4. Rotary kinetic fluid motors or pumps
  5. Bearing, seal, or liner between runner portion and static part
  6. Means to seal radial flow pump runner inlet from outlet

Pao-Yin Ou

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Centrifugal pump impeller

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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Electric medical scooter

Transportation – Perambulator – invalid chair – or stretcher
Design Patent

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Electric vehicle for recreation and traveling

Transportation – Cycle or motorcycle – Motorcycle or frame
Design Patent

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Floatable impeller for multistage metal working pump

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Reexamination Certificate

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Foldable electric vehicle for recreation and traveling

Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2068390

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