Patents by Inventor Sung Kyo Chang

Sung Kyo 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).

  • Hydraulic system for driving axial piston type hydraulic motor
    Patent number: 5836160
    Abstract: A hydraulic system for driving an axial piston type hydraulic motor wherein a swash plate can tilt at a right angle relative to a shaft.
    Type: Grant
    Filed: December 10, 1996
    Date of Patent: November 17, 1998
    Assignee: Samsung Heavy Industries Co., Ltd.
    Inventor: Sung Kyo Chang