Top Inventors at Conoco Specialty Products All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Charles M. Kalnins | 11 |
| 2 | Noel Carroll | 6 |
| 3 | Mark F. Schubert | 4 |
| #4 | David Hadfield | 3 |
| #5 | Kevin O'Brien | 3 |
| #6 | Mark I. Grey | 2 |
| #7 | Martin T. Thew | 2 |
| #8 | Pete Thompson | 2 |
| #9 | Phillip C. Tuckett | 2 |
| #10 | Reimer Hansen | 2 |
| #11 | Stephen T. McCoy | 2 |
| #12 | Bill E. Bowers | 1 |
| #13 | Christopher K. Shaw | 1 |
| #14 | David A. Flanigan | 1 |
| #15 | David A. Webb | 1 |
| #16 | Gavan J. J. Prendergast | 1 |
| #17 | Ian Charles Smyth | 1 |
| #18 | John D. Boadway | 1 |
| #19 | Michael Mai | 1 |
| #20 | Neville Clarke | 1 |
| #21 | Robert W. Carroll | 1 |
| #22 | Sören Hansen | 1 |
| #23 | Allan S. Parmenter | 1 |