Patents by Inventor Seung Kuh Lee

Seung Kuh Lee 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).

  • Loader with a controlled vertical path of a working implement
    Patent number: 6325589
    Abstract: A loader with a controlled vertical path of a working implement comprises a frame and a pair of laterally spaced lift booms disposed at opposite lateral sides of the frame for elevational movement between lowered and raised positions, each of the lift booms having a forward free end which carries a working implement and a rear proximal end articulately mounted to the frame. A pair of front control links are arranged on the opposite sides of the frame, each of the front control links having a first end pivotally attached to the frame at a first pivot point and a second end pivotally connected to the rear proximal end of the respective lift boom at a first connection point.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: December 4, 2001
    Assignee: Daewoo Heavy Industries Ltd.
    Inventors: Moo Hwan Jang, Seung Kuh Lee, Nag In Kim