Top Inventors at Preferred Technology All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert Ray McDaniel | 15 |
| 2 | Avis Lloyd McCrary | 13 |
| 3 | Spyridon Monastiriotis | 13 |
| #4 | Ralph Edward Barthel | 8 |
| #5 | Anthony Paul Haddock | 3 |
| #6 | Yu-Chin Li | 2 |
| #7 | Jada Shuchen Leung | 1 |
| #8 | Kerry Drake | 1 |
| #9 | Magnus Legemah | 1 |
| #10 | Neomi Nishith Sanghrajka | 1 |
| #11 | Amr Radwan | 1 |
| #12 | Andrew F. Nordquist | 1 |