Patents by Inventor Youming Wang

Youming Wang 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).

  • Process for preparing rare earth containing hard alloy
    Patent number: 5248328
    Abstract: This invention discloses a process for preparing rare earth containing hard alloy, comprising preparing metal carbide powder containing rare earth metals or cobalt powder containing rare earth metals by using wet coprecipitating method; according to the composition of alloy, at least one kind of the metal carbide powder containing rare earth metal and cobalt powder containing rare metals being mixed homogeneously with other raw materials, shaping and finally sintering under high temperature. The process of the invention is simple technologically. The properties of the products produced by the process of the invention are good, stable and repeatable.
    Type: Grant
    Filed: July 16, 1991
    Date of Patent: September 28, 1993
    Assignee: General Research Institute For Non-Ferrous Metals
    Inventors: Congxun He, Chenguang Lin, Youming Wang, Yunhua Shi