Top Inventors at U.S. Controls All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Spencer C. Schantz | 16 |
| 2 | Kenyon A. Hapke | 13 |
| 3 | David M. Howie | 7 |
| #4 | David G. Hackbarth | 3 |
| #5 | David Koth | 2 |
| #6 | Timothy Laseke | 2 |
| #7 | Dave Falcon | 1 |
| #8 | Gary Christiansen | 1 |
| #9 | Michael K. Hintz | 1 |
| #10 | Mike Lehn | 1 |
| #11 | Michael S. Osvatic | 1 |
| #12 | Richard G. Smith | 1 |
| #13 | Ronald J. Janz | 1 |
| #14 | Steve Lovas | 1 |
| #15 | Steve L. Sagar | 1 |
| #16 | Steven Sager | 1 |
| #17 | William E. Bargholtz | 1 |
| #18 | William G. Roos | 1 |