DL

Defu Liu

LC Linhai Guokang Leisure Products Co.: 2 patents #2 of 2Top 100%
UC Ubtech Robotics Corp: 2 patents #19 of 100Top 20%
Overall (2022): #50,542 of 548,613Top 10%
4
Patents 2022

Issued Patents 2022

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11412821 Straight-pole sun umbrella hand-cranking structure Ziguo Wang 2022-08-16
D954120 Robot Chengxuan Zheng, Dan Wu 2022-06-07
11317688 Straight-pole sun umbrella hand-cranking device Ziguo Wang 2022-05-03
11214162 Charging module and robot having the same Wenhua Yu, Huai Peng, Youjun Xiong 2022-01-04