Patents by Inventor Jose T. Castillo

Jose T. Castillo 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).

  • Governor drive pulley
    Patent number: 5520583
    Abstract: A governor drive pulley capable of having a wide variation in effective pulley radius and automatically performing predetermined mechanical control functions. The pulley includes sheave segments mounted on an energy-storing flexible chassis. Predetermined mechanical control is achieved by customizing the energy-storing component of the chassis.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: May 28, 1996
    Inventors: Ronald F. Balingit, Jose T. Castillo