Patents by Inventor QUN-GAO HU

QUN-GAO HU 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 DYEING PROCESS FOR METAL ARTICLES
    Publication number: 20080149492
    Abstract: A surface treatment process for a metal article includes the following steps. Firstly, a metal article is provided. Secondly, the metal article is anodized to form an anodic oxide layer on a surface thereof. Thirdly, the surface of the metal article is rinsed. Fourthly, the surface of the metal article is dyed. Fifthly, the now-dyed anodic oxide layer of the metal article is sealed. Finally, the metal article is rinsed using an acetic acid solution.
    Type: Application
    Filed: June 27, 2007
    Publication date: June 26, 2008
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO.,LTD., SUTECH TRADING LIMITED
    Inventors: CHIH-PEN LIN, YONG ZHANG, ZHI-YONG RAO, ZHAN-GANG ZHU, QUN-GAO HU
  • RACK APPARATUS WITH RETAINING ELEMENT
    Publication number: 20080149577
    Abstract: A rack apparatus (100) includes a frame (110) and a plurality of retaining members (160) mounted on the frame. Each retaining member includes a plurality of retaining elements (166). Each retaining element includes a bracket (1662) and at least two arms (1664), an arm being respectively attached to each corresponding end of the bracket. Each arm includes a retaining portion (1668) bounding at least one opening (1669) therein.
    Type: Application
    Filed: March 9, 2007
    Publication date: June 26, 2008
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRIAL CO,.LTD., SUTECH TRADING LIMITED
    Inventors: CHIH-PEN LIN, YONG ZHANG, YUN HONG, ZHAN-GANG ZHU, QUN-GAO HU