Patents by Inventor Byeong G. Seong

Byeong G. Seong 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).

  • Heat resistant stainless steel coated by diffusion of aluminum and the coating method thereof
    Patent number: 5334416
    Abstract: A heat resistant stainless steel coated by diffusion of aluminum and a method of aluminum diffusion coating for heat resistant stainless steels containing nickel and chromium. The stainless steel is buried in a diffusion coating pack powder composed of an aluminum source, an activator and inert filler materials. The coating is heat treated to form a chromium-rich intermediate layer without forming an interdiffusion layer containing aluminide precipitates under an aluminide layer.
    Type: Grant
    Filed: December 23, 1992
    Date of Patent: August 2, 1994
    Assignees: Pohang Iron & Steel Co., Ltd., Research Institute of Industrial Science & Technology
    Inventors: Byeong G. Seong, Soon Y. Hwang, Jin H. Song, Kyoo Y. Kim