Patents by Inventor Yuliang QI

Yuliang QI 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).

  • Quick coupling for pipe pile
    Patent number: 9359738
    Abstract: The present invention relates to a quick coupling for pipe pile, comprising an upper end plate, a lower end plate and a screw hook made of spring steel for coupling the upper and lower end plate, a plurality of tapped holes are uniformly provided on the upper end plate, a plurality of holes corresponding to the tapped holes are provided on the lower end plate, a lock hole is positioned at the lower portion of the hole, while the cross-section area of the lock hole is bigger than the cross-section area of the hole. One end of the screw hook is provided with a screw end mating with the tapped hole on the upper end plate, while the other end is provided with a hook end mating with the lock hole on the lower end plate, whereby the upper and lower end plate can be coupled firmly.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: June 7, 2016
    Assignees: Guangzhou Institute of Building Science Co., Ltd., Technology Development Center of Guangzhou Institute of Building Science Co., Ltd.
    Inventors: Yuliang Qi, Mengxiong Tang, Hesong Hu
  • QUICK COUPLING FOR PIPE PILE
    Publication number: 20150063923
    Abstract: The present invention relates to a quick coupling for pipe pile, comprising an upper end plate, a lower end plate and a screw hook made of spring steel for coupling the upper and lower end plate, a plurality of tapped holes are uniformly provided on the upper end plate, a plurality of holes corresponding to the tapped holes are provided on the lower end plate, a lock hole is positioned at the lower portion of the hole, while the cross-section area of the lock hole is bigger than the cross-section area of the hole. One end of the screw hook is provided with a screw end mating with the tapped hole on the upper end plate, while the other end is provided with a hook end mating with the lock hole on the lower end plate, whereby the upper and lower end plate can be coupled firmly.
    Type: Application
    Filed: August 27, 2014
    Publication date: March 5, 2015
    Inventors: Yuliang QI, Mengxiong TANG, Hesong HU