Apparatus and method for sensing diaphragm failures in reciproca

Apparatus and method for thermoelectric cooling of an extraction

Apparatus and method for transferring slurries

Apparatus for and a method of transferring liquid

Artificial lifting device and method

Automatic optimizing pump and sensor system

Automatic pump for deep wells

Automatic starting system for hydrokinetic amplifier

Bag/syringe enclosure arrangements and methods

Barrier fluid seal, reciprocating pump and operating method

Bellows pump and pumping plant for oil-filled electric cables

Bellows pump having adjustable stop cam for varying the stroke

Below motor pressure compensation system for submersible pump

Bladeless pump

Blower units

Boundary layer control in supersonic nozzle

Bubble detection and recovery in a liquid pumping system

Bubble detection and recovery in a liquid pumping system

Cam and crank engagement for a reversible, variable...

Capacity control arrangement for fixed speed compressor