ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,918, issued on Sept. 1, was assigned to Infrasolid GmbH (Dresden, Germany).

"Thermal radiation source and method for measuring the exact temperature and/or radiated radiant flux of the thermal radiation source" was invented by Marco Schossig (Dresden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a thermal radiation source which comprises a housing, an electrically operated radiation element arranged in the housing and an exit window through which radiation emitted by the radiation element is emitted from the housing, and to two methods for measuring the temperature of an exit window of the thermal radiation source ...