Top Inventors at Ultratec All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert M. Engelke | 88 |
| 2 | Kevin R. Colwell | 85 |
| 3 | Troy Vitek | 51 |
| #4 | Christopher Engelke | 22 |
| #5 | Ronald W. Schultz | 7 |
| #6 | Kevin Colwell | 6 |
| #7 | Kurt M. Gritner | 5 |
| #8 | Jayne M. Turner | 3 |
| #9 | Pamela A. Frazier | 3 |
| #10 | Rodney D. Borst | 2 |
| #11 | Robert M. Engleke | 2 |
| #12 | Chuck Burk | 1 |
| #13 | Chris Mitchell | 1 |
| #14 | Edward T. Gisske | 1 |
| #15 | Jeffrey L. Hilliard | 1 |
| #16 | Karen M. Holmes | 1 |
| #17 | Kurt Grittner | 1 |
| #18 | Mark C. Terranova | 1 |
| #19 | Mike Hoghooghi | 1 |
| #20 | Peter Fowler | 1 |
| #21 | Peter Kirschhoffer | 1 |
| #22 | Wendy Scott | 1 |
| #23 | Robert Schoenbeck | 1 |
| #24 | Robert P Leistiko | 1 |
| #25 | Roy Weidig | 1 |