4. Rotary kinetic fluid motors or pumps
  5. Bearing, seal, or liner between runner portion and static part
  6. Between blade edge and static part

Frederick Clell Walden

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Abradable seal having improved properties

Seal for a joint or juncture – Seal between relatively movable parts – Close proximity seal
Reexamination Certificate

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Abradable seal having improved properties and method of producin

Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part
Patent

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Profile ID: LFUS-PAI-P-1804654

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