Patents by Inventor Jurgen Hufner

Jurgen Hufner 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).

  • Patent number: 5570593
    Abstract: A strand feeding device can be switched from positive strand feed to intermittent strand feed and vice versa. This is achieved with the aid of a strand guide element which is associated with a lower edge of a storage drum and can be adjusted by an electromagnetic setting member selectively to a first position allowing the intermittent strand feed and a second position producing the positive strand feed.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: November 5, 1996
    Assignee: SIPRA Patententwicklungs-und Beteiligungs Gesellschaft mbH
    Inventors: Paul Neher, Jurgen Hufner