Patents by Inventor Leslie A. Nevard

Leslie A. Nevard 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).

  • Heating glass batch material
    Patent number: 4238216
    Abstract: A heating chamber for pellets of glass batch material has a pellet inlet in one wall of the chamber and a pellet outlet at a lower part of the chamber so that a bed of pellets is formed with an upper surface inclined at an angle of repose of the pellets. Hot gas is fed into the bed of pellets through a plurality of outlets arranged in a plane parallel to the surface of the bed so that gas emerging from all the outlets has a substantially constant path length to the surface of the bed.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: December 9, 1980
    Assignee: Pilkington Brothers Limited
    Inventor: Leslie A. Nevard