Patents by Inventor Ingrid Paulus

Ingrid Paulus 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 blow molding and fluorinating plastic containers
    Patent number: 4830810
    Abstract: A novel method of blow molding and fluorinating plastic containers carried out in essentially three steps, including blow molding of the container at a first predetermined pressure in a mechanically locked mold with an inert gas, testing the mold for pressure tightness at a second higher level of pressure with an inert gas, and thereafter introducing a fluorine containing gas into the mold at a third level of pressure.
    Type: Grant
    Filed: May 29, 1986
    Date of Patent: May 16, 1989
    Assignee: Audi AG.
    Inventors: Peter Ufer, Siegfried Schaper, Hans-Gunther Haldenwanger, Ingrid Paulus