Patents by Inventor Andre Demeuter

Andre Demeuter 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: 5743777
    Abstract: The present invention relates to a spark plug electrode (14) of a first material having good thermal conductivity having a core (24) of a second material having good corrosion resistance. The first material may be copper, or a copper alloy, and the second material may be nickel, a nickel alloy, silver, or a silver alloy. The electrode (14) may be produced by a method comprising the steps of: providing a tubular cup (28) formed of the first material; positioning a billet (34) of the second material within the cup (28); and extruding the assembled cup and billet.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: April 28, 1998
    Assignee: Cooper Industries, Inc.
    Inventor: Andre Demeuter