ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,471, issued on June 17, was assigned to Caterpillar Paving Products Inc. (Brooklyn Park, Minn.).
"Engine emissions encapsulation in asphalt" was invented by Brian D. Nagel (Ramsey, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure includes various methods systems and apparatuses for carbon dioxide capture and utilization such as for encapsulation in asphalt. For example, a method can include combusting fuel to generate a flow of exhaust from a working machine operating to perform one or more asphalt related tasks, capturing CO2 from the exhaust, storing the CO2 in a storage unit onboard the working machine, forming asphalt ...