Patents by Inventor Gernot K. Buerger

Gernot K. Buerger 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).

  • Nonwoven composite material and method for making same
    Patent number: 5652041
    Abstract: The invention features a nonwoven composite material which includes a layer of staple fiber aligned surface-to-surface with a spunbonded continuous filament web layer, the layers being continuously thermally bonded.
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: July 29, 1997
    Inventors: Gernot K. Buerger, Ralph Krueger, Rocky Noell, Wolfgang Pfeiffer
  • Polyester heat bonded product
    Patent number: 4904523
    Abstract: Disclosed is a nonwoven fabric which is a nonspunbonded fabric and has a surface free of standing fibers and a method for making the same. The fabric is useful as a support for case on coatings to form a composite for TFC membrane filters. The fabric is formed of a first layer having binder fiber and matrix fiber. A second layer of 100 percent binder fiber is cast thereon. The binder fiber has a softening point lower than the melting point of the matrix fiber. The first and second layers are bonded by heat and pressure to form the fabric.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: February 27, 1990
    Assignee: Pellon Company
    Inventors: Quentin L. Kampf, Chester J. Petkiewicz, Gernot K. Buerger