Patents by Inventor Bernard Robert Pollard

Bernard Robert Pollard 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).

  • Gas shroud
    Patent number: 4023614
    Abstract: The oxygen content in a continuous casting mold atmosphere may be minimized by use of a gas shroud with tubular members having the following area relationship: ##EQU1##
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: May 17, 1977
    Assignee: Jones & Laughlin Steel Corporation
    Inventor: Bernard Robert Pollard
  • Gas shroud
    Patent number: 3963224
    Abstract: An improved shrounding apparatus for providing a protective gaseous atmosphere around a liquid stream during its transfer between containers is characterized by a releasable shroud head and a positioning system that includes at least two pivot members. The device is specially suitable for use in the continuous casting of liquid metals such as steel.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: June 15, 1976
    Assignee: Jones & Laughlin Steel Corporation
    Inventor: Bernard Robert Pollard