Top Inventors at Shell California Production All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Charles A. Leech, III | 1 |
| 2 | James Groman | 1 |
| 3 | Jack B. Pohlenz | 1 |
| #4 | James H. Ragland | 1 |
| #5 | John Houghton | 1 |
| #6 | Norman C. Samish | 1 |
| #7 | Paul B. Ritter, Jr. | 1 |
| #8 | Robert L. Harrigal | 1 |
| #9 | Franciscus J. A. van Mierlo | 1 |
| #10 | Thomas J. Rancudo, Jr. | 1 |
| #11 | Arthur W. Nelson | 1 |