SH

S. J. Huang

SI Smith International: 2 patents #259 of 708Top 40%
📍 Diemelstraße, TX: #493 of 1,115 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,217,656 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6443248 Drill bit inserts with interruption in gradient of properties Zhou Yong 2002-09-03
6260639 Drill bit inserts with zone of compressive residual stress Zhou Yong 2001-07-17