4. Fluid reaction surfaces (i.e., impellers)
  5. Rotor having flow confining or deflecting web, shroud or...
  6. Radially extending web or end plate

Yee-Ren Chen

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Integrally formed stamped sheet-metal blades having 3D...

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

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Integrally formed stamping sheet-metal blades having 3D...

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2586037

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