Top Inventors at Grohe Ag 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Michael Seum | 32 |
| 2 | Christoph Kuppert | 11 |
| 3 | Jacob Nitz | 8 |
| #4 | Beguem Tomruk | 6 |
| #5 | Duarte Salvador | 6 |
| #6 | Frank-Thomas Luig | 5 |
| #7 | Jochen Allard | 5 |
| #8 | Patrick Speck | 4 |
| #9 | Hans Lobermeier | 3 |
| #10 | Alessandra De Simone | 2 |
| #11 | Antoine Besseyre Des Horts | 2 |
| #12 | Heiko SCHOENBECK | 2 |
| #13 | Patrick De Arins Speck | 2 |
| #14 | Paul Flowers | 2 |
| #15 | Turgut Kinikarslan | 2 |
| #16 | Achim MIELKE | 1 |
| #17 | Andreas Jung | 1 |
| #18 | Bert DEPIERE | 1 |
| #19 | Daniel Berghoff | 1 |
| #20 | Dajana Lazic | 1 |
| #21 | David MAINKA | 1 |
| #22 | Daniel RADERMACHER | 1 |
| #23 | Harry Hopfauf | 1 |
| #24 | Hartwig PHILIPPS | 1 |
| #25 | Heiko Langer | 1 |
| #26 | Janik Buchmueller | 1 |
| #27 | Mirko Goetzen | 1 |
| #28 | Sebastian Althoff | 1 |
| #29 | Thomas Loi | 1 |
| #30 | Torsten MEIER | 1 |
| #31 | Waldemar Gaida | 1 |
| #32 | Yukiko Toyoda | 1 |