Patents by Inventor Richard L. Andelfinger

Richard L. Andelfinger 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 charging apparatus and method
    Patent number: 7928698
    Abstract: A battery charger that includes a primary switching-mode power supply, a secondary switching-mode power supply and a capacitor that is electrically connected to these two power supplies. In operation, this battery charger may be used to reverse the sulfation process in a battery. Also, a battery charging method that may be used to reverse the sulfation process in a battery.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: April 19, 2011
    Assignee: SPX Corporation
    Inventor: Richard L. Andelfinger
  • Battery Charging Apparatus and Method
    Publication number: 20090243547
    Abstract: A battery charger that includes a primary switching-mode power supply, a secondary switching-mode power supply and a capacitor that is electrically connected to these two power supplies. In operation, this battery charger may be used to reverse the sulfation process in a battery. Also, a battery charging method that may be used to reverse the sulfation process in a battery.
    Type: Application
    Filed: March 25, 2008
    Publication date: October 1, 2009
    Inventor: Richard L. Andelfinger