Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Johann Künz | Alpla Werke Alwin Lehner | 2 |
| 1 | Wolfgang Held | Julius Blum Gmbh | 2 |
| 3 | Giorgio Mingarelli | S. C. Johnson & Son | 1 |
| 3 | Christian Omann | Julius Blum Gmbh | 1 |
| 3 | Johann Gottlieb Künz | The Procter & Gamble | 1 |
| 3 | Jurgen Ghesla | J. Wagner Gmbh | 1 |