ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,751, issued on Nov. 18, was assigned to Ricoh Co. Ltd. (Tokyo).
"Printhead with internal pump at fluid manifold" was invented by Giang Vo (Simi Valley, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Printheads and a method of operating a printhead. In one embodiment, a printhead comprises a plurality of jetting channels, a manifold internal to the printhead that is configured to convey a print fluid from an inlet of the printhead to the jetting channels, and an internal pump disposed at the manifold. The internal pump is configured to draw the print fluid into the manifold through the inlet, and to discharge the print fluid from the manifold ...