Patents by Inventor Dongmei Xin

Dongmei Xin 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).

  • Spray-formed high-speed steel
    Patent number: 10233519
    Abstract: A spray-formed high-speed steel includes chemical components by mass percent of: C: 0.85-1.65%, Si: 0.1-1.2%, Cr: 3.5-8.0%, W: 4.0-6.5%, Mo: 4.5-7.0%, V: 1.0-4.0%, Co: 1.0-8.0%, Mn: 0.2-0.8%, and Nb: 0.2-3.5%, with balance of iron and impurities.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: March 19, 2019
    Assignees: HEYE SPECIAL STEEL CO., LTD., ADVANCED TECHNOLOGY&MATERIALS CO., LTD.
    Inventors: Lizhi Wu, Xiaoming Li, Yunfeng Yang, Chunjiang Kuang, Dongmei Xin, Liqing Shao, Yucheng Fang
  • Spray-formed high-speed steel
    Publication number: 20170204502
    Abstract: A spray-formed high-speed steel includes chemical components by mass percent of: C: 0.85-1.65%, Si: 0.1-1.2%, Cr: 3.5-8.0%, W: 4.0-6.5%, Mo: 4.5-7.0%, V: 1.0-4.0%, Co: 1.0-8.0%, Mn: 0.2-0.8%, and Nb: 0.2-3.5%, with balance of iron and impurities.
    Type: Application
    Filed: September 30, 2015
    Publication date: July 20, 2017
    Inventors: Lizhi Wu, Xiaoming Li, Yunfeng Yang, Chunjiang Kuang, Dongmei Xin, Liqing Shao, Yucheng Fang