Patents by Inventor Ju-Yi Chang

Ju-Yi Chang 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).

  • Block assembly
    Patent number: 8771032
    Abstract: A block assembly includes at least two blocks detachably connected with each other. Each of the blocks includes a main body having a bottom provided with a receiving space, at least one connecting knob formed on a top of the main body, a plurality of positioning rails formed on a peripheral wall of the receiving space, and at least one positioning piece located in the receiving space. The positioning piece has a periphery provided with at least four arcuate positioning faces. Thus, when the connecting knob of the first one of the blocks is inserted between the positioning piece and the positioning rails of the second one of the blocks, one of the positioning faces of the positioning piece covers and presses the periphery of the connecting knob of the first one of the blocks.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: July 8, 2014
    Assignee: Delsun Co., Ltd.
    Inventors: Ju-Yi Chang, Feng-Jun Lo, Yung-Teng Lo
  • Block Assembly
    Publication number: 20130252504
    Abstract: A block assembly includes at least two blocks detachably connected with each other. Each of the blocks includes a main body having a bottom provided with a receiving space, at least one connecting knob formed on a top of the main body, a plurality of positioning rails formed on a peripheral wall of the receiving space, and at least one positioning piece located in the receiving space. The positioning piece has a periphery provided with at least four arcuate positioning faces. Thus, when the connecting knob of the first one of the blocks is inserted between the positioning piece and the positioning rails of the second one of the blocks, one of the positioning faces of the positioning piece covers and presses the periphery of the connecting knob of the first one of the blocks.
    Type: Application
    Filed: March 23, 2012
    Publication date: September 26, 2013
    Inventors: Ju-Yi Chang, Feng-Jun Lo, Yung-Teng Lo