Patents by Inventor Emanual E. Landsman

Emanual E. Landsman 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).

  • Method and apparatus for converting a DC voltage to an AC voltage
    Patent number: 6400591
    Abstract: Embodiments of the present invention are directed to an uninterruptible power supply for providing AC power to a load. In embodiments of the present invention, the uninterruptible power supply includes an input to receive AC power from an AC power source, an output that provides AC power, a DC voltage source that provides DC power, the DC voltage source having an energy storage device, an inverter operatively coupled to the DC voltage source to receive DC power and to provide AC power.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: June 4, 2002
    Assignee: American Power Conversion
    Inventors: David E. Reilly, Emanual E. Landsman, Jeffrey Curtis