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

John Paul Urban

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Center-located cutter teeth on shrouded turbine blades

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

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Methods and apparatus for cooling gas turbine engine rotor...

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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Second stage turbine bucket airfoil

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2741024

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