| 7581926 |
Servo-controlled extender mechanism for extendable rotor blades for power generating wind and ocean current turbines |
James G. P. Dehlsen |
2009-09-01 |
| 7535120 |
Power system with low voltage ride-through capability |
William L. Erdman, Kevin L. Cousineau |
2009-05-19 |
| 7432686 |
Wind turbine generator apparatus with utility fault ride-through capability |
William L. Erdman, Kevin L. Cousineau |
2008-10-07 |
| 7339355 |
Generator with utility fault ride-through capability |
William L. Erdman, Kevin L. Cousineau |
2008-03-04 |
| 7233129 |
Generator with utility fault ride-through capability |
William L. Erdman, Kevin L. Cousineau |
2007-06-19 |
| 7095131 |
Variable speed wind turbine generator |
Craig L. Christenson, Kevin L. Cousineau, William L. Erdman, William E. Holley |
2006-08-22 |
| 7069802 |
Distributed power train (DGD) with multiple power paths |
Edwin C. Hahlbeck |
2006-07-04 |
| 7042110 |
Variable speed distributed drive train wind turbine system |
Kevin L. Cousineau, Lawrence Howes, William L. Erdman, William E. Holley |
2006-05-09 |
| 7002259 |
Method of controlling electrical rotating machines connected to a common shaft |
Lawrence Howes, Geoff F. Deane |
2006-02-21 |
| 6955025 |
Self-erecting tower and method for raising the tower |
James G. P. Dehlsen |
2005-10-18 |
| 6856039 |
Variable speed wind turbine generator |
Craig L. Christenson, Kevin L. Cousineau, William L. Erdman, William E. Holley |
2005-02-15 |
| 6847128 |
Variable speed wind turbine generator |
Craig L. Christenson, Kevin L. Cousineau, William L. Erdman, William E. Holley |
2005-01-25 |
| 6726439 |
Retractable rotor blades for power generating wind and ocean current turbines and means for operating below set rotor torque limits |
Geoffrey F. Deane |
2004-04-27 |
| 6600240 |
Variable speed wind turbine generator |
Craig L. Christenson, Kevin L. Cousineau, William L. Erdman, William E. Holley |
2003-07-29 |
| 6420795 |
Variable speed wind turbine generator |
Craig L. Christenson, Kevin L. Cousineau, William L. Erdman, William E. Holley |
2002-07-16 |
| 6137187 |
Variable speed wind turbine generator |
Craig L. Christenson, Kevin L. Cousineau, William L. Erdman, William E. Holley |
2000-10-24 |
| 4976587 |
Composite wind turbine rotor blade and method for making same |
J. Ford Johnston, William A. Farone |
1990-12-11 |