ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,870, issued on Nov. 3, was assigned to MAPLEJET Ltd. (Richmond Hill, Canada).
"System for delivering ink to a printhead" was invented by Homayoun Shahrestani (Thornhill, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for delivering ink to a printhead is for use with an ink reservoir. The ink delivery system includes an ink delivery device, a vacuum pump, a bladder, a sensor, a separator and a controller. The ink delivery device is connectable to and in fluid communication with the ink reservoir. The vacuum pump is operably connected to and in fluid communication with the ink reservoir. The bladder defines a volume. The sensor is opera...