4. Motors: spring, weight, or animal powered
  5. Spring
  6. With winding means

Jon B. Althof

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Air driven turbine having a blade pitch changing mechanism inclu

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment
Patent

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Air driven turbine including a blade pitch control system

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Plural diverse condition responsive
Patent

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Linear actuator with speed controlling brake

Motors: spring – weight – or animal powered – Spring – With winding means
Patent

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Profile ID: LFUS-PAI-P-1267338

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