Patents by Inventor Gye-Sung Wi

Gye-Sung Wi 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: 5438794
    Abstract: A system for cultivating and managing various crops according to the present invention provides a vinyl house A incorporating a spacious cultivation area therein without the use of supporting pillars, a track rail structure B and a track car C for easily conveying harvests and various units necessary for cultivation in the cultivation area, an agricultural chemicals spraying unit D for preventing the crops from being damaged by blight and harmful insects, and a heating unit E for producing warm air in cold weather and furnishing the air to the crops on the levees G through ducts F, whereby cultivating the crops even in cold weather due to the warm indoor air and producing the crops all year regardless of the change of seasons.
    Type: Grant
    Filed: April 9, 1993
    Date of Patent: August 8, 1995
    Inventor: Gye-Sung Wi