ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,938, issued on Oct. 21, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Internal combustion engine monitoring system" was invented by Michael S. Marchionda (Washington, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An internal combustion engine monitoring system can include a fluid filter disposed between at least one fluid inlet of the internal combustion engine and at least one of a fluid source or an ambient fluid environment. At least one fluid sensor arranged can be arranged to detect a plurality of indications of respective fluid pressures on first and second sides of the fluid filter at a plurality of corresponding engine operating co...