Patents by Inventor Doy Presley

Doy Presley 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).

  • Magnetic motor having rotating and reciprocating permanent magnets
    Patent number: 4196365
    Abstract: A magnetic motor comprises a rotary shaft and a rotating disc coupled to rotate with the shaft. The rotating disc includes first, second and third magnets positioned at 120.degree. intervals about the face of the disc. A pivotally mounted bracket is symmetrically positioned about the shaft and includes fourth and fifth magnets which are aligned to repel the first, second and third magnets when the magnet on the bracket is positioned adjacent to a magnet on the rotating disc. The bracket has a first position in which the fourth magnet is positioned close to the disc and the fifth magnet is positioned away from the disc. The bracket also has a second position in which the fourth magnet is positioned away from the disc and the fifth magnet is positioned close to the disc.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: April 1, 1980
    Inventor: Doy Presley