Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1047560 | Coffee machine | — | 2024-10-22 |
| D1024537 | Part of a parasol | — | 2024-04-30 |
| D1017305 | Espresso coffee machine | — | 2024-03-12 |
| D990149 | Sliding collar for a parasol | — | 2023-06-27 |
| D939821 | Part of a parasol | — | 2022-01-04 |
| D912553 | Optoelectronic sensor | — | 2021-03-09 |
| D765529 | Optoelectronic sensors | Ralf Friedrich, Christof Meyer | 2016-09-06 |
| D734193 | Optoelectronic sensors | Ralf Friedrich, Christof Meyer | 2015-07-14 |