4. Fluid reaction surfaces (i.e., impellers)
  5. Cupped reaction surface normal to rotation plane
  6. Torque converters

Robert A. Vanderhye

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Savonius rotor blade construction particularly for a three...

Fluid reaction surfaces (i.e. – impellers) – Cupped reaction surface normal to rotation plane – Torque converters
Reexamination Certificate

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Vertical axis wind turbine rotor construction

Marine propulsion – Wind driven motors
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Wind powered boat

Marine propulsion – Wind driven motors
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2218776

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