Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11511408 | Impact hand tool | — | 2022-11-29 |
| 11472526 | Oar apparatus having a pivoting oar blade | — | 2022-10-18 |
| 11358694 | Oar apparatus having a pivoting oar blade | — | 2022-06-14 |
| 10107261 | System and method for reducing oscillation loads of wind turbine | Danian Zheng, Xiongzhe Huang, Conner Brooks Shane, Raveendra Penmatsa, Jignesh Gandhi +1 more | 2018-10-23 |
| 9341159 | Methods for controlling wind turbine loading | Arne Koerber, Leonardo Cesar Kammer, Charudatta Subhash Mehendale | 2016-05-17 |
| 8803352 | Wind turbines and methods for controlling wind turbine loading | Arne Koerber, Leonardo Cesar Kammer, Charudatta Subhash Mehendale | 2014-08-12 |
| 7581921 | Methods and apparatus for controlling rotary machines | Bharat Sampathkumaran Bagepalli, Patrick Lee Jansen, Gary Randall Barnes, Thomas Frank Fric, James P. Lyons +2 more | 2009-09-01 |
| 7352075 | Methods and apparatus for controlling rotational speed of a rotor | Lawrence D. Willey, John Cunningham, Eric Gebhardt, Ulrich Uphues, Kirk Gee Pierce | 2008-04-01 |
| 7095131 | Variable speed wind turbine generator | Amir S. Mikhail, Craig L. Christenson, Kevin L. Cousineau, William L. Erdman | 2006-08-22 |
| 7042110 | Variable speed distributed drive train wind turbine system | Amir S. Mikhail, Kevin L. Cousineau, Lawrence Howes, William L. Erdman | 2006-05-09 |
| 6856039 | Variable speed wind turbine generator | Amir S. Mikhail, Craig L. Christenson, Kevin L. Cousineau, William L. Erdman | 2005-02-15 |
| 6847128 | Variable speed wind turbine generator | Amir S. Mikhail, Craig L. Christenson, Kevin L. Cousineau, William L. Erdman | 2005-01-25 |
| 6600240 | Variable speed wind turbine generator | Amir S. Mikhail, Craig L. Christenson, Kevin L. Cousineau, William L. Erdman | 2003-07-29 |
| 6420795 | Variable speed wind turbine generator | Amir S. Mikhail, Craig L. Christenson, Kevin L. Cousineau, William L. Erdman | 2002-07-16 |
| 6137187 | Variable speed wind turbine generator | Amir S. Mikhail, Craig L. Christenson, Kevin L. Cousineau, William L. Erdman | 2000-10-24 |
| 5289041 | Speed control system for a variable speed wind turbine | — | 1994-02-22 |
| 5155375 | Speed control system for a variable speed wind turbine | — | 1992-10-13 |