Patents by Inventor Hans Pscheidl

Hans Pscheidl 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 the production of effect yarns
    Patent number: 3939632
    Abstract: Producing effect yarns using the false twist principle by varying the twist density in the heater zone to alter the degree of bulk and thus the texture along the length of the finished yarn.
    Type: Grant
    Filed: May 14, 1973
    Date of Patent: February 24, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Werner Doschko, Hans Pscheidl