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US3060860A
|
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End bell for motor-pump unit
|
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US3061384A
|
|
Thrust bearing
|
|
US3073635A
|
|
Shaft coupling
|
|
US2999725A
|
|
Lubricator system
|
|
US2886756A
|
|
Plugging of single phase motors
|
|
US2991518A
|
|
Apparatus for and method of casting
|
|
US2847629A
|
|
Instantly reversing motor
|
|
US2975347A
|
|
Liquid level control system
|
|
US2877068A
|
|
Bearing assembly
|
|
US2972708A
|
|
Protective means for submersible pump-motors
|
|
US2847631A
|
|
Protection and remote operating control of electric motors
|
|
US2958842A
|
|
Cable connector
|
|
US2794161A
|
|
Overload protectors
|
|
US2915978A
|
|
Motor pump unit
|
|
US2786953A
|
|
Watt sensitive device
|
|
US2853949A
|
|
Combined motor-pump apparatus
|
|
US2804019A
|
|
Submersible sump pump control
|
|
US2856574A
|
|
Low water protector
|
|
US2950129A
|
|
Mechanical and hydraulic absorbing means for a submersible pump system
|
|
US2849695A
|
|
Core construction
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