ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,822, issued on Oct. 27, was assigned to SprintRay Inc. (Los Angeles).
"Hydraulic 3D-printing system and method" was invented by Jing Zhang (Los Angeles).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is a system and method for printing 3D objects. The method may include providing a disposable cartridge including a build chamber coupled to a storage chamber adapted to hold a build material; seesawing a piston and a platform within the storage chamber and the build chamber, respectively, to transfer the build material between the storage chamber and the build chamber via a feeding path; and curing a layer of the build material onto the pl...