ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,743, issued on Oct. 21, was assigned to FUJIFILM Dimatix Inc. (Lebanon, N.H.).
"Fluid ejection devices" was invented by Christoph Menzel (New London, N.H.) and Darren T. Imai (Los Gatos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid ejector includes a nozzle layer, a body, an actuator and a membrane. The body includes a pumping chamber, a return channel, and a first passage fluidically connecting the pumping chamber to an entrance of the nozzle. A second passage fluidically connects the entrance of the nozzle to the return channel. The actuator is configured to cause fluid to flow out of the pumping chamber such that actuation of the...