Patents by Inventor CHIEN-FANG YANG

CHIEN-FANG YANG 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).

  • Eco-friendly fastener structure with lockable stainless steel screw pair
    Patent number: 11454272
    Abstract: The two lockable stainless and lossless screw pairs at two ends of the bolt are provided both to avoid screw pairs stained or destroyed by strain force from loading and to decrease the cost because of energy consumption in traditional process of bolt or its cost from environmental pollution.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: September 27, 2022
    Inventor: Chien-Fang Yang
  • ECO-FRIENDLY FASTENER STRUCTURE WITH LOCKABLE STAINLESS STEEL SCREW PAIR
    Publication number: 20210222725
    Abstract: The two lockable stainless and lossless screw pairs at two ends of the bolt are provided both to avoid screw pairs stained or destroyed by strain force from loading and to decrease the cost because of energy consumption in traditional process of bolt or its cost from environmental pollution.
    Type: Application
    Filed: January 21, 2020
    Publication date: July 22, 2021
    Inventor: CHIEN-FANG YANG