Patents by Inventor William V. Hartman

William V. Hartman 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).

  • Aerodynamic sound-emitting amusement device
    Patent number: 6764371
    Abstract: An amusement device toy in the shape of a flying saucer disk having aero-dynamically shaped whistle structures for emitting different tones when the disk is thrown into the air, mounted symmetrically on the periphery of the disk. The size of the whistle air chambers may be varied or the openings for admitting air displaced at different angles to obtain the different tones, while the aero-dynamic shape of the whistle assures laminar flow of air over the whistle entry for increased air flow.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: July 20, 2004
    Inventors: William V. Hartman, Ralph P. Shaw, Jr.
  • Aerodynamic sound-emitting amusement device
    Publication number: 20030153234
    Abstract: An amusement device toy in the shape of a flying saucer disk having aero-dynamically shaped whistle structures for emitting different tones when the disk is thrown into the air, mounted symmetrically on the periphery of the disk. The size of the whistle air chambers may be varied or the openings for admitting air displaced at different angles to obtain the different tones, while the aero-dynamic shape of the whistle assures laminar flow of air over the whistle entry for increased air flow.
    Type: Application
    Filed: February 3, 2003
    Publication date: August 14, 2003
    Inventors: William V. Hartman, Ralph P. Shaw