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

John Zhiqiang Wang

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Angel wing seals for blades of a gas turbine and methods for...

Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between axial flow runner and vane or vane diaphragm structure
Reexamination Certificate

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Method of processing a multiple alloy rotor

Metal working – Method of mechanical manufacture – Impeller making
Reexamination Certificate

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Multiple alloy rotor

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Specific casing or vane material
Reexamination Certificate

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Multiple alloy rotor and method therefor

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – With runner shaft of specific shape or material
Reexamination Certificate

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Process for producing a rotor

Metal working – Method of mechanical manufacture – Impeller making
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2432655

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