A rotor blade for a wind turbine includes a surface having a plurality of aerodynamics feature elements formed therein. The elements for influencing an airflow at the surface during operation of the wind turbine and arrayed in a two dimensional pattern....http://www.google.de/patents/US7604461?utm_source=gb-gplus-sharePatent US7604461 - Rotor blade for a wind turbine having aerodynamic feature elements
