Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211206 | Charging mechanism for charging a stored-energy spring of a stored-energy spring mechanism | Friedrich Loebner | 2021-12-28 |
| 11152162 | Charging mechanism for charging a stored-energy spring of a stored-energy spring mechanism | Friedrich Loebner | 2021-10-19 |
| 11094477 | Tensioning gear mechanism for tensioning a stored-energy spring of a spring-type stored-energy drive | Marian Bietz, Michael Bartz, Gunnar Lutzke, Friedrich Loebner | 2021-08-17 |