Top Inventors at Process Instruments All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Lee M. Smith | 5 |
| 2 | Robert E. Benner | 5 |
| 3 | Eric R. Jacobsen | 2 |
| #4 | Richard D. Rallison | 2 |
| #5 | Carl W. Johnson | 1 |
| #6 | Curtis C. Johnson | 1 |
| #7 | Douglas A. Christensen | 1 |
| #8 | George R. Gray | 1 |
| #9 | Joel M. Harris | 1 |
| #10 | Ming-Wei Pan | 1 |
| #11 | Paul Wade | 1 |
| #12 | Jay E. Klevens | 1 |
| #13 | Rory H. Uibel | 1 |
| #14 | Aaron Carpenter | 1 |