Patents by Inventor Christoph Waldau

Christoph Waldau 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).

  • Resealable plastic packaging container with hook and loop closure
    Patent number: 6691886
    Abstract: The invention relates to a resealable plastic packaging container (1) consisting of a tray (2) and a lid film (3) which in the sealing area (4) is sealed to the tray (2) such that it can be at least partly peeled back. The plastic packaging container comprises at least one hook and loop closure (9, 10, 11) whose two complementary parts (9′, 10′, 11′) are arranged opposite each other on the tray (2) and lid film (3), respectively, and by means of which the plastic packaging container can be resealed after the peel-back seal has been opened.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: February 17, 2004
    Assignee: Convenience Food Systems B.V.
    Inventors: Dieter Berndt, Matthias Giebel, Christoph Waldau, Ulrich Reiners, Rudi Fux, Roland Karlsson