Patents by Inventor Chen Wai Xing

Chen Wai Xing 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: 20080271573
    Abstract: A corkscrew includes a ratcheting feature to facilitate insertion of the bit into a closure and a locking feature to facilitate removal of the bit from the closure. A corkscrew also includes a removable bit (e.g., a worm, auger, or the like).
    Type: Application
    Filed: February 7, 2008
    Publication date: November 6, 2008
    Inventors: Aaron Lown, John Roscoe Swartz, Wilson Kwok, Tugrul Akok, Chen Wai Xing