Top Inventors at Occidental Petroleum All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Fernando Ore | 6 |
| 2 | Edward F. Wahl, III | 3 |
| 3 | James H. Moore | 3 |
| #4 | John D. Ellis | 3 |
| #5 | Samuel G. Woinsky | 3 |
| #6 | Allan Sass | 3 |
| #7 | Everett W. Knell | 2 |
| #8 | Frederic Boucher | 2 |
| #9 | Hudson C. Smith | 2 |
| #10 | James L. Bradford | 2 |
| #11 | John S. Myrick | 2 |
| #12 | Norman W. Green | 2 |
| #13 | Rama Prasad | 2 |
| #14 | Wesley W. Atwood | 2 |
| #15 | Benjamin Wade Shaw | 1 |
| #16 | Booker W. Morey | 1 |
| #17 | Bruce L. Winter | 1 |
| #18 | C. Michael Walkup | 1 |
| #19 | Charles K. Choi | 1 |
| #20 | Clement S. Finney | 1 |
| #21 | Gary P. Van Tighem | 1 |
| #22 | George M. Mallan | 1 |
| #23 | George T. Preston | 1 |
| #24 | Harry E. McCarthy | 1 |
| #25 | James R. Longanbach | 1 |
| #26 | John G. Roeschlaub | 1 |
| #27 | Leon Robinson | 1 |
| #28 | Mark A. Lawrence | 1 |
| #29 | Paul Y. Chen | 1 |
| #30 | Paul R. Kaufman | 1 |
| #31 | Raj B. Durairaj | 1 |
| #32 | Samuel F. Sweat | 1 |
| #33 | Theodore C. Frankiewicz | 1 |
| #34 | William R. White | 1 |
| #35 | Yue Wang | 1 |
| #36 | Zia Iqbal Mirza | 1 |
| #37 | Philip W. Casperson | 1 |
| #38 | Gary H. Wickstrom | 1 |
| #39 | Leo M. Cropsey | 1 |
| #40 | Ivan J. Hopkins | 1 |
| #41 | Ajay Madhav Madgavkar | 1 |