Patents by Inventor Jili Liu

Jili Liu 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).

  • Multi-conductor plug and socket apparatus
    Publication number: 20050052796
    Abstract: An electronic switching circuit system designed to be compatible with coaxial barrel style plug and socket connectors. Specific plug and socket contacts utilize a simple electronic device that causes the switching circuit associated with either or both the plug and socket to be activated only when the plug and socket pair is fully engaged.
    Type: Application
    Filed: September 5, 2003
    Publication date: March 10, 2005
    Inventors: Paul Camwell, Wendall Siemens, Derek Logan, Jili Liu