Kathryn E. Johnson

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Adaptive pitch control for variable speed wind turbines
- Patent number 8,174,136
- Issue date May 8, 2012
- Alliance for Sustainable Energy, LLC
- Kathryn E. Johnson
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
Adaptive Pitch Control for Variable Speed Wind Turbines
- Publication number 20090295159
- Publication date Dec 3, 2009
- ALLIANCE FOR SUSTAINABLE ENERGY, LLC
- Kathryn E. Johnson
- G05 - CONTROLLING REGULATING