Top Inventors at Ekstrom Industries All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Darrell Robinson | 58 |
| 2 | Allen V. Pruehs | 34 |
| 3 | Karl R. Loehr | 13 |
| #4 | Robert O. Learmont | 11 |
| #5 | Robert Goozen | 7 |
| #6 | Michael E. Lewis | 6 |
| #7 | John T. Shincovich | 5 |
| #8 | John Curtis Bell | 3 |
| #9 | Albert K. Langdon | 3 |
| #10 | Jeffrey John Hanft | 2 |
| #11 | John Williams | 2 |
| #12 | William Keopfgen | 2 |
| #13 | Christophor Napier | 1 |
| #14 | David W. Jones | 1 |
| #15 | Ebrahim B. Shahrodi | 1 |
| #16 | Gregory L. Zook | 1 |
| #17 | Jan K. Michalek | 1 |
| #18 | Norman C. Baldwin | 1 |
| #19 | Keith C. Dropiewski | 1 |
| #20 | Allen V. Pruchs | 1 |
| #21 | Robert Groozen | 1 |
| #22 | Allen V. Preuhs | 1 |