Patents by Inventor James J. Oravitz, Jr.

James J. Oravitz, Jr. 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).

  • Method for cutting hot glass
    Patent number: 4891054
    Abstract: A glass sheet is cut while at a temperature at about its annealing point temperature by scoring the glass sheet along a line of cut and imparting a bending moment to the glass along the scored line to open the glass. The glass sheet remains at its elevated temperature throughout the cutting operation to reduce or eliminate additional heating required for subsequent processing.
    Type: Grant
    Filed: December 30, 1988
    Date of Patent: January 2, 1990
    Assignee: PPG Industries, Inc.
    Inventors: Jack A. Bricker, Earl L. May, Donald P. Michelotti, John R. Dahlberg, James J. Oravitz, Jr., William R. Siskos