Patents by Inventor Eberhard Bergen

Eberhard Bergen 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: 5768875
    Abstract: The invention concerns a filter fabric consisting of a core yarn having a reversible elongation of at least 20 to 50%, the fabric being intended for use in the manufacture of airbags for vehicles. The yarn consists of a thermally stable thermoplastic core filament yarn (1) round which is braided or spun a heat-resistant outer layer (2) or which is coated, or coated by vapor deposition, with a heat-resistant layer (2).
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: June 23, 1998
    Assignee: Rhone-Poulenc Viscosuisse S.A.
    Inventor: Eberhard Bergen
  • Patent number: 5693392
    Abstract: An uncoated fabric with linen or ripstop binding of a polyamide filament yarn with a fibril titer of 1.5 to 7 dtex, a strength of 50 to 80 cN/tex and an elongation of 15 to 30%, for producing an impact gas bag (airbag), characterized in that the fabric simultaneously has an air permeability of <1/dm.sup.2 /min, a residual boiling shrinkage of <2%, and a tear propagation strength in warp and weft of >110 N.
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: December 2, 1997
    Assignee: Rhone-Poulenc Viscosuisse S.A.
    Inventors: Eberhard Bergen, Remi Lalonde, Bruno Lang