Patents by Inventor Zhang Junsheng

Zhang Junsheng 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).

  • Reinforced concrete load-bearing pile forming device
    Patent number: 5219249
    Abstract: This invention relates to a reinforced concrete load-bearing pile with multi-branches and enlarged footings for reinforcing foundations, and means and method for forming such a pile. The load-bearing pile of the invention comprises a pile body, and at least one branch and enlarged footing integrated with the pile body. The means for forming the pile comprises a pile cavity drilling/pressing device, a branch cavity pressing device and an enlarged footing cavity pressing device. The method for forming the pile comprises forming a pile cavity, consolidating the base and surroundings of the cavities forming a branch cavity, forming an enlarged footing cavity, and casting the pile.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: June 15, 1993
    Inventors: Zhang Junsheng, Xu Yangin
  • Reinforced concrete load-bearing pile with multi-branches and enlarged footings, and means and method for forming the pile
    Patent number: 5122013
    Abstract: This invention relates to a reinforced concrete load-bearing pile with multi-branches and enlarged footings for reinforcing foundations, and means and method for forming such a pile. The load-bearing pile of the invention comprises a pile body, and at least one branch and enlarged footing integrated with the pile body. The means for forming the pile comprises a pile cavity drilling/pressing device, a branch cavity pressing device and an enlarged footing cavity pressing device. The method for forming the pile comprises forming a pile cavity, consolidating the base and surroundings of the cavities forming a branch cavity, forming an enlarged footing cavity, and casting the pile.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: June 16, 1992
    Inventors: Zhang Junsheng, Xu Yangin