ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,653, issued on March 31, was assigned to Zhejiang University (Hangzhou, China).

"Deployable wave energy harvesting device for autonomous underwater vehicles (AUVs)" was invented by Tao Wang (Hangzhou, China), Haobin Lv (Hangzhou, China) and Shiqiang Zhu (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A deployable wave energy harvesting device for autonomous underwater vehicles (AUVs) includes a deployable lifting platform and an energy harvesting mechanism. The deployable lifting platform includes two scissor-type lifting structures, which are supported by a double-end threaded rod. A first stepper motor is connected to a threaded r...