Top Inventors at Zircon All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Charles E. Heger | 24 |
| 2 | Norman L. Krantz | 22 |
| 3 | Barry Wingate | 21 |
| #4 | Chien-Hsu Chen | 15 |
| #5 | John R. Stauss | 10 |
| #6 | Paul W. Dodd | 5 |
| #7 | Gary R. Schultheis | 4 |
| #8 | Lawrence F. Miller | 4 |
| #9 | Donald D. Kook | 3 |
| #10 | Larry Miller | 3 |
| #11 | Russell E. Tavernetti | 3 |
| #12 | Charles E. Bayha | 2 |
| #13 | Douglas R. Grundstrom | 2 |
| #14 | Gerd Reime | 2 |
| #15 | James C. Long | 2 |
| #16 | Micaela G. Kapp | 2 |
| #17 | Noel H. C. Marshall | 2 |
| #18 | Richard Meech Halliday | 2 |
| #19 | William M. Sunlin | 2 |
| #20 | Anthony J. Rossetti | 2 |
| #21 | Charles J. Stauss | 1 |
| #22 | Jeffrey Fox | 1 |
| #23 | Mark Brinkerhoff | 1 |
| #24 | Mark A. Zirinsky | 1 |
| #25 | Norman La Var Krantz | 1 |
| #26 | Paul Drew Ehrensberger, Jr. | 1 |
| #27 | Philip E. Clements | 1 |
| #28 | Shandon Alderson | 1 |
| #29 | Gregory Heironimus | 1 |