Patents by Inventor Christian K. Böttger

Christian K. Böttger 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).

  • Penetration-resistant material and articles made of the same
    Patent number: 7153790
    Abstract: A penetration-resistant material is described to include at least a double layer of woven fabric, wherein the double layer includes a first layer of fabric composed of a first set of threads having 3.5 to 20 threads/cm, having a linear density of at least 210 dtex, and composing at least 65% of the first layer fabric weight, and a second set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being transverse to the first set of threads, and the ratio of the number of threads/cm of the first set to that of the second set is greater than 1:1, and a second layer of fabric composed of a first set of threads having 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, and a second set of threads having 3.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: December 26, 2006
    Assignee: Teijin Twaron GmbH
    Inventors: Christian K. Böttger, Rüdiger Hartert, Kurt R. Stolze, Achim G. Fels