Patents by Inventor John J. Huben

John J. Huben 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).

  • Method and apparatus for detecting a seal on a plastic bag
    Patent number: 5861078
    Abstract: A method and apparatus for registration of a seal to a perforation on a plastic bag include a drum for forming a seal on a continuous plastic film and a downstream perforator/cutting station for forming a perforation on the film with respect to the location of the seal. The perforation is properly registered to the seal by sensing the seal location directly, with a seal sensor located near the perforator/cutting station.
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: January 19, 1999
    Assignee: CMD Corporation
    Inventors: John J. Huben, John A. Schmidt, Charles H. Sauder, Kevin O. Heindel, Thomas C. Jansen, Stephen A. Saindon