Patents by Inventor Paul Gutjahr

Paul Gutjahr 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).

  • Device for positioning overlapping ends of a looped band in a working area of an automatic packaging machine
    Patent number: 3946659
    Abstract: A device for positioning overlapping ends of a looped band in a working area of an automatic packaging machine. The device includes a first slider on one side of the working area and a second slider on the other side of the working area. A driving mechanism coupled to the slider moves them toward each other up to a predetermined distance corresponding to the width of the band in the working area of the packaging machine.
    Type: Grant
    Filed: January 10, 1974
    Date of Patent: March 30, 1976
    Assignee: Erapa AG
    Inventors: Paul Gutjahr, Hans Luthi, Rene Wasser