Patents by Inventor Norbert Prum

Norbert Prum 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: 5639360
    Abstract: The present invention relates to an electrode preferably an insoluble electrode for an electrolytic cell. The electrode is located within an enclosure defining a chamber, a wall of said enclosure being formed by a membrane allowing ions to pass therethrough. The enclosure has an opening for feeding electrolyte, an opening for evacuating electrolyte and means conducting the upward current of electrolyte with a velocity in the vicinity of the electrode of at least 0.01 m/s. The invention relates also to plants and processes using such electrode for the plating or deplating of metal strips.
    Type: Grant
    Filed: February 23, 1994
    Date of Patent: June 17, 1997
    Assignees: Sikel N.V., Hans Josef May, Roland Schnettler
    Inventors: Norbert Prum, Roland Schnettler, Hans Josef May