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Methods and apparatus for monitoring progressive cavity pumps

Pumps – Condition responsive control of pump drive motor – Responsive to pump lubricant – sealant – or coolant condition
Patent

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Methods and apparatus for producing uniform discharge and suctio

Pumps – Condition responsive control of pump drive motor – Plural pumps having separate drive motors – supply sources,...
Patent

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Methods and system for motor optimization using capacitance...

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

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Methods and systems for controlling the operation of means for c

Pumps – Condition responsive control of pump drive motor – With condition responsive control of pump fluid valve
Patent

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Micro-processor control of compression ratio at full load in a h

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

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Microdosing device and method for operating same

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

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Micropump

Pumps – Condition responsive control of pump drive motor – Responsive to accumulation of pumped liquid in receiver
Reexamination Certificate

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Mini-environment control system and method

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...
Reexamination Certificate

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Mobile air charging system

Pumps – Condition responsive control of pump drive motor – By stopping pump in response to leakage into or from system
Patent

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Modular air circulator control

Pumps – Condition responsive control of pump drive motor – Having timer or delay means
Reexamination Certificate

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Modular balanced foam flow system

Pumps – Condition responsive control of pump drive motor – By controlling drive motor motive fluid
Reexamination Certificate

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Modular condensate pump assembly

Pumps – Condition responsive control of pump drive motor – Responsive to accumulation of pumped liquid in receiver
Reexamination Certificate

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Monitoring of fluid flow

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...
Patent

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Monitoring pump stroke for minimizing pump-off state

Pumps – Condition responsive control of pump drive motor – Having timer or delay means
Patent

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Motor control housing and junction box for a submersible pump

Pumps – Condition responsive control of pump drive motor – Responsive to accumulation of pumped liquid in receiver
Patent

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Motor control system for a constant flow vacuum pump

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

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Motor controller for a hydraulic pump with electrical...

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

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Motor controller for electrical submersible pumps

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...
Patent

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Motor drive circuit for pressure control of a pumping system

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

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Motor driven fuel pump and control system for internal combustio

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