Refrath, DE ranks #25,616 worldwide for total patents filed all time, with 43 patents from 11 inventors. Leading employers of inventors based in Refrath, DE include Bayer Healthcare, Troponwerke Gmbh & Co. Kg, Takeda Gmbh.
Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Markus Weisbeck | Bayer Healthcare | 11 |
| 2 | Karl-Heinz Boltze | Troponwerke Gmbh & Co. Kg | 10 |
| 3 | Torsten Dunkern | Takeda Gmbh | 9 |
| #4 | Klaus Serapins | Felten & Guilleaume Carlswerk Aktiengesellschaft | 3 |
| #4 | Helmut Schwarz | Basf Se | 3 |
| #6 | Dirk-Uwe Eidam | Ford | 2 |
| #7 | Bernd Steppeler | Haver & Boecker Ohg | 1 |
| #7 | Andreas Gehr | — | 1 |
| #7 | Erhard Welchert | Trw Fahrwerksysteme | 1 |
| #7 | Vuong Huy | Wagon Automotive Gmbh | 1 |
| #7 | Erhart Welchert | Trw Fahrwerksysteme | 1 |