Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955859 | Unmanned aerial vehicle drag augmentation by reverse propeller rotation | Martyn Cowley | 2021-03-23 |
| 10919623 | Air vehicle flight mechanism and control method | Karl Robert Klingebiel, Alexander Andryukov, Bart Dean Hibbs, John Peter Zwaan | 2021-02-16 |
| 10870495 | Invertible aircraft | Karl Robert Klingebiel | 2020-12-22 |
| 10850837 | Air vehicle flight mechanism and control method for non-sinusoidal wing flapping | Alexander Andryukov, Karl Robert Klingebiel, Henry Thome Won | 2020-12-01 |
| 10558225 | Unmanned aerial vehicle drag augmentation by reverse propeller rotation | Martyn Cowley | 2020-02-11 |
| 10329025 | Invertible aircraft | Karl Robert Klingebiel | 2019-06-25 |
| 10266258 | Air vehicle flight mechanism and control method | Karl Robert Klingebiel, Alexander Andryukov, Bart Dean Hibbs, John Peter Zwaan | 2019-04-23 |
| 10065737 | Air vehicle flight mechanism and control method for non-sinusoidal wing flapping | Alexander Andryukov, Karl Robert Klingebiel, Henry Thome Won | 2018-09-04 |
| 9957044 | Air vehicle flight mechanism and control method | Karl Robert Klingebiel, Alexander Andryukov, Bart Dean Hibbs, John Peter Zwaan | 2018-05-01 |
| 9950790 | Air vehicle flight mechanism and control method | Karl Robert Klingebiel, Alexander Andryukov, Bart Dean Hibbs, John Peter Zwaan | 2018-04-24 |
| 9669925 | Air vehicle flight mechanism and control method for non-sinusoidal wing flapping | Alexander Andryukov, Karl Robert Klingebiel, Henry Thome Won | 2017-06-06 |
| 9650135 | Invertible aircraft | Karl Robert Klingebiel | 2017-05-16 |
| 9511859 | Invertible aircraft | Karl Robert Klingebiel | 2016-12-06 |
| 9199733 | Invertible aircraft | Karl Robert Klingebiel | 2015-12-01 |
| 9090335 | Unmanned aerial vehicle drag augmentation by reverse propeller rotation | Martyn Cowley | 2015-07-28 |
| 8800936 | Unmanned aerial vehicle drag augmentation by reverse propeller rotation | Martyn Cowley | 2014-08-12 |
| 8210471 | Air vehicle flight mechanism and control method | Karl Robert Klingebiel, Alexander Andryukov, Bart Dean Hibbs | 2012-07-03 |
| 8205823 | Air vehicle flight mechanism and control method | Karl Robert Klingebiel, Alexander Andryukov, Bart Dean Hibbs, John Peter Zwaan | 2012-06-26 |
| 5492494 | Toy aircraft with vertical flight dynamics | — | 1996-02-20 |
| 5493114 | Method of and apparatus for measuring the movement of a lens with four measurement points | Zac Bogart, Rodney Martinez | 1996-02-20 |