4. Pumps
  5. Motor driven
  6. Electric or magnetic motor

Hans Kriechel

Inventor

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Blower or pump with capillary filter for replenishment of oil se

Pumps – Motor driven – Electric or magnetic motor
Patent

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Gas friction pump having a bell-shaped rotor

Pumps – Motor driven – Electric or magnetic motor
Patent

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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 at least three differently confi

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

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Radial turbo-blower

Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1100161

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