Patents by Inventor Guo PINGCHUANG

Guo PINGCHUANG 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).

  • LONG-LIFE ALUMINUM ALLOY WITH A HIGH CORROSION RESISTANCE AND HELICALLY GROOVED TUBE PRODUCED FROM THE ALLOY
    Publication number: 20220259704
    Abstract: An aluminium alloy including 1.0-1.5 wt % Mn, up to 0.1 wt % Mg, up to 0.3 wt % Si, up to 0.3 wt % Fe, up to 0.1 wt % Cu, up to 0.25 wt % Cr, up to 0.1 wt % Ni, up to 0.3 wt % Zn, up to 0.1% Ti, up to 0.2 Zr. The allow also includes impurities, each no more than 0.05 wt. % and wherein the total of impurities is no more than 0.15 wt. %, with the balance being aluminum.
    Type: Application
    Filed: November 21, 2019
    Publication date: August 18, 2022
    Inventors: Minxia LI, Arvid ESPEDAL, Nagaraj V. GOVINDARAJ, Ole Johannes EMMERHOFF, Guo PINGCHUANG, Jinghui SU, Hongping XU