Patents by Inventor Tingzong Sun

Tingzong Sun 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).

  • Seedlings transplanting machine
    Patent number: 5445089
    Abstract: A seedlings transplanting machine, which includes a machine base having a platform at the top and a rail transversely disposed above platform and reciprocated longitudinally, a sliding frame placed on the platform and reciprocated along the rail to carry a seedling tray, a first transmission mechanism controlled to move the sliding frame along the rail, a second transmission mechanism controlled to reciprocate the rail longitudinally, a seedling drop unit controlled to draw seedlings away from the tray and then to plant the seedlings in the soil.
    Type: Grant
    Filed: July 27, 1994
    Date of Patent: August 29, 1995
    Inventors: Chong L. Houng, Po-Ching Wang, Lu Kuei-Lin, Tingzong Sun, Yunxiang Fan, Ziwan Yang, Xiourong Wang