Patents by Inventor Rolf Kotterheinrich

Rolf Kotterheinrich 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).

  • Plastic pallet
    Patent number: 5922269
    Abstract: A method of manufacturing a plastic pallet having a deck and legs underneath the deck includes forming an extruded parison, while still hot, into an article having a pallet deck and integrated sheet legs along its longitudinal, transverse, or both sides. The formed article is removed from the mold and the formed sheet legs are brought into a position perpendicular to the pallet deck and then are fastened in that position.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: July 13, 1999
    Assignee: Borealis A/S
    Inventors: Oddbjorn Gronnevik, Helge Grande, Rolf Kotterheinrich