4. Rotary kinetic fluid motors or pumps
  5. Means, disposition or arrangement for causing supersonic...

Erik Johann

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Compressor blade with reduced aerodynamic blade excitation

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Tined or irregular periphery
Reexamination Certificate

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Compressor for an aircraft engine

Rotary kinetic fluid motors or pumps – Means – disposition or arrangement for causing supersonic...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3046580

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