ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,663, issued on Dec. 23, was assigned to DET Diesel Emission Technologies LLC (Coppell, Texas).

"Process for replacing a core of diesel emission control device" was invented by Mike VanPatten (Flower Mound, Texas) and Pete Lambe (Heath, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for removing an existing core from a DECD housing may comprise the steps of providing a core press station having a working platform; connecting a collection container between the working platform and the DECD housing; aligning the DECD housing over the collection container; pressings the existing core out of the DECD housing; and collecting the existing c...