Patents by Inventor Zhaoyuan LIU

Zhaoyuan LIU 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).

  • Patent number: 11667988
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: June 6, 2023
    Assignee: Ironovation Materials Technology Co., Ltd.
    Inventors: Hongliang Yi, Zhiyuan Chang, Zhaoyuan Liu, Dapeng Yang, Xiaochuan Xiong
  • Patent number: 11578382
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: February 14, 2023
    Assignee: Ironovation Materials Technology Co., Ltd.
    Inventors: Hongliang Yi, Zhiyuan Chang, Zhaoyuan Liu, Dapeng Yang, Xiaochuan Xiong
  • Publication number: 20220325370
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 13, 2022
    Applicant: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang YI, Zhiyuan CHANG, Zhaoyuan LIU, Dapeng YANG, Xiaochuan XIONG
  • Publication number: 20220119911
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Application
    Filed: January 3, 2022
    Publication date: April 21, 2022
    Applicant: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang YI, Zhiyuan CHANG, Zhaoyuan LIU, Dapeng YANG, Xiaochuan XIONG
  • Patent number: 11248276
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: February 15, 2022
    Assignee: Ironovation Materials Technology Co., Ltd.
    Inventors: Hongliang Yi, Zhiyuan Chang, Zhaoyuan Liu, Dapeng Yang, Xiaochuan Xiong
  • Publication number: 20200385836
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Application
    Filed: December 27, 2018
    Publication date: December 10, 2020
    Applicant: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang YI, Zhiyuan CHANG, Zhaoyuan LIU, Dapeng YANG, Xiaochuan XIONG