Top Inventors at Voith Hydro All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Richard K. Fisher, Jr. | 14 |
| 2 | Robert G. Grubb | 9 |
| 3 | Joseph M. Cybularz | 6 |
| #4 | James R. Beyer | 4 |
| #5 | Mark E. Kennell | 3 |
| #6 | Richard K. Donelson | 3 |
| #7 | Ronald E. Deitz | 3 |
| #8 | Christian G. Cabou | 2 |
| #9 | Gary F. Franke | 2 |
| #10 | Neil E. Hess | 2 |
| #11 | Randy V. Seifarth | 2 |
| #12 | Robert D. Steele | 2 |
| #13 | Wolfgang Heine | 2 |
| #14 | David R. Light | 1 |
| #15 | Donald E. Zehner | 1 |
| #16 | Eberhard Kopf | 1 |
| #17 | Howard A. Mayo, Jr. | 1 |
| #18 | Irvin E. Scott, Jr. | 1 |
| #19 | Jean-Marc Ferme | 1 |
| #20 | Joachim Klein | 1 |
| #21 | Richard A. Johnson | 1 |
| #22 | Siegbert Etter | 1 |
| #23 | Warren G. Whippen | 1 |