Patents by Inventor Steven J. Ziejewski

Steven J. Ziejewski 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).

  • Apparatus and method for protecting an uninterruptible power supply and critical loads connected thereto
    Patent number: 7132951
    Abstract: An apparatus and method for monitoring and controlling a backup power source and one or more critical loads powered thereby is disclosed. The apparatus is constructed in the form of an electrical distribution panel that includes electronic systems for monitoring the current to the critical loads. In the event of an overcurrent condition on one or more critical load circuits, the system is able to disable power flow to the offending circuit so as to protect the remaining critical load circuits and the backup power source. The system is also provided with a means for communicating status information about the system to a remote user.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: November 7, 2006
    Assignee: Liebert Corporation
    Inventors: Steven J. Ziejewski, Ernest P. Hurst, Jr.