Aerospace
| Mon 09 Feb 2026
Beijing, Feb. 10 -- No. 719 Res Institute China State Shipbuilding Co Ltd has submitted a patent application for Variable-pitch Annular Propeller and Cross-domain Aircraft. This invention was developed by Wu Jiafeng, Liu Bing, Wang Lei, Zhang Anfu, Xia Xinglong, Yu Xingbo, Zhang Xiangdong, Chen Wei, Zhao Zhigao, Zhang Chao, Fu S..