According to the patent number provided by you, the query result is "Marine endless belt conveyor, belt take-up device and belt frame expansion method and application of conveyor", and its inventor is: inventor (designer):? Guo Shuren? What about Xu? Zhang sisheng? What about Wu? Wang Qingming? Meng Yanghui? Yang Guangming? Now this patent is still in the public trial stage. The following is the query basis:? Hope to adopt