LandOfFree - US Patents - Listing for Rotary kinetic fluid motors or pumps,Smooth runner surface for working fluid frictional contact

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Vacuum pump with shaft bearing

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

Patent

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Vacuum pumping arrangement

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

Reexamination Certificate

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Vacuum pumps

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

Patent

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Vacuum pumps

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

Patent

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Vacuum pumps

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

Reexamination Certificate

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Vacuum pumps

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

Reexamination Certificate

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Vacuum pumps

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

Patent

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Vacuum pumps with improved impeller configurations

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

Reexamination Certificate

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Vacuum pumps with improved pumping channel configurations

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

Reexamination Certificate

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Vane-disk type turbomolecular pump and etching method of manufac

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

Patent

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Vaneless centrifugal pump

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

Patent

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Viscosity impeller

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

Patent

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Viscosity pump

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

Patent

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Viscous drag impeller components incorporated into pumps,...

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

Reexamination Certificate

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