Patents Examined by Robert Stoll
  • Method of recovering metal carbides
    Patent number: 4466945
    Abstract: Metal carbide is reclaimed from scrap by sorting the scrap to separate pieces of cemented carbide having similar composition and grain size and treating the separated portion to form metal carbide grains which may be resintered with metal binder to obtain cemented carbides having grain characteristics similar to the starting material.
    Type: Grant
    Filed: August 8, 1983
    Date of Patent: August 21, 1984
    Assignee: GTE Products Corporation
    Inventors: Richard F. Cheney, Anil Bansal