ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,686, issued on Sept. 22, was assigned to Kistler Holding AG (Winterthur, Switzerland).

"Optically operating temperature sensor, use of said temperature sensor and battery cell assembly comprising at least one temperature sensor" was invented by Marian Gragert (Sulz, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optically operating temperature sensor includes at least one optical fiber configured and disposed for guiding light rays and including a plurality of optical elements configured and disposed for influencing the light rays which can be introduced into the at least one optical fiber, wherein the optical elements and the at least o...