Patents by Inventor Wright M. Welton, Jr.

Wright M. Welton, 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).

  • Measuring glass surface temperature during annealing
    Patent number: 3957475
    Abstract: Method and apparatus for continually monitoring the surface temperature of a moving glass ribbon at a given distance from the edge of the ribbon where the ribbon moves through a critical portion of an annealing lehr where the rate of cooling determines whether the ribbon may be cut easily after annealing and whether the ribbon is subjected to spontaneous breakage during annealing.
    Type: Grant
    Filed: April 7, 1975
    Date of Patent: May 18, 1976
    Assignee: PPG Industries, Inc.
    Inventors: Ernest N. Schwenninger, Wright M. Welton, Jr.
  • Method and apparatus for making molten glass with batch guiding means
    Patent number: 3941576
    Abstract: In a continuous glass melting furnace, a pair of substantially horizontally and longitudinally extending barrier rods are provided just beneath the surface of the molten glass closely adjacent to the sides of the floating batch blanket so as to maintain the batch blanket spaced from the sidewalls of the furnace.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: March 2, 1976
    Assignee: PPG Industries, Inc.
    Inventor: Wright M. Welton, Jr.