4. Fluid reaction surfaces (i.e., impellers)
  5. Specific blade structure
  6. Coating, specific composition or characteristic

Don J. Lemen

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Laminar flow shielding of fluid jet

Coating processes – Spray coating utilizing flame or plasma heat
Patent

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Zirconia-based tipped blades having macrocracked structure

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

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