Patents by Inventor Rupert Igmann

Rupert Igmann 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).

  • Hand-wheel for a valve
    Patent number: D306898
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: March 27, 1990
    Assignee: Voest-Alpine Aktiengesellschaft
    Inventors: Gunter Funk, Werner Lego, Werner Seir, Rupert Igmann