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Expandable line support for wind turbine
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Patent number 7,985,047
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Issue date Jul 26, 2011
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General Electric Company
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Jens Hennig
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Speed controlled pitch system
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Patent number 7,956,482
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Issue date Jun 7, 2011
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General Electric Company
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Jacob Johannes Nies
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Pitch drive system for a wind turbine
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Patent number 7,513,742
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Issue date Apr 7, 2009
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General Electric Company
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Peter Rogall
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...