Patents by Inventor Jianhui Ge

Jianhui Ge 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).

  • Hot working die steel with high thermal strength and high toughness and manufacturing process thereof
    Patent number: 11608550
    Abstract: The present application relates to the technical field of die steel, and particularly discloses a hot working die steel with high thermal strength and high toughness and a manufacturing process thereof. The hot working die steel with high thermal strength and high toughness includes the following components in percentage by mass: 0.20-0.40% of carbon, 0.05-0.20% of silicon, 0.30-0.60% of manganese, 1.00-4.00% of chromium, 0.50-1.50% of molybdenum, 0.20-0.60% of vanadium, 0.60-1.00% of cobalt, 0.06-0.16% of titanium, 0.03-0.08% of yttrium, 0.03-0.08% of niobium, 0.005-0.012% of phosphorus, 0.003-0.008% of sulfur, and a balance of iron and inevitable impurities.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 21, 2023
    Assignee: Rugao Hongmao Heavy-duty Forging Co., Ltd.
    Inventors: Qingchun Zhou, Weiming Xu, Jincai Gu, Jianhui Ge, Bowei Zhao, Junliang Wu, Sheng Ma
  • HOT WORKING DIE STEEL WITH HIGH THERMAL STRENGTH AND HIGH TOUGHNESS AND MANUFACTURING PROCESS THEREOF
    Publication number: 20220372601
    Abstract: The present application relates to the technical field of die steel, and particularly discloses a hot working die steel with high thermal strength and high toughness and a manufacturing process thereof. The hot working die steel with high thermal strength and high toughness includes the following components in percentage by mass: 0.20-0.40% of carbon, 0.05-0.20% of silicon, 0.30-0.60% of manganese, 1.00-4.00% of chromium, 0.50-1.50% of molybdenum, 0.20-0.60% of vanadium, 0.60-1.00% of cobalt, 0.06-0.16% of titanium, 0.03-0.08% of yttrium, 0.03-0.08% of niobium, 0.005-0.012% of phosphorus, 0.003-0.008% of sulfur, and a balance of iron and inevitable impurities.
    Type: Application
    Filed: August 30, 2021
    Publication date: November 24, 2022
    Inventors: Qingchun Zhou, Weiming Xu, Jincai Gu, Jianhui Ge, Bowei Zhao, Junliang Wu, Sheng Ma