Patents by Inventor John Farrell Cox

John Farrell Cox 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).

  • Shrink tunnel and methods relating thereto
    Patent number: 5740659
    Abstract: An apparatus for shrinking a heat-shrinkable film around a product. The apparatus has a first heating stage which heats a portion of the underside of the package to properly position the shrink film and a second heating stage which further shrinks the film. Side heating jets can optionally be used to heat the sides of the package between the first and second heating stages. The top of the package can also be heated after the second heating stage.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: April 21, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: John Farrell Cox, Frederick Henry Fiesser, Robert Vincent Jeral, Donald Earl Erlston, Jr., Richard Alan Hansen