Patents by Inventor Ernst Johann Hauer

Ernst Johann Hauer 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: 6705642
    Abstract: A device for deflating a gas bag includes a gas bag having a deflation opening which is closed along a breakable, predetermined line. The predetermined breaking line includes a closure element and is breakable by melting or sublimating the closure element.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: March 16, 2004
    Assignees: I.E.E. International Electronics & Engineering S.a r.l., Daimlerchrysler AG
    Inventors: Bogdan Serban, Ernst Johann Hauer, Michel Witte, Volker Petri, Harald Rudolf, Michael Meyer
  • Patent number: 5919539
    Abstract: A method for ultrasonically joining flashspun bonded polyolefin sheets and a seam generated by the method is provided. The method includes the steps of overlapping at least two polyolefin sheet edges, and connecting the overlapped edges by feeding the overlapped portions between an ultrasonic horn and a patterned backup roll. The connected first and second sheet edge portions have a tensile strength across the overlapped and welded portion that is at least 75% of the tensile strength of the sheet material joined. The seam is generated with just one pass between the ultrasonic horn and the patterned backup roll.
    Type: Grant
    Filed: February 12, 1996
    Date of Patent: July 6, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Benyoussef Y. Bisbis, Ernst Johann Hauer