4. Metal working
  5. Method of mechanical manufacture
  6. Impeller making

Nripendra Nath Das

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Aluminide or chromide coating of turbine engine rotor component

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

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Apparatus for retaining an internal coating during article...

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Vane or deflector
Reexamination Certificate

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Article including a substrate with a metallic coating and a...

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate

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Article including a substrate with a metallic coating and a...

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate

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Bond coat process for thermal barrier coating

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

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Profile ID: LFUS-PAI-P-2485972

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