Patents by Inventor Hsien Chun Shih

Hsien Chun Shih 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: 6036114
    Abstract: A pressure controlling device of a paint container for use in conjunction with a paint spray gun is composed of a pressure stabilizing plug capable of regulating the air discharge in accordance with the magnitude of the air pressure that is admitted to the paint container. The device is further composed of an air valve piece capable of displacing to control the entry of an appropriate amount of air into the paint container so as to keep the air pressure of the paint container constant. The device is provided with an adjustment nut for adjusting the elastic force of the pressure stabilizing plug in accordance with the desired thickness of a coating.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: March 14, 2000
    Assignee: Ding Rong Enterprise Co., Ltd.
    Inventor: Hsien Chun Shih