Patents by Inventor Franc Hercog

Franc Hercog 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).

  • Patent number: 7564222
    Abstract: The present invention refers to a method for fast-charging a secondary battery and to a device for carrying out said method. Fast charging is achieved by converting a DC supply voltage into a pulsating voltage which is transmitted to the secondary battery to be charged. The pulsating voltage is lead to the battery in intervals of about 10 microseconds with pauses in between of about 100 microseconds and up to 10 milliseconds.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: July 21, 2009
    Inventors: Franc Hercog, Karel Flisar
  • Publication number: 20050099157
    Abstract: The present invention refers to a method for fast-charging a secondary battery and to a device for carrying out said method. Fast charging is achieved by converting a DC supply voltage into a pulsating voltage which is transmitted to the secondary battery to be charged. The pulsating voltage is lead to the battery in intervals of about 10 microseconds with pauses in between of about 100 microseconds and up to 10 milliseconds.
    Type: Application
    Filed: December 15, 2004
    Publication date: May 12, 2005
    Inventors: Franc Hercog, Karel Flisar