Top Inventors at Mcdermott Incorporated All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Dennis E. Calkins | 3 |
| 2 | James Allan Haney | 3 |
| 3 | Derek T. Fern | 2 |
| #4 | Gary E. Harrison | 2 |
| #5 | Jan Illakowicz | 2 |
| #6 | Michael J. LeGlue | 2 |
| #7 | William L. Green | 2 |
| #8 | Billy W. WILLIAMS | 1 |
| #9 | Daniel Gray | 1 |
| #10 | Edward A. Landers | 1 |
| #11 | H. Patrick Ragland | 1 |
| #12 | James L. McClain | 1 |
| #13 | Jesse R. Wilkins | 1 |
| #14 | John E. Hey | 1 |
| #15 | Nico DEBoer | 1 |
| #16 | Nico de Boer | 1 |
| #17 | Robert E. Howson | 1 |
| #18 | Stephen A. Will | 1 |
| #19 | Alan J. Hartt | 1 |
| #20 | Forest E. Block | 1 |
| #21 | Billy R. Ledford | 1 |