Patents by Inventor Alfred Kalb

Alfred Kalb 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).

  • Container tension ring closure
    Patent number: 5020839
    Abstract: A tension ring closure device for containers having a lever means for drawing together opposite ends of the ring for closure. The ring may be locked by means of a shackle extending from the ring through the tensioning lever and a second shackle-like loop extending from one end of the ring and through an opening in the other ring end.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: June 4, 1991
    Assignee: Mauser-Werke GmbH
    Inventor: Alfred Kalb