Patents by Inventor Ching Che Chen

Ching Che Chen 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: 20140208476
    Abstract: A welding helmet is provided with a housing including a pivotal head band, a forward window, and a shield disposed on the window and including an opening being forwardly of the window; and a visor including a frame secured to the housing, an upper tinted lens disposed on the frame, a lower transparent lens disposed on the frame, the lower transparent lens being at an angle with respect to the upper tinted lens, and a pivotal panel disposed between two sides of the shield to separate the opening into two parts. A wearer may view the tinted lens under welding conditions or view the transparent lens after welding.
    Type: Application
    Filed: January 29, 2013
    Publication date: July 31, 2014
    Inventors: Huang Chi Chen, Ching Che Chen, Ying Cheng Chen, Sheng Yuan Chen