Patents by Inventor Chen J. Shen

Chen J. Shen 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).

  • Construction assembly
    Patent number: 5122015
    Abstract: A wall or a sea wall is formed by a number of female blocks and a number of male blocks which can be coupled together and which are parallelepiped. Each female block has a recess formed in the middle portion of the upper surface and in the lower surface so that a pair of flanges are formed on each side of each of the recesses. Each male block has a protrusion formed on each corner area. Two adjacent protrusions of two male blocks can be received in the recess of the female block so that the male blocks and the female blocks can be stably coupled together.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: June 16, 1992
    Inventor: Chen J. Shen