LD

Lan Dong

QT Qingdao University Of Technology: 1 patents #62 of 161Top 40%
SC Shanghai Jinzhao Energy Saving Technology Co.: 1 patents #1 of 14Top 8%
Overall (2024): #375,592 of 561,600Top 70%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11898699 Oil mist recovery, separation and purification device for minimum quantity lubricant grinding process Changhe Li, Zhenjing Duan, Huajun Cao, Xuefeng Xu, Naiqing Zhang +8 more 2024-02-13