Patents by Inventor Hugo Sand Jensen

Hugo Sand Jensen 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).

  • Thread cutter for sewing machines
    Patent number: 3962980
    Abstract: A suction tube is disposed closely adjacent a continuously operating chain thread cutting mechanism at right angles to the normal movement of the thread chain, the assembly being removably mounted on the free end of the arm of a sewing machine of the feed-off-the-arm or flatlock type.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: June 15, 1976
    Assignee: Rothenborg Patent & Licens K/S
    Inventors: Arne Marius Hedegaard, Hugo Sand Jensen