Patents by Inventor Jongjae Shin

Jongjae Shin 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).

  • Patent number: 6893051
    Abstract: Disclosed is a pipe coupling, which can connect pipes in a sealed condition. The pipe coupling includes: a connector body having pipe locking jaws having the same diameter as the inner diameter of a pipe inserted into the pipe coupling, and a taper part gradually reducing the inside space toward a free end of the pipe coupling and opened at a portion of the outer circumference in which a snap ring insertion hole is formed; a packing member inserted and mounted at the lower end of the taper part; a jaw coupling inserted and mounted into the taper part, and having a number of coupling holes for coupling fixing jaws and a seating hole formed in the upper portion thereof; a snap ring located in the seating hole of the jaw coupling, the outer circumference of the snap ring being compressed and inserted into the snap ring insertion hole, both ends of the snap ring being bended in a separated condition and exposed to the outside; and an elastic member interposed between the packing member and the jaw coupling.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: May 17, 2005
    Assignee: Join Top Co., Ltd.
    Inventors: Chul Park, Eounjin Ko, Jongjae Shin, Jiyoung Bang