Patents by Inventor Helmut Enger

Helmut Enger 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).

  • Patent number: 4854994
    Abstract: A hot press for pressing industrial laminates to single-layer pressed boards having at least one heating platen, and at least one press opening in which a sealing means including an expansible and retractable hose is associated with each press opening to alternatively seal and open said press opening.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: August 8, 1989
    Assignee: Hoesch Maschinenfabrik Deutschland AG
    Inventors: Horst Breiter, Helmut Enger, Uwe Teuwen