Patents by Inventor Ronald P. Leone

Ronald P. Leone 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).

  • Flexible shaft and method for manufacturing same
    Patent number: 5488761
    Abstract: A shaft coupling for transmitting power including a flexible hollow rod extending in a longitudinal direction and having pairs of helical slots formed thereon. The pairs of slots are spaced from each other along the longitudinal direction of the rod. The shaft is manufactured by providing a hollow rod and advancing the rod with a combined rotational and translational motion. An opening is machined across a diameter of the rod during its advancement to form a pair of intertwined helical slots.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: February 6, 1996
    Inventor: Ronald P. Leone