Top Inventors at Zircoa All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hans Leistner | 2 |
| 2 | Herbert L. Johns | 2 |
| 3 | Boris Farber | 1 |
| #4 | Ibrahim Mentesh | 1 |
| #5 | James R. Wright | 1 |
| #6 | John A. Kaniuk | 1 |
| #7 | Pamela Beatrice | 1 |
| #8 | Raimund Bruckner | 1 |
| #9 | Ralph Searle | 1 |
| #10 | Ricky A. Alexander | 1 |
| #11 | Edward Levadnuk | 1 |
| #12 | Ronne Proch | 1 |
| #13 | Arden L. Just | 1 |