4. Rotary kinetic fluid motors or pumps
  5. Bearing, seal, or liner between runner portion and static part
  6. Between blade edge and static part

David William Crall

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Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Axially extending shroud ring or casing
Reexamination Certificate

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Counterrotatable booster compressor assembly for a gas...

Power plants – Reaction motor – Interrelated reaction motors
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Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Welded – cemented or fused
Reexamination Certificate

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Metallic article with integral end band under compression

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Coating – specific composition or characteristic
Reexamination Certificate

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Method and apparatus for fabricating gas turbine engines

Rotary kinetic fluid motors or pumps – Including destructible – fusible – or deformable non-reusable...
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Profile ID: LFUS-PAI-P-2273029

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