Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12396509 | Safety helmet with an intermediate piece for changing the center of gravity and arrangements with such a safety helmet and two alternative intermediate pieces | Siegbert Tolk | 2025-08-26 |
| 12342898 | Safety helmet with a sheathed bearing element, process for removing the sheathing from the safety helmet and process for manufacturing such a safety helmet | Katja FRANKE, Steffen Pracht | 2025-07-01 |
| 12295441 | Safety helmet with a resiliently attached shock-absorbing shell and process for manufacturing same | Steffen Pracht | 2025-05-13 |
| 12213554 | Safety helmet with an adapter and process for detachably fastening a module | — | 2025-02-04 |
| 12064000 | Safety helmet with mechanical coding for plug connections between the inner lining and the bearing structure | Katja FRANKE | 2024-08-20 |
| 11992079 | Safety helmet with a sheathed bearing element, process for removing the sheathing from the safety helmet and process for manufacturing such a safety helmet | Katja FRANKE, Steffen Pracht | 2024-05-28 |
| 11864616 | Safety helmet with an adapter and process for detachably fastening a module | — | 2024-01-09 |
| 11707103 | Safety helmet with telescopically adjustable head size | Jan MUSOW, Mohamed Houssem HARBI, Steffen Pracht | 2023-07-25 |