ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,920, issued on March 17, was assigned to Robert Bosch Ltda. (Campinas, Brazil).

"Method for diagnosing faults in the operation of a fuel heating system associated with an internal combustion engine" was invented by Marcello Francisco Brunocilla (Indaiatuba, Brazil) and Renato Alves De Souza (Campinas, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention refers to a method for diagnosing faults in the operation of a fuel heating system associated with an internal combustion engine, that includes a plurality of routines to detection of several kinds of faults. The relevant concern is to provide a sufficiently robust solution implement...