Patents by Inventor Hsuan-Han LAI

Hsuan-Han LAI 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: 20130299460
    Abstract: A hardfacing submerged arc welding device includes an alloy-powder supplying unit for supplying alloy powders onto a workpiece, a flux-powder supplying unit for supplying flux powders onto the workpiece, and a welding-wire supplying unit for supplying a welding wire onto the workpiece.
    Type: Application
    Filed: March 13, 2013
    Publication date: November 14, 2013
    Applicant: National Chung -Hsing University
    Inventors: Wei-Te WU, Hsuan-Han LAI, Li-Yin KUO, Chia-Hsien Li, I-Chin CHOU, Chia-Ming CHANG, Shun-Pao SHIH