ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,999, issued on July 22, was assigned to EXEL INDUSTRIES (Epernay, France).
"Flushing system for a filter and a print head" was invented by Michel Di Gioia (Epernay, France) and Nicolas Chouan (Epernay, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A printing system for applying a coating product, including a print head for applying the coating product flowing in the normal flow direction, a single filter positioned upstream of the print head, and a plurality of valves and conduits for conveying the coating product and at least one flush fluid. The plurality of valves and conduits being arranged so that the single filter may be flushed with t...