QD

Quan Dong

XC Xuzhou Heavy Machinery Co.: 2 patents #2 of 30Top 7%
Overall (2018): #111,380 of 503,207Top 25%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10150656 Mobile counterweight mechanism of a hoisting machine as well as a hoisting machine Mengbing Zhu, Yongjian Deng, Hongshu Guo 2018-12-11
10077173 Single-cylinder plug pin type telescopic arm, telescopic method thereof and crane having telescopic arm Zenghai Shan, Yongjian Deng, Xin Zhang, Mengbing Zhu, Xiaohui Wang +2 more 2018-09-18