4. Fluid reaction surfaces (i.e., impellers)
  5. Specific blade structure
  6. Cantilever blade

John A. Orosa

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Frequency-mistuned light-weight turbomachinery blade rows...

Fluid reaction surfaces (i.e. – impellers) – Unsymmetrical impeller or dissimilar working members
Reexamination Certificate

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Swept turbomachinery blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Cantilever blade
Patent

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Swept turbomachinery blade

Rotary kinetic fluid motors or pumps – Means – disposition or arrangement for causing supersonic...
Reissue Patent

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