Patents by Inventor Oinghao Yang

Oinghao Yang 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).

  • Single-stack tool rack
    Patent number: 6648390
    Abstract: A single-stack tool rack is constructed to include a base having an upright pivot shaft, a plurality of tool boxes respectively pivoted to the upright shaft and arranged into a stack for keeping tools and/or accessories, a swivel case pivoted to the base and turned in and out of a bottom open chamber of the base for keeping tool bits, and a carrying handle formed of a handle body and a detachable hand tool and coupled to the upright pivot shaft of the base at the top.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: November 18, 2003
    Assignee: Global Industries Holdings Ltd.
    Inventor: Oinghao Yang
  • Single-stack hardware box
    Patent number: D471358
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: March 11, 2003
    Assignee: Global Industries Holdings Ltd.
    Inventor: Oinghao Yang
  • Double-stack hardware box
    Patent number: D471359
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: March 11, 2003
    Assignee: Global Industries Holdings Ltd.
    Inventor: Oinghao Yang