Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9267863 | Propeller system with two counter-rotating propellers, a method for measuring the thrust of a propeller system with two counter-rotating propellers and wind tunnel with a model positioned therein having a propeller system | Michael Huhnd, Erik Goldhahn, Alberto Villa | 2016-02-23 |
| 8813581 | Force measuring system, method for measuring forces and torques on a rotating body and wind tunnel with a model arranged therein and comprising at least one propeller with a force measuring system | Michael Huhnd, Erik Goldhahn, Alberto Villa | 2014-08-26 |