Patents by Inventor Heinz Bussmann

Heinz Bussmann 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).

  • Arrangement for adjusting and measuring web tension levels
    Patent number: 4014491
    Abstract: The tension level of moving webs of material is adjusted or measured and regulated by means of a guide roller mounted on parallel swing arms which include an angle 0 <.alpha. <90.degree. with the horizontal, .alpha. lying in an angular range of .+-. 15.degree. around the value .alpha..sub.M at which the traction applied to the web by the guide roller is at a minimum.
    Type: Grant
    Filed: November 6, 1974
    Date of Patent: March 29, 1977
    Assignee: AGFA-Gevaert, A.G.
    Inventors: Hans Gref, Wolfgang Schweicher, Hans Frenken, Heinz Bussmann, Karl Voss, Helmut Schaffer, Willi Junkersdorf