CF

Changzhi Fu

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #783,874 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12337459 Rapid assembly type tool rod connection structure Xiaolin Fu, Chun Li 2025-06-24
11826894 Tool bar Xiaolin Fu, Yuxuan Fu, Chun Li, Dongjian Jin, Xiongjun Ren 2023-11-28
D952422 Shovel head Chun Li 2022-05-24
11059157 Impact hand tool Yuxuan Fu 2021-07-13
8807149 System, method and apparatus for recycling quenching medium Yuxuan Fu 2014-08-19
7914224 Connecting structure for hand-operated tools and handles 2011-03-29