Top Inventors at Norandal Usa All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Warren C. Hartz | 3 |
| 2 | Christopher A. Romanowski | 2 |
| 3 | William E. Carey | 2 |
| #4 | William M. Marrison | 2 |
| #5 | Apparao Duvvuri | 2 |
| #6 | John Clark | 1 |
| #7 | William Hayes Just Brooks | 1 |
| #8 | Thomas B. Stines | 1 |
| #9 | Weldon C. Ball | 1 |
| #10 | Billy D. Utley | 1 |