Patents by Inventor Wilfried Thoma

Wilfried Thoma 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 of manufacturing air textured threads
    Patent number: 6055712
    Abstract: Method of manufacturing air textured threads comprising at least one ground thread and at least one effect thread, wherein at least the ground thread is drafted before it is fed, together with the effect thread, to a texturizing unit and wherein the texturized yarn consisting of ground and effect threads is heated. A ground thread is used with a fineness between 80 and 200 dtex and an effect thread is used with a fineness between 60 and 165 dtex, with the effect thread being finer than the ground thread.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: May 2, 2000
    Assignee: Guetermann AG
    Inventor: Wilfried Thoma