Top Inventors at Sulzer Pumpen Ag All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hannu Hjerppe | 6 |
| 2 | Mark Kehoe | 6 |
| 3 | Paul Meuter | 6 |
| #4 | Timo Salomaa | 6 |
| #5 | Antti Siltavuori | 6 |
| #6 | Andrejas Vukovic | 6 |
| #7 | Heikki Manninen | 5 |
| #8 | Jorma Lehtonen | 4 |
| #9 | Johann Guelich | 3 |
| #10 | Jussi Ahlroth | 3 |
| #11 | Juha Ottelin | 3 |
| #12 | Robert Rennhard | 3 |
| #13 | Steven Milojevic | 3 |
| #14 | Johann Gülich | 2 |
| #15 | Kari Kovasin | 2 |
| #16 | Karl-Erik Röberg | 2 |
| #17 | Martti Heikkila | 2 |
| #18 | Olavi Toukonummi | 2 |
| #19 | Thomas Welschinger | 2 |
| #20 | Wolfram Lienau | 2 |
| #21 | Janusz Milek | 1 |
| #22 | Joachim Schmied | 1 |
| #23 | Kari Peltonen | 1 |
| #24 | Kimmo Leinonen | 1 |
| #25 | Matti Koivikko | 1 |
| #26 | Nicolas Martin | 1 |
| #27 | Pekka Raussi | 1 |
| #28 | Reijo Vesala | 1 |
| #29 | Siegfried Liegat | 1 |
| #30 | Tomas Pesek | 1 |
| #31 | Vesa Vikman | 1 |
| #32 | Walter Bolliger | 1 |
| #33 | Erwin Leibundgut | 1 |
| #34 | Seppo Kupiainen | 1 |
| #35 | Neil Hoekstra | 1 |
| #36 | Bernhard Birchler | 1 |
| #37 | Gary Fitch | 1 |
| #38 | Kaarlo Horo | 1 |
| #39 | Anton Holenstein | 1 |
| #40 | Antonio Morisco | 1 |
| #41 | Andreas Vogel | 1 |
| #42 | Arto Koso | 1 |
| #43 | Arnaldo RODRIGUES | 1 |