Patents by Inventor Gregory C. Hoffmann

Gregory C. Hoffmann 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: 7560822
    Abstract: An educational electrical generation kit includes a bicycle wheel support which may accommodate the driven wheel of a bicycle, and wherein a generator engages the driven bicycle wheel to generate electricity. The kit also includes a display board with various electrical output meters and/or electrical loads for monitoring and/or dissipating the electrical output from the bicycle. The kit is designed to be readily portable and easily set up and torn down, and to allow a spectator/participant to incorporate a bicycle of virtually any size into the bicycle wheel support to interactively generate electricity for use in the display board.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: July 14, 2009
    Inventor: Gregory C. Hoffmann