Patents by Inventor Domenico Ciolfitto

Domenico Ciolfitto 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).

  • Valve control system
    Patent number: 5129425
    Abstract: A control system particularly for use for saw mill machinery utilizing large pneumatic actuators. A joystick provides an electrical control signal to a hydraulic proportional pilot valve which, in turn, hydraulically controls a valve body which controls the flow of air to the pneumatic actuator.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: July 14, 1992
    Inventors: Ronald F. Howarth, Domenico Ciolfitto