Patents by Inventor John J. Zeller

John J. Zeller 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).

  • Apparatus for single-sided, cold mechanical knurling
    Patent number: 5670188
    Abstract: An apparatus for producing single-sided knurls on a web or substrate without heat. The apparatus includes a conventional knurling wheel and a knurling wheel having its points ground down. A nip is formed by these two wheels and an edge of the web is passed through the nip. The resulting knurl has raised features on only one side of the web. The knurls are thinner than conventional two sided knurls and minimize fluting to the web.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: September 23, 1997
    Assignee: Eastman Kodak Company
    Inventors: Daniel R. May, Kevin A. Cole, Sharon A. Guzman, John J. Zeller
  • Apparatus and method for variably knurling edges of web and product produced thereby
    Patent number: 5393589
    Abstract: Webs are provided with edge knurls whose effective height varies along the length of the web in a predetermined manner.
    Type: Grant
    Filed: June 24, 1992
    Date of Patent: February 28, 1995
    Assignee: Eastman Kodak Company
    Inventors: John J. Zeller, Robert C. Brown, Zbigniew Hakiel, Allan T. Hoy, Arthur M. Stewart