Top Inventors at Pennzoil Products All Time
Showing 1–32 of 32 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | William J. Heilman | 11 |
| 2 | Clifford G. Venier | 9 |
| 3 | Edward William Casserly | 7 |
| #4 | Brent R. Dohner | 5 |
| #4 | David Scott Morrison | 5 |
| #6 | Bruce E. Wilburn | 4 |
| #6 | Paul J. DesLauriers | 4 |
| #8 | Jiafu Fang | 3 |
| #8 | Selda Gunsel | 3 |
| #10 | D. V. Satyanarayana Gupta | 2 |
| #10 | Frances E. Lockwood | 2 |
| #10 | I. Ching Chiu | 2 |
| #10 | Randall R. Hendrix | 2 |
| #10 | Richard L. Johnson | 2 |
| #10 | Alexandra B. Shortt | 2 |
| #16 | David P. Hoult | 1 |
| #16 | Darrell W. Patton | 1 |
| #16 | Francis E. Brown | 1 |
| #16 | Fran Lockwood | 1 |
| #16 | James C. Grissom | 1 |
| #16 | James G. Lazar | 1 |
| #16 | Joseph M. Russo | 1 |
| #16 | Michael P. Squicciarini | 1 |
| #16 | Ralph J. McCloskey | 1 |
| #16 | Stig E. Friberg | 1 |
| #16 | William D. Nash | 1 |
| #16 | George P. Newsoroff | 1 |
| #16 | Clarence M. Comer | 1 |
| #16 | James E. Kearse | 1 |
| #16 | Aidan P. Cooney | 1 |
| #16 | Arpad M. Magyar | 1 |
| #16 | Asoke Kumar Deysarkar | 1 |