Patents by Inventor Gerard Heitzler

Gerard Heitzler 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).

  • Process and device for applying a protective film to an alveolated board
    Patent number: 5069738
    Abstract: Device for applying a protective film to a board consisting of two flat cover panels (2 and 3), coupled by partitions (4) integral with the panels, forming longitudinal cavities (5) comprising means for depositing a film of flexible material (7) on a first surface according to the longest dimensions of the board, so as to form a fold (71) at least over one of the ends onto which the cavities (5) open so as to cover the cavities with the fold.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: December 3, 1991
    Assignee: Kaysersberg Packaging, S.A.
    Inventors: Robert Ruemeli, Gerard Heitzler