4. Rotary kinetic fluid motors or pumps
  5. Plural runners supported for relative motion or on separate...
  6. Serially spaced in working fluid flow path

Lev Kazatchkov

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Continuous flow rotary pump

Rotary kinetic fluid motors or pumps – Plural runners supported for relative motion or on separate... – Serially spaced in working fluid flow path
Reexamination Certificate

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Hydraulic seal for rotary pumps

Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Dynamically created seal
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Prosthetic heart valve

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2083350

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