Patents by Inventor M. Daniel Valentin

M. Daniel Valentin 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).

  • Device for the power-assisted control of a hydraulic transmitter
    Patent number: 4223533
    Abstract: A device for the power-assisted control of a hydraulic transmitter is disclosed which includes a transmitter cylinder having a first and second bore provided therein, a main piston with a bore hole, disposed in the cylinder, valve means disposed in the bore of the cylinder, a fluid source communicated with the cylinder, a control piston movably disposed in the second bore and having a control section and a second section formed thereon wherein the control section of the control piston is larger than the second section of the control piston.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: September 23, 1980
    Assignee: Regie Nationale des Usines Renault
    Inventor: M. Daniel Valentin