Patents by Inventor Antonius T. Rekers

Antonius T. Rekers 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 the spark erosion of hardmeal objects
    Patent number: 5304288
    Abstract: A hardmetal object is cathodically protected from corrosion by a protective electrode during the spark-erosion process, which protective electrode is electrically connected to the hardmetal object via an external power source. The protective electrode is preferably plate-shaped.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: April 19, 1994
    Assignee: U.S. Philips Corporation
    Inventors: Hans De Beurs, Antonius T. Rekers