Patents by Inventor Chiang Chuan-Shiang

Chiang Chuan-Shiang 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).

  • Inflating and heat sealing apparatus for plastic packing bags
    Patent number: 5070675
    Abstract: Disclosed is an apparatus for inflating and heat sealing plastic packing bags. The apparatus includes inflating means, heat sealing means, and automatic control means. The configuration of the apparatus is arranged in order to facilitate the procedures in automation. That is, after manually attaching a packing bag to the nozzle of the apparatus, the subsequent procedures of inflating and heat sealing are all automatically performed by the apparatus.
    Type: Grant
    Filed: March 1, 1991
    Date of Patent: December 10, 1991
    Assignee: Jen-Wei Lin
    Inventor: Chiang Chuan-Shiang