Patents by Inventor Hein Schoenau

Hein Schoenau 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).

  • Embossing device for embossing the edge of round blanks
    Patent number: 6244089
    Abstract: A device for embossing the edge of round blanks, in particular coins, has a forming wheel which is provided with roll-forming segments. The forming wheel has associated abutment elements which may likewise be mounted on forming wheels. A positioning device guides the round blanks, in coordination with the equally directed synchronous rotation of the forming wheels between the forming wheels and, after edge embossing has taken place out of the wheel interspaces.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: June 12, 2001
    Assignee: Schuler Pressen GmbH & Co. KG
    Inventors: Hein Schoenau, John Stobart