Patents by Inventor Ronald R. Zito

Ronald R. Zito 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).

  • Patent number: 4332607
    Abstract: A tweel flow control device at the entrance to a flat glass forming chamber is provided with overhead support and elevator means, preferably adapted to convey the tweel from its operative location.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: June 1, 1982
    Assignee: PPG Industries, Inc.
    Inventors: Stephen J. Schultz, Ronald R. Zito
  • Patent number: 4328021
    Abstract: In a flat glass melting and forming installation, the threshold between a melting furnace and a forming chamber is supported on movable cart means to expedite installation and removal of the threshold.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: May 4, 1982
    Assignee: PPG Industries, Inc.
    Inventors: George O. Wehner, Stephen J. Schultz, Ronald R. Zito
  • Patent number: 4316735
    Abstract: A tweel flow control device at the entrance to a flat glass forming chamber is provided with suport means adapted for positioning the tweel in three dimensions.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: February 23, 1982
    Assignee: PPG Industries, Inc.
    Inventors: Stephen J. Schultz, Ronald R. Zito, George O. Wehner, George C. Newcamp