Patents by Inventor Liu Te-Chang

Liu Te-Chang 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).

  • Structure for sharing batteries
    Patent number: 6228517
    Abstract: A structure for sharing batteries comprises a No. 1 battery converter, a No. 2 battery converter, and a No. 3 battery converter. The No. 3 battery converter may be inserted by a No. 4 battery so as to be used as a No. 3 battery. The No. 2 battery converter may be inserted by a No. 3 battery so as to be used as a No. 2 battery. The No. 2 battery converter may be inserted by a No. 1 battery so as to be used as a No. 1 battery. The No. 1 battery converter may be inserted by a No. 3 battery so as to be used as a No. 1 battery. Thus, the batteries can be used conveniently. Moreover, the No. 3 battery converter is inserted into the No. 2 battery converter, and then the No. 2 battery converter is inserted into the No. 1 battery converter so as to be easily stored and carried.
    Type: Grant
    Filed: May 15, 1999
    Date of Patent: May 8, 2001
    Inventors: Chang Chih-Chang, Liu Te-Chang