Top Inventors at George Koch Sons All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert L. Koch, Jr. | 6 |
| 2 | Kenneth N. Kraft | 4 |
| 3 | Stanley E. Williams | 4 |
| #4 | David W. Carl | 3 |
| #5 | David C. Siemers | 3 |
| #6 | Gregory M. Wallace | 3 |
| #7 | Jeffrey L. Dexter | 3 |
| #8 | Larry J. Head | 3 |
| #9 | Brian Thomas Hawkins | 2 |
| #10 | Donald E. Miller | 2 |
| #11 | Gilman Tredwell | 2 |
| #12 | J. Steve Whitehead | 2 |
| #13 | James M. Gleason | 2 |
| #14 | James H. Muehlbauer | 2 |
| #15 | Larry J. Schenk | 2 |
| #16 | Roderic M. Koch | 2 |
| #17 | David M. Horton | 1 |
| #18 | David T. Mueller | 1 |
| #19 | Daniel Powers | 1 |
| #20 | Daniel Stuart Wolff | 1 |
| #21 | Edward C. Diekmann | 1 |
| #22 | Gary R. Orosz | 1 |
| #23 | Greg M. Wallace | 1 |
| #24 | Howard E. Dunn | 1 |
| #25 | Irvin Spindler | 1 |
| #26 | Mojgan Moshgbar | 1 |
| #27 | R. Craig Allen | 1 |
| #28 | Thomas Neeley | 1 |
| #29 | Timothy L. Schultz | 1 |
| #30 | William C. Nowack | 1 |
| #31 | Paul L. Ubelhor | 1 |
| #32 | Bruce Grebe | 1 |
| #33 | Steven W. Kercher | 1 |
| #34 | Carl R. Stoltz | 1 |
| #35 | Felix A. Ampon | 1 |
| #36 | David F. Stofleth | 1 |