4. Rotary kinetic fluid motors or pumps
  5. Axially opposed working fluid paths to or from runner
  6. Pump impeller means

David Paul Blatchford

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Axial flow stream turbines

Rotary kinetic fluid motors or pumps – Axially opposed working fluid paths to or from runner – Pump impeller means
Reexamination Certificate

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Turbine blade and diaphragm construction

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural distributing means immediately upstream of runner
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Turbine blade and turbine rotor assembly

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having multiple parts welded – cemented – or fused
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3066334

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