Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12256836 | Furniture kit | Stefan Keller | 2025-03-25 |
| 12096850 | Cross-brace and furniture-assembly kit | Stefan Keller | 2024-09-24 |
| 11918109 | Crossmember, crossmember set, and furniture kit | Stefan Keller | 2024-03-05 |
| D994394 | Shelving system | Stefan Keller | 2023-08-08 |
| D992316 | Shelving system | Stefan Keller | 2023-07-18 |
| D979991 | Shelving system | Stefan Keller | 2023-03-07 |
| 10724556 | Fastening element for workstation accessories, mounting system and furniture system | Stefan Keller | 2020-07-28 |
| 10542818 | Cable routing arrangement as well as a furniture item and frame with such a mechanism | Stefan Keller | 2020-01-28 |
| 10470563 | Height-adjustable piece of furniture and cable protector for such a piece of furniture | Stefan Keller | 2019-11-12 |
| 10349737 | Height-adjustable frame with foldable leg elements | Stefan Keller | 2019-07-16 |
| 10299581 | Furniture composition with height-adjustable partition | Stefan Keller | 2019-05-28 |