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Device for controlling the supply of water (or other liquid) by

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

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Device for switching a submersible motor-driven pump on and off

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

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Diaphragm-type pressurizing pump having a water stopper structur

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

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Double diaphragm pressure switch for a well water system

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

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Drain safety and pump control device

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

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Drinking water supply for automobile purpose

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

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Dry tank shutdown system for pumps

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

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