular to a plane of the U-shaped member for guiding the motion of a preferably wheel. The handle is extendable for adjusting the length of the wheel-guiding device. The wheel's motion is controlled with the wheel-guiding device by engaging the U-shaped member and pushing on the wheel with the wheel-guiding device causing the wheel to both rotate and move in various directions or to stop movement of the wheel.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: July 11, 2006
    Inventor: Vasil T. Hristov
  • Wheel-guiding device and methods of use thereof
    Publication number: 20040214695
    Abstract: A wheel-guiding device comprises a handle connected to a member of a U-shaped member and the handle is preferably essentially perpendicular to a plane of the U-shaped member for guiding the motion of a preferably wheel. The handle is extendable for adjusting the length of the wheel-guiding device. The wheel's motion is controlled with the wheel-guiding device by engaging the U-shaped member and pushing on the wheel with the wheel-guiding device causing the wheel to both rotate and move in various directions or to stop movement of the wheel.
    Type: Application
    Filed: April 22, 2003
    Publication date: October 28, 2004
    Inventor: Vasil T. Hristov