Patents by Inventor Wolfgang Labenski

Wolfgang Labenski 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 of applying protective coatings to metal products
    Patent number: 4003760
    Abstract: A method for applying a coating on metal articles that is resistant to chemical and mechanical attack including the steps of first applying a galvanic zinc coating over a metal article, next applying a chromate coating over the zinc coating, drying the chromate coating, and thereafter applying a fluoroplastic resinous coating over the chromate coating.
    Type: Grant
    Filed: March 1, 1974
    Date of Patent: January 18, 1977
    Assignee: Mecano-Bundy GmbH
    Inventors: Wolfgang Labenski, Heinz Paul Schapitz, Hans-Peter Wessel