1
Dan Keith McCoin: Wind energy conversion system. WECS, August 29, 2006: US07098552 (97 worldwide citation)

A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. The wind turbines are supported ...


2
Dan Keith McCoin: Wind energy conversion system. WECS, October 3, 2006: US07116006 (96 worldwide citation)

A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. The wind turbines are supported ...


3
Dan Keith McCoin: Wind energy conversion system. WECS, October 4, 2005: US06952058 (89 worldwide citation)

A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. The wind turbines are supported ...


4
Dan Keith McCoin: Wind energy conversion system. Epstein & Gerken, December 9, 2004: US20040247438-A1

A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. The wind turbines are supported ...


5
Dan Keith McCoin: Wind energy conversion system. Epstein & Gerken, April 21, 2005: US20050082839-A1

A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. The wind turbines are supported ...


6
Dan Keith McCoin: Wind energy conversion system. Epstein & Gerken, January 12, 2006: US20060006658-A1

A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. The wind turbines are supported ...


7
Dan Keith McCoin: Wind energy conversion system. Epstein & Gerken, January 19, 2006: US20060012182-A1

A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. The wind turbines are supported ...



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