TREA

Qi Zhao

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  • Nashua, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lost foam countergravity casting
    • Patent number 6,453,976
    • Issue date Sep 24, 2002
    • Hitchiner Manufacturing Co., Inc.
    • George D. Chandley
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Passivated titanium aluminide tooling
    • Patent number 6,283,195
    • Issue date Sep 4, 2001
    • Metal Casting Technology, Incorporated
    • George D. Chandley
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Lost foam casting without fold defects
    • Patent number 6,189,598
    • Issue date Feb 20, 2001
    • General Motors Corporation
    • George D. Chandley
    • B22 - CASTING POWDER METALLURGY