Patents by Inventor YONG-DE PEI

YONG-DE PEI 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).

  • Surface treatment process for metal article
    Patent number: 10662544
    Abstract: A surface treatment process for a metal article provides a uniform and unblemished surface finish to the metal article. The surface treatment process anodizes the metal article to form an anodic oxide layer on a surface, and the metal article is activated using a pre-dyeing solution. The pre-dyeing solution contains complex organic acid and sodium acetate. The anodic oxide layer of the metal article is dyed for color and the dyed anodic oxide layer of the metal article is finally sealed.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: May 26, 2020
    Assignees: HONGFUJIN PRECISION ELECTRONICS (CHENGDU) Co., Ltd., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Xiao-Gang Peng, Kai Fang, Yong-De Pei, Cheng-Bin Bai, Wei Liu, Qi Wang
  • SURFACE TREATMENT PROCESS FOR METAL ARTICLE
    Publication number: 20190161882
    Abstract: A surface treatment process for a metal article provides a uniform and unblemished surface finish to the metal article. The surface treatment process anodizes the metal article to form an anodic oxide layer on a surface, and the metal article is activated using a pre-dyeing solution. The pre-dyeing solution contains complex organic acid and sodium acetate. The anodic oxide layer of the metal article is dyed for color and the dyed anodic oxide layer of the metal article is finally sealed.
    Type: Application
    Filed: January 8, 2018
    Publication date: May 30, 2019
    Inventors: XIAO-GANG PENG, KAI FANG, YONG-DE PEI, CHENG-BIN BAI, WEI LIU, QI WANG