Patents by Inventor Ben Luebke

Ben Luebke 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).

  • Electrical machine especially a D-C motor
    Patent number: 5105111
    Abstract: A direct - current electric machine includes a rotor rotatable about an axis of rotation and a stator formed with a plurality of locations angularly equispaced thereon and provided with a respective array of horseshoe magnets extending over 180.degree. about a respective helical coil wounded on a coil axis defined by a respective pair of arms mounted on the rotor and coinciding with a tangent to a circle centered in the axis of rotation.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: April 14, 1992
    Inventor: Ben Luebke