Patents by Inventor Yeong H. Yuen

Yeong H. Yuen 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: 4796821
    Abstract: A reciprocating cutting apparatus for cutting living plant material. The cutting apparatus includes a frame. A reciprocating cutting assembly is mounted at one end of the frame for cutting the materials. The frame includes structure for synchronizing the feeding of the materials with the cutting assembly. The living plant material is fed into the cutting assembly in the upward stroke and held still on the downward or cutting stroke. The cutting assembly can be adjusted for cutting the desired strip width of living plant material. The cutting apparatus further includes structure mounted on the frame which applies pressure to the living plant material just prior to the living plant material being cut.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: January 10, 1989
    Assignee: P. T. Panamas
    Inventors: Liem T. Pao, Yeong H. Yuen, Dan T. Wu