Patents by Inventor Pi-Chiu Liu

Pi-Chiu 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).

  • Lock core
    Publication number: 20090064733
    Abstract: A lock core includes a lock core base, a button, a cover, a connecting member, a bayonet base, a bayonet and two compression springs. It can be applied in diverse locks, such as a transmission lock, a door lock or a safe deposit lock etc, able to achieve an excellent anti-theft effect because it is installed invisibly, locked by just pressing a button and opened without a key and with a remote controller.
    Type: Application
    Filed: September 10, 2007
    Publication date: March 12, 2009
    Inventor: Pi-Chiu Liu