Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814800 | Street sweeper | Christian Lange, Jean-Benoît Langouche, Adrien Maréchal, Tom Bruggeman | 2023-11-14 |
| 10470635 | Urban or industrial aspirator | Damien Bertrand, Christian Lange, Jean-Benoît Langouche | 2019-11-12 |
| 10213083 | Urban or industrial vacuum cleaner | Jean-Benoît Langouche, Christian Lange | 2019-02-26 |