Patents by Inventor Herbert Preiss

Herbert Preiss 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).

  • Apparatus for the heat treatment of running threads by means of saturated steam
    Patent number: 4100660
    Abstract: Running threads are fed through a heating chamber containing saturated steam by means of specially designed shutters. The thread is heated over a short section of the path so that the heating apparatus takes up little space even at high thread speeds.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: July 18, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Franz Nemecek, Edgar Muschelknautz, Wolfgang Lindner, Herbert Preiss