Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448410 | Method of monitoring an air flow in a zone of an HVAC system | Peter Schmidlin, Frank Lehnert, Marc Thuillard | 2022-09-20 |
| 10423172 | Device for measuring and regulating a volume flow in a ventilation pipe | Frank Lehnert, Egli Egli, Phillip Holoch | 2019-09-24 |
| 10208804 | Control device | Georg BAMBERGER | 2019-02-19 |
| 8061684 | Anti-twist device for an actuating motor | Frank Lehnert | 2011-11-22 |