ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,781, issued on Nov. 3, was assigned to SprintRay Inc. (Los Angeles).
"Hydraulic 3D-printing system and method" was invented by Jing Zhang (Los Angeles), Dongjian Wang (Zhejiang, China), Zhongyu Gao (Zhejiang, China), Biqing Lu (Guangdong, China) and Yubing Ding (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is a system and method for printing 3D objects that employs a hydraulic device. The device may include a piston, a platform, multiple chambers, and a channel, wherein the channel and chambers are fluidly connected and configured to hold a desired amount of 3D printing material suitable for 3D-printing objects for a w...