4. Rotary kinetic fluid motors or pumps
  5. Including means for handling portion separated from working...
  6. Moisture or liquid separated from gaseous working fluid...

Douglas Carl Hofer

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Diffusing coupling cover for axially joined 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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Flowpath sealing and streamlining configuration for a turbine

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

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Fluidic actuation for improved diffuser performance

Rotary kinetic fluid motors or pumps – Method of operation
Reexamination Certificate

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Integral cover bucket design

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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Method and apparatus for bucket natural frequency tuning

Fluid reaction surfaces (i.e. – impellers) – Method of operation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2493386

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