Patents by Inventor Mei-Feng Yen

Mei-Feng Yen 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).

  • Flashlight with heat-dissipation device
    Patent number: 6921181
    Abstract: A flashlight structure with a heat-dissipation device is disclosed. The flashlight structure includes a base having a conducting point isolated with the base; a high-power luminary disposed on the base and having an anode electrode connecting with the conducting point and a cathode electrode connecting with the base; a power source having a positive terminal connecting to the conducting point and a negative terminal connecting to the base for providing the luminary with power; and a housing including the base and having plural heat sink for dissipating the heat produced by the high-power luminary, thereby preventing the flashlight from damage of device or diminution of use life.
    Type: Grant
    Filed: July 7, 2003
    Date of Patent: July 26, 2005
    Inventor: Mei-Feng Yen
  • Flashlight with heat-Dissipation device
    Publication number: 20050007772
    Abstract: A flashlight structure with a heat-dissipation device is disclosed. The flashlight structure includes a base having a conducting point isolated with the base; a high-power luminary disposed on the base and having an anode electrode connecting with the conducting point and a cathode electrode connecting with the base; a power source having a positive terminal connecting to the conducting point and a negative terminal connecting to the base for providing the luminary with power; and a housing including the base and having plural heat sink for dissipating the heat produced by the high-power luminary, thereby preventing the flashlight from damage of device or diminution of use life.
    Type: Application
    Filed: July 7, 2003
    Publication date: January 13, 2005
    Inventor: Mei-Feng Yen