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

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Friction vacuum pump with a stator and a rotor

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

Reexamination Certificate

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Friction vacuum pump with bearing support

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

Patent

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Friction vacuum pump with pump sections of different designs

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

Patent

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Gas friction pump

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

Reexamination Certificate

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Gas friction pump

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

Reexamination Certificate

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Gas friction pump

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

Reexamination Certificate

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Gas friction pump

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

Reexamination Certificate

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Gas friction pump having an outlet-side helical stage

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

Patent

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Gas friction vacuum pump having a cooling system

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

Patent

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Gas friction vacuum pump having at least three differently confi

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

Patent

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Gas-moving device

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

Patent

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Geothermal turbine and method of using the same

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

Patent

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Hard vacuum pump

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

Patent

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Heteroscopic turbine

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

Reexamination Certificate

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