ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,517, issued on Feb. 10, was assigned to Siemens AG (Munich).

"Communication system and method for securely transmitting time-critical data within the communication system" was invented by Wolfgang Schwering (Rottenbach, Germany), Frank Laurig (Sengenthal, Germany), Peter Schonemann (Nuremberg, Germany), Nils Gedicke (Jockgrim, Germany) and Volker Gsanger (Kammerstein, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for securely transmitting time-critical data within a communication system including local networks in which data are transmitted via switching, at least one network superimposed with respect to the local networks, in whic...