Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6374930 | Cutting structure for roller cone drill bits | Sujian Huang | 2002-04-23 |
| 6170582 | Rock bit cone retention system | Steve Peterson, Sujian Huang | 2001-01-09 |
AS
Amardeep Singh
Smith International: 41 patents #12 of 708Top 2%
Indian Oil Corporation Limited: 4 patents #95 of 395Top 25%
Aon Global Operations Ltd (Singapore Branch): 2 patents #1 of 25Top 4%
Aon Global Operations Se, Singapore Branch: 1 patents #7 of 28Top 25%
Srf Limited: 1 patents #10 of 33Top 35%
T-Mobile Usa: 1 patents #765 of 1,165Top 70%
Overall (All Time): #50,733 of 4,157,543Top 2%
52
Patents All Time