Integrating cavities mimicking black bodies, wherein the heat propagation between the black

Official title: {Integrating cavities mimicking black bodies, wherein the heat propagation between the black body and the measuring element does not occur within a solid; Use of bodies placed inside the fluid stream for measurement of the temperature of gases; Use of the reemission from a surface, e.g. reflective surface; Emissivity enhancement by multiple reflections}

G01J5/0887 (Integrating cavities mimicking black bodies, wherein the heat propagation between the black) appears on 107 US grants and 74 published applications in this corpus.