Patents by Inventor Stephen M. Liscinsky, III

Stephen M. Liscinsky, III 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).

  • Ground fault circuit interrupter (GFCI) end-of-life (EOL) status indicator
    Patent number: 7336457
    Abstract: Disclosed is an end-of-life status alarm indication circuit and method for indicating the failure of the primary contacts of a ground fault circuit interruption (GFCI) device to open when a ground fault circuit is detected by the GFCI device. The GFCI device will protect against the situation where the primary contacts of a GFCI device become welded together and will not open when a ground fault circuit is detected by the device. The alarm indication may be either an audible or visual indication.
    Type: Grant
    Filed: August 8, 2005
    Date of Patent: February 26, 2008
    Assignee: Hubbell Incorporated
    Inventor: Stephen M. Liscinsky, III