Patents by Inventor Hsu Wen Kuan

Hsu Wen Kuan 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).

  • BATTERY CHARGER CAPABLE OF CHARGING DIFFERENT SIZE OF BATTERIES
    Publication number: 20020063550
    Abstract: A battery charger capable of simultaneously charging at least one battery of different size is provided. The battery charger includes an upper housing, a lower housing, and at least one charging unit. The charging unit includes a battery receptacle, a switching device and a contact element. The switching device is positioned in one side of the battery receptacle and the contact element is positioned in the other side of the battery receptacle. When the switching device is switched to a first position, a first size battery would be charged and when the switching device is switched to a second position, the second size battery would be charged.
    Type: Application
    Filed: April 2, 2001
    Publication date: May 30, 2002
    Inventors: Chen Chun Chen, Hsu Wen Kuan
  • Battery charger capable of charging different size of batteries
    Patent number: 6384575
    Abstract: A battery charger capable of simultaneously charging at least one battery of different size is provided. The battery charger includes an upper housing, a lower housing, and at least one charging unit. The charging unit includes a battery receptacle, a switching device and a contact element. The switching device is positioned in one side of the battery receptacle and the contact element is positioned in the other side of the battery receptacle. When the switching device is switched to a first position, a first size battery would be charged and when the switching device is switched to a second position, the second size battery would be charged.
    Type: Grant
    Filed: April 2, 2001
    Date of Patent: May 7, 2002
    Assignee: Delta Electronics, Inc.
    Inventors: Chen Chun Chen, Hsu Wen Kuan