US Patent Issued to APPLETON GRP on Sept. 23 for "Hazardous area lighting with emergency power back up and wireless communications" (American, Indian Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,116, issued on Sept. 23, was assigned to APPLETON GRP LLC (Rosemont, Ill.).

"Hazardous area lighting with emergency power back up and wireless communications" was invented by Timothy E. Graff (Arlington Heights, Ill.) and Ravindra Viraj Gurjar (Pune, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of monitoring the health of an emergency power source for a luminaire node that is a node of a wireless mesh network utilized by a process control system include: utilizing, by the luminaire node, mains power to (i) route process control messages utilized by the process control system via the wireless network to thereby control an...