ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,760, issued on June 17, was assigned to Zhejiang University (Hangzhou, China).

"Cooperative positioning system and method for unmanned underwater vehicle (UUV) cluster based on ranging and information interaction" was invented by Huifang Chen (Hangzhou, China), Lei Xie (Hangzhou, China), Feng Liu (Hangzhou, China) and Wen Xu (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments of the disclosure provide a cooperative positioning system and method for an unmanned underwater vehicle (UUV) cluster based on ranging and information interaction. In some examples, the cooperative positioning system includes one master UUV, multip...