Top Inventors at Intergraph Technologies All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Sheila G. Whitaker | 4 |
| 2 | Gene A. Grindstaff | 3 |
| 3 | Casey R. Adkins | 2 |
| #4 | Charles A. Abare | 2 |
| #5 | Johnny E. Frederick | 2 |
| #6 | Andrew D. Estes | 2 |
| #7 | Andrew J. Ornatowski | 2 |
| #8 | Benedict A. Eazzetta | 1 |
| #9 | David Milton Glenn | 1 |
| #10 | Gerd Glöckler | 1 |
| #11 | Hans T. Erickson | 1 |
| #12 | James Richard Stephens | 1 |
| #13 | John C. Eichstaedt | 1 |
| #14 | Michael Rodney Boersma | 1 |
| #15 | Robert L. Mullenger | 1 |
| #16 | Roger K. Shelton | 1 |
| #17 | Shawn A. Wentz | 1 |
| #18 | Steven D. Herold | 1 |
| #19 | Valery Gerard | 1 |
| #20 | William D. Howell | 1 |