ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,829, issued on April 7, was assigned to TIANGONG UNIVERSITY (Tianjin, China).

"Wearable human body upper limb motion energy harvester" was invented by Minghui Yao (Tianjin, China), Zhaoqi Wang (Tianjin, China), Yan Niu (Tianjin, China), Qiliang Wu (Tianjin, China), Jianen Chen (Tianjin, China) and Mingjun Tang (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a wearable human body upper limb kinetic energy harvester, including a base, a cover plate, a belt drive mechanism, a gear drive mechanism, a helically arranged unidirectional excitation mechanism, a fixed beam, and a rotor power generation module, wherein the cover pl...