US Patent Issued to Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences on June 16 for "Water-jet ice core drilling rig" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,703, issued on June 16, was assigned to Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences (Lanzhou, China).

"Water-jet ice core drilling rig" was invented by Haidong Han (Lanzhou, China) and Feiteng Wang (Lanzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water-jet ice core drilling rig includes a drilling barrel and a water-jet cutter head. Drilling barrel water channels are disposed on an inner barrel wall of the drilling barrel. The water-jet cutter head includes an inner pipe and an outer pipe. The inner pipe and the drilling barrel are coaxial. The inner pipe is fixedly connected to an end of the dri...