Jingqing Du

BC Beijing Sevenstar Flow Co.: 1 patents #4 of 14Top 30%

📍 Thompson Drive, CN: #2 of 23 inventorsTop 9%

Overall (All Time): #1,710,244 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D1072589	Trimmer line	—	2025-04-29
11320055	Gas flow regulating device and mass flow controller	Manli HE, Qianyi SU	2022-05-03