Patents by Inventor Waltraud Kurz

Waltraud Kurz 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).

  • Method for producing silk felt and composition for carrying out the method
    Patent number: 5038447
    Abstract: A silk felt that comprises an intermediate layer of natural hair and covering layers of silk wadding or oblong. Furthermore, a method for making this silk felt in which an intermediate layer of natural hair is felted together with two covering layers of silk wadding. The textile material according to the invention is distinguished by a high heat and moisture regulation and by low weight.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: August 13, 1991
    Inventors: Traute Schmidt, Waltraud Kurz