Patents by Inventor Martin Kurpjoweit

Martin Kurpjoweit 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).

  • Method of and device for inspecting and/or controlling metallization processes
    Patent number: 4939370
    Abstract: A method for checking and/or controlling a metallization process in a galvanizing or chemical is based on the measurement of light scattered off or reflected from a surface portion being metallized. A deviation from a predetermined nominal value of the scattered or reflected light intensity serves for controlling at least one process parameter to neutralize the deviation.
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: July 3, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Heinrich Meyer, Waldfried J. L. Plieth, Martin Kurpjoweit
  • Aqueous alkaline bath and process for electrodeposition of a zinc-iron alloy
    Patent number: 4923575
    Abstract: The aqueous alkaline bath for electrochemical deposition of a zinc-iron alloy according to our invention contains a zincate and a compound of iron with a sugar. Advantageously sugar including monosaccharides, trisaccharides and disaccharides such as sucrose are used to form this iron compound. The iron compound may be an iron saccharate. An alloy with superior corrosion resistance is the product of an electrochemical deposition using this bath.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: May 8, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Voss, Martin Kurpjoweit, Wolfgang Richter