List of SimplexGrinnell patents

Patents where

Current Assignee

Name

SimplexGrinnell

Name	Description	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7508303 Alarm system with speaker	Patent 7508303 was granted and assigned to SimplexGrinnell on March, 2009 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7508303	March 24, 2009
‌ US Patent 8228182 Self-testing notification appliance	Patent 8228182 was granted and assigned to SimplexGrinnell on July, 2012 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8228182	July 24, 2012
‌ US Patent 7619534 Method and apparatus for detection of hazardous or potentially hazardous conditions	Patent 7619534 was granted and assigned to SimplexGrinnell on November, 2009 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7619534	November 17, 2009
‌ US Patent 7382245 Method and apparatus for indicating a power condition at a notification appliance	Patent 7382245 was granted and assigned to SimplexGrinnell on June, 2008 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7382245	June 3, 2008
‌ US Patent 7333010 Method and apparatus for verifying operation of notification appliances during low input voltage condition	Patent 7333010 was granted and assigned to SimplexGrinnell on February, 2008 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7333010	February 19, 2008
‌ US Patent 7091855 Fire alarm with distinct alarm reset threshold	Patent 7091855 was granted and assigned to SimplexGrinnell on August, 2006 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7091855	August 15, 2006
‌ US Patent 7251742 Method and apparatus for determining mis-wired addressable loops	Patent 7251742 was granted and assigned to SimplexGrinnell on July, 2007 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7251742	July 31, 2007
‌ US Patent 7167088 Wireless walk through test system	Patent 7167088 was granted and assigned to SimplexGrinnell on January, 2007 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7167088	January 23, 2007
‌ US Patent 7474227 Multiwavelength smoke detector using white light LED	Patent 7474227 was granted and assigned to SimplexGrinnell on January, 2009 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7474227	January 6, 2009
‌ US Patent 7688212 Method and apparatus for providing occupancy information in a fire alarm system	Patent 7688212 was granted and assigned to SimplexGrinnell on March, 2010 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7688212	March 30, 2010
‌ US Patent 7469204 Method and apparatus for calculating voltage drop	Patent 7469204 was granted and assigned to SimplexGrinnell on December, 2008 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7469204	December 23, 2008
‌ US Patent 7456585 Optical element driving circuit	Patent 7456585 was granted and assigned to SimplexGrinnell on November, 2008 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7456585	November 25, 2008
‌ US Patent 7295127 National security warning system integrated with building fire alarm notification system	Patent 7295127 was granted and assigned to SimplexGrinnell on November, 2007 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7295127	November 13, 2007
‌ US Patent 7145466 National security warning system integrated with building fire alarm notification system	Patent 7145466 was granted and assigned to SimplexGrinnell on December, 2006 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7145466	December 5, 2006
‌ US Patent 7170396 Addressable smart speaker	Patent 7170396 was granted and assigned to SimplexGrinnell on January, 2007 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7170396	January 30, 2007
‌ US Patent 8144736 Fiber optic multiplex modem	Patent 8144736 was granted and assigned to SimplexGrinnell on March, 2012 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8144736	March 27, 2012
‌ US Patent 8063763 System for testing NAC operability using reduced operating voltage	Patent 8063763 was granted and assigned to SimplexGrinnell on November, 2011 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8063763	November 22, 2011
‌ US Patent 8138928 Multiple event notification appliance	Patent 8138928 was granted and assigned to SimplexGrinnell on March, 2012 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8138928	March 20, 2012
‌ US Patent 7753709 Call cord connection system with mechanical coupling mechanism	Patent 7753709 was granted and assigned to SimplexGrinnell on July, 2010 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7753709	July 13, 2010
‌ US Patent 8730019 Pull station	Patent 8730019 was granted and assigned to SimplexGrinnell on May, 2014 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8730019	May 20, 2014
‌ US Patent 8023661 Self-adjusting and self-modifying addressable speaker	Patent 8023661 was granted and assigned to SimplexGrinnell on September, 2011 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8023661	September 20, 2011
‌ US Patent 8368528 Configurable notification device	Patent 8368528 was granted and assigned to SimplexGrinnell on February, 2013 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8368528	February 5, 2013
‌ US Patent 8373420 Ground fault detection	Patent 8373420 was granted and assigned to SimplexGrinnell on February, 2013 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8373420	February 12, 2013
‌ US Patent 7400226 Emergency lighting system with improved monitoring	Patent 7400226 was granted and assigned to SimplexGrinnell on July, 2008 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	7400226	July 15, 2008
‌ US Patent 8231151 Magnetic releasing and securing device	Patent 8231151 was granted and assigned to SimplexGrinnell on July, 2012 by the United States Patent and Trademark Office.	SimplexGrinnell	United States Patent and Trademark Office	8231151	July 31, 2012

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