Patents by Inventor Mark B. Barrieau

Mark B. Barrieau 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).

  • Emergency lighting system with improved monitoring
    Patent number: 7999666
    Abstract: An emergency lighting unit includes a lamp, a backup battery, controller, and a network interface. The controller connects the backup battery to the lamp upon detection of an emergency condition and loss of main power. The network interface interfaces with and receives commands from a fire alarm control panel via a fire alarm network. Each emergency lighting unit may have a unique identifier with respect to the fire alarm network.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: August 16, 2011
    Assignee: SimplexGrinnell LP
    Inventors: Mark B. Barrieau, Johnpaul P. Barrieau, Jeffrey R. Brooks