Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joanna M. Robertson | Phelps Dodge | 33 |
| 2 | Steven Chad Richardson | Freeport Minerals | 23 |
| 3 | Joseph Wall | Test Rite Product | 15 |
| #4 | Antonioni C. Stevens | Freeport-Mcmoran | 9 |
| #5 | John Warren Dean, Jr. | Freeport Minerals | 6 |
| #6 | Aron Tyab | Freeport Minerals | 2 |
| #6 | Brent C. Cluff | — | 2 |
| #6 | Joe Wall | Test Rite Product | 2 |
| #6 | Percy Mayta | Freeport-Mcmoran | 2 |
| #6 | Cristian Alejandro Caro Matus | Freeport-Mcmoran | 2 |
| #6 | Scott Hoenecke | Freeport-Mcmoran | 2 |
| #12 | Karl B. Lau | — | 1 |
| #12 | E. Dean Graves | — | 1 |
| #12 | Willian Ryan Sircy | Freeport-Mcmoran | 1 |
| #12 | Rosemary Dawn Blosser | Freeport-Mcmoran | 1 |
| #12 | Lawrence E. Marsh | — | 1 |
| #12 | Gene R. Howard | — | 1 |
| #12 | Charles F. French | — | 1 |
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