Patents by Inventor Klaus Schwoebel

Klaus Schwoebel 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: 11668032
    Abstract: A nonwoven includes: framework fibers; an at least in part fused thermoplastic material; and a thermally embossed mesh pattern having a plurality of intersecting embossed grooves, between which a plurality of embossed elevations are arranged. At least the framework fibers are staple fibers. An equivalent diameter of the embossed elevations is smaller than 50% of a fiber length of the framework fibers. A ratio of a width of the embossed grooves to a thickness of the nonwoven in a region of the embossed elevations is less than or equal to 4/5 A ratio of the width of the embossed grooves to a thickness of the nonwoven in a region of the embossed grooves is from 0.5 to 2.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: June 6, 2023
    Assignee: CARL FREUDENBERG KG
    Inventors: Norbert Weis, Christoph Rieger, Klaus Schwoebel, Dieter Philipp
  • Publication number: 20210189619
    Abstract: A nonwoven includes: framework fibers; an at least in part fused thermoplastic material; and a thermally embossed mesh pattern having a plurality of intersecting embossed grooves, between which a plurality of embossed elevations are arranged. At least the framework fibers are staple fibers. An equivalent diameter of the embossed elevations is smaller than 50% of a fiber length of the framework fibers. A ratio of a width of the embossed grooves to a thickness of the nonwoven in a region of the embossed elevations is less than or equal to 4/5 A ratio of the width of the embossed grooves to a thickness of the nonwoven in a region of the embossed grooves is from 0.5 to 2.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 24, 2021
    Inventors: Norbert Weis, Christoph Rieger, Klaus Schwoebel, Dieter Philipp