Top Inventors at Pennzoil-Quaker State All Time
Showing 1–22 of 22 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | I-Ching Chiu | 6 |
| 2 | James C. W. Chien | 5 |
| 3 | Jiafu Fang | 3 |
| 3 | Troy H. Scriven | 3 |
| 3 | William J. Heilman | 3 |
| #6 | Dewey P. Szemenyei | 2 |
| #6 | Michael W. Howe | 2 |
| #6 | William Heilmann | 2 |
| #9 | Bart L. Ivic | 1 |
| #9 | Brian Vincent Sokol | 1 |
| #9 | Clifford G. Venier | 1 |
| #9 | Douglas Meyers | 1 |
| #9 | Farah Jumshyd | 1 |
| #9 | John W. Amszi | 1 |
| #9 | Michael Schmeida | 1 |
| #9 | Roderic Mathews | 1 |
| #9 | Selda Gunsel | 1 |
| #9 | Steven Frederick Koch | 1 |
| #9 | Wei Song | 1 |
| #9 | Gary Don Edmiaston | 1 |
| #9 | Alice A. Crowder | 1 |
| #9 | Arif Sitabkhan | 1 |