4. Rotary kinetic fluid motors or pumps
  5. Bearing, seal, or liner between shaft or shaft sleeve and...
  6. Seal

John C. Dahlheimer

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Bellows face seal assembly

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Reexamination Certificate

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Deflectable enclosure cover

Rotary kinetic fluid motors or pumps – Including casing part selectively movable relative to fixed...
Reexamination Certificate

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Elastomeric pump impeller

Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means
Reexamination Certificate

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Extended life mechanical face seal assembly

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Face seal with constriction ring

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Reexamination Certificate

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Profile ID: LFUS-PAI-P-443547

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