US Patent Issued to Johnson Matthey on June 3 for "Apparatus and method for coating substrates with washcoats" (British Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,806, issued on June 3, was assigned to Johnson Matthey PLC (Great Britain).

"Apparatus and method for coating substrates with washcoats" was invented by Neil Burgess (Royston, Great Britain), Jamie Savage (Royston, Great Britain) and Craig Thomson (Royston, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of coating a substrate with a washcoat using a substrate coating apparatus is disclosed. The method comprises locating the substrate below the washcoat showerhead; bringing the partition ring into contact with the face of the substrate to thereby define a central region of the face of the substrate which lies within an interior ...