Patents by Inventor Rudolf Eberle

Rudolf Eberle 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).

  • Patent number: 4681664
    Abstract: Pieces of jewelry made from metal, particularly precious metal, are produced galvanoplastically, in that the precious metal is electrodeposited on an electrically conductive mould core having the spatial contour of the piece of jewelry and on reaching the desired coating thickness the mould core material is dissolved chemically or thermally from the jewelry body. In order to produce pieces of jewelry or parts thereof, which are exposed to mechanical stresses, the hollow jewelry body obtained is provided with a solid area made from the same metal in those parts of the jewelry item undergoing more pronounced mechanical stressing during further working or correct use. In this way, e.g.
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: July 21, 1987
    Assignee: Juwedor GmbH
    Inventors: Rudolf Eberle, Wilfried Essert, Herbert Kull