ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,594, issued on Feb. 3, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Fuel injector adapter" was invented by Jack Albert Merchant (West Lafayette, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel injector adapter for an internal combustion engine, including an adapter shaft including a first shaft end disposed within a fuel injector, a second shaft end, a shaft passage disposed in the adapter shaft extending from the first shaft end to a port portion of the adapter shaft, the port portion including annular openings; and an adapter body disposed over the adapter shaft, including a fitting portion including a first end, a second end, and a...