Patents by Inventor Wu P. Chen

Wu P. 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).

  • Lock devices, systems and methods
    Patent number: 9441401
    Abstract: Disclosed are various embodiments of lock devices, systems, and methods. A lock of the application can include an internal mechanism to permit backdriven operation and lost motion operation. In one form the lock can be made from an assembly of parts that have locating features that require one way installation/assembly. The lock can include an internal power source capable of driving electronics used to determine handedness of a door.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: September 13, 2016
    Assignee: Schlage Lock Company LLC
    Inventors: Frank A. Nardelli, Wu P. Chen, Brian A. Telljohann, William B. Ainley