Patents by Inventor Chin-Chu LIU

Chin-Chu LIU 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).

  • Publication number: 20150377354
    Abstract: The present invention provides a nozzle sealing structure for metal gas pipes, which comprises a metal gas pipe and a seal. The seal is to cover the nozzle of the metal gas pipe, and has appropriate elasticity. Its outer side is configured with a conical surface. The seal is elastically fixed inside the nozzle of the metal gas pipe through the conical surface. The structure features easy assembly, perfect sealing, no pollution to the environment, and no harm to human health.
    Type: Application
    Filed: June 26, 2014
    Publication date: December 31, 2015
    Inventors: Pao-Chi CHANG, Chin-Chu LIU