Top Inventors at Hydril Company All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Chris A. Lundberg | 2 |
| 2 | Edward Hemphill | 2 |
| 3 | Harris A. Reynolds, Jr. | 2 |
| #4 | Joel D. Shaw | 2 |
| #5 | Michael Wayne Berckenhoff | 2 |
| #6 | Thomas J. Walsh | 2 |
| #7 | Brian E. Schwind | 1 |
| #8 | Douglas W. Carlson | 1 |
| #9 | Jonathan Bowen | 1 |
| #10 | Robert S. Sivley, IV | 1 |
| #11 | Ryan Gustafson | 1 |
| #12 | Stephen P. Simons | 1 |
| #13 | William L. Carbaugh | 1 |
| #14 | William Rinehart Holland, Jr. | 1 |
| #15 | William R. Holland | 1 |