Top Inventors at Preussag Aktiengesellschaft All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hans Amann | 3 |
| 2 | Helmut Winnacker | 3 |
| 3 | Fritz O. Poeppel | 2 |
| #4 | Jurgen Burkhardt | 2 |
| #5 | Klaus Luck | 2 |
| #6 | Konrad Gries | 2 |
| #7 | Bernhard Prevedel | 1 |
| #8 | Hans-Juergen Hoelscher | 1 |
| #9 | Hans-Joachim Jordan | 1 |
| #10 | Jorgen Christensen | 1 |
| #11 | Klaus Janssen | 1 |
| #12 | Niels D. Jensen | 1 |
| #13 | Trevellyn M. Coltman | 1 |
| #14 | Rudiger Bockle | 1 |
| #15 | Axel Bath | 1 |
| #16 | Thomas Kerk | 1 |
| #17 | Klaus Johnen | 1 |
| #18 | Wilfried Tuennermann | 1 |
| #19 | Arno Steenbock | 1 |
| #20 | Werner Viehmann | 1 |
| #21 | Horst Greve | 1 |
| #22 | Ferenc Kerekes | 1 |
| #23 | Alfred Fletcher | 1 |