4. Rotary kinetic fluid motors or pumps
  5. With means for re-entry of working fluid to blade set
  6. Turbine regenerative pump

Osaka Vacuum, Ltd.

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Pump apparatus and pump unit thereof

Pumps – Electrical or getter type – Getter heating – vaporizing – or regeneration
Reexamination Certificate

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Thread groove type vacuum pump

Rotary kinetic fluid motors or pumps – Runner has spirally arranged blade or fluid passage – Extending along runner axis
Patent

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Thread groove type vacuum pump

Rotary kinetic fluid motors or pumps – Smooth runner surface for working fluid frictional contact
Patent

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Vacuum pump

Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Turbine regenerative pump
Patent

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Vacuum pump

Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Turbine regenerative pump
Patent

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