Patents by Inventor Tien-Chih Hong

Tien-Chih Hong 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).

  • AIR CHARGED APPLIANCE
    Publication number: 20030217682
    Abstract: An air charged appliance includes an air chamber and an air sac, made in various shapes for different uses. The air sac is placed in the air chamber and filled up with air to become inflated together with the air chamber, but the both are made separately from each other. The air chamber is not easy to break and able to endure bumping so the air charged appliance can be used for a long period of time.
    Type: Application
    Filed: May 23, 2002
    Publication date: November 27, 2003
    Inventor: Tien-Chih Hong
  • Air charged appliance
    Patent number: 6651725
    Abstract: An air charged appliance includes an air chamber and an air sac, made in various shapes for different uses. The air sac is placed in the air chamber and filled up with air to become inflated together with the air chamber, but the both are made separately from each other. The air chamber is not easy to break and able to endure bumping so the air charged appliance can be used for a long period of time.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: November 25, 2003
    Inventor: Tien-Chih Hong