US Patent Issued to FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG on Oct. 21 for "Method for destruction-free determination of the depth of hardening on surface-hardened components" (German Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,402, issued on Oct. 21, was assigned to FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (Munich).

"Method for destruction-free determination of the depth of hardening on surface-hardened components" was invented by Paul Graja (Dresden, Germany), Norbert Meyendorf (Dresden, Germany) and Ralf Schallert (Dresden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the method for determining the depth of hardening dH, a predefinable number of at least 5 pulses of transverse ultrasonic waves are coupled into a component at a surface of the component. An individual pulse has at least one oscillation period. Between the individua...