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Control for a bilge pump

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

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Control for an electric motor driven pump

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

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Control for hydraulic accumulator system

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

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Control for integrating compressor-turbine-motor train with...

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

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Control for liquid ring vacuum pumps

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...
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Control for progressive cavity pump

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

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Control improvements in deep well pumps

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

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Control method and apparatus for peristaltic fluid pump

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...
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Control method for a dual mode compressor drive system

Pumps – Condition responsive control of pump drive motor – With plural separate drive motors for single pump unit
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Control method for displacement-type fluid machine, and apparatu

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

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Control of fluid flow in the processing of an object with a...

Pumps – Condition responsive control of pump drive motor – By control of electric or magnetic drive motor
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Control panel structure for a liquid pumping station

Pumps – Condition responsive control of pump drive motor – Plural pumps having separate drive motors – supply sources,...
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Control strategy for a thermally activated diverter valve...

Pumps – Condition responsive control of pump drive motor – Having timer or delay means
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Control switch assembly for an air pump

Pumps – Condition responsive control of pump drive motor – Pump stop control means requiring manual reset
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Control system and method for AC motor driven cyclic load

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...
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Control system and method for protection against breakage of...

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

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Control system and method to control variable hydraulic pumps wi

Pumps – Condition responsive control of pump drive motor – Responsive to pump or pump fluid temperature
Patent

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Control system for engine-driven compressor unit and method of o

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...
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Control system for fire pump

Pumps – Condition responsive control of pump drive motor – By controlling internal combustion drive engine
Reexamination Certificate

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Control system for hydraulic drive

Pumps – Condition responsive control of pump drive motor – With control of pump drive transmission
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