Patents by Inventor James D. DuVander

James D. DuVander 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).

  • Automated corrugated box processing equipment
    Patent number: 5054262
    Abstract: A device for the releasing of tabs found on the diagonally facing corners of tab-locked corrugated cardboard boxes. The boxes are moved along a track whereupon they are deformed to enable a release means positioned along the track to slip between major flap and the sidewall of the corrugated box to release a first tab. The box is then turned at least 90.degree. and the process repeated.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: October 8, 1991
    Assignee: Philip Graham Hertel
    Inventors: Philip G. Hertel, James D. DuVander, Michael K. Jewett