Patents by Inventor Carter H. Watson

Carter H. Watson 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).

  • High production chill roll
    Patent number: 6257321
    Abstract: A chill roll for cooling a web is provided and includes a cylindrical outer roll having an inner and an outer surface, the inner surface of the outer roll having circumferential projections spaced at intervals along its length forming circumferential channels therebetween. The chill roll further has a cylindrical inner roll having an inner and an outer surface, and a diameter less than a diameter of the outer cylindrical roll and defining an annular space between the outer surface of the cylindrical inner roll and the inner surface of the cylindrical outer roll, allowing a coolant material to flow into and out of the circumferential channels and to contact the inner surface of the cylindrical outer roll to uniformly cool the outer surface of the cylindrical outer roll.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: July 10, 2001
    Assignee: International Paper Company
    Inventors: Carter H. Watson, Allan A. Whillock, Charles E. Gibbons
  • High production chill roll
    Patent number: 5983993
    Abstract: A chill roll for cooling a web is provided and includes a cylindrical outer roll having an inner and an outer surface, the inner surface of the outer roll having circumferential projections spaced at intervals along its length forming circumferential channels therebetween. The chill roll further has a cylindrical inner roll having an inner and an outer surface, and a diameter less than a diameter of the outer cylindrical roll and defining an annular space between the outer surface of the cylindrical inner roll and the inner surface of the cylindrical outer roll, allowing a coolant material to flow into and out of the circumferential channels and to contact the inner surface of the cylindrical outer roll to uniformly cool the outer surface of the cylindrical outer roll.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: November 16, 1999
    Assignee: International Paper Company
    Inventors: Carter H. Watson, Allan A. Whillock, Charles E. Gibbons