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Electric motor operated impeller

Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Patent

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Electric motor pump for swimming pool maintenance

Pumps – Successive stages – With interstage discharge or additional discharge from...
Reexamination Certificate

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Electric motor pump with axial-flow impellers

Pumps – Motor driven – Motor rotor intermediate coaxial pump rotors
Reexamination Certificate

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Electric motor pump with magnetic coupling and thrust...

Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate

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Electric motor with a fan wheel, for forming an axial or...

Pumps – Condition responsive control of pump drive motor – By control of electric or magnetic drive motor
Reexamination Certificate

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Electric motor with attached pump

Pumps – Motor driven – Electric or magnetic motor
Patent

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Electric motor with circulator pump

Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate

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Electric motor-driven fuel pump

Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate

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Electric motor-driven impeller-type air pump

Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Patent

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Electric motor-driven two-stage fuel pump

Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Patent

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Electric motor-driven, double-acting pump having pressure-respon

Pumps – Condition responsive control of pump drive motor – Responsive to change in rate of pump fluid flow
Patent

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Electric motor-pump assembly

Pumps – Motor driven – Electric or magnetic motor
Patent

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Electric motor/radial pump assembly

Pumps – Motor driven – Including means for facilitating assembly or disassembly of...
Utility Patent

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Electric oil pump apparatus

Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Reexamination Certificate

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Electric power connection for electrically assisted...

Pumps – Motor driven – Fluid motor
Reexamination Certificate

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Electric pump

Pumps – Motor driven – Pump within rotary working member
Reexamination Certificate

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Electric pump

Pumps – Motor driven – Common rotary pumping and fluid motor working member
Patent

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Electric pump

Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate

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Electric pump

Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate

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Electric pump

Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Reexamination Certificate

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