Patents by Inventor Peter Thietz

Peter Thietz 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).

  • Process for high frequency heat sealing of textile sheet members
    Patent number: 4276109
    Abstract: Process for forming seams in textile structures free of individually high frequency heat sealable components. Textile structure is subjected to a high frequency current to produce seams. Structure contains first fiber component that does not become thermoplastic within the field, but becomes heated. A second fiber component becomes thermoplastic from heat generated in the first component. First component may be polyacrylonitrile; second may be polyester, texturized polyester silk or polypropylene. A third component may be added for reinforcement and fluffiness.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: June 30, 1981
    Inventors: Ingo Siewert, Manfred Klaue, Peter Thietz