Hu Zhiqiang’s patent status

1. Hu Zhiqiang, Yang Genxi, Li Kai, Cheng Qin. National utility model patent: intelligent automatic irrigation device.

2. Hu Zhiqiang, Gu Chenyao, Yang Genxi, Wu Yun, Du Chengchao. National utility model patent: greenhouse roller shutter machine controller.

3. Hu Zhiqiang, Yang Genxi, Zhang Hongyan, Guo Huafeng, Zhang Zuoying, Li Qingwei. National utility model patent: real-time status monitoring device for garbage transport trucks