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

Erwan Daniel Botrel

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Turbine vane with enhanced profile

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface
Reexamination Certificate

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Turbomachine blade

Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2499948

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