Patents Assigned to Vapor Technologies, Inc.
  • Patent number: 4828934
    Abstract: Ceramic substrates, e.g. of silicon carbide or silicon nitride are protected against mechanical surface wear at high temperatures by an arc coating with a refractory metal followed by coating with another metal and then with a wear-reducing high density layer, e.g. of a metal oxide, nitride or carbide.
    Type: Grant
    Filed: December 12, 1986
    Date of Patent: May 9, 1989
    Assignee: Vapor Technologies, Inc.
    Inventor: Eduard Pinkhasov