Adjusting alloy compositions for selected properties in...

Adjusting salinity to achieve low interfacial tension...

Advance method and apparatus for mining

Advance of pipe elements in the ground

Advance/retreat cutting miner

Advanced activation and measurement device used during...

Advanced expandable reaming tool

Advanced gas injection method and apparatus liquid...

Advanced mechanism, preferably for mining machines

Advanced method and device for enhancing production loggings...

Advanced monitoring device for yield well deposit

Advancement device for a horizontal earth boring machine

Advancing device for boring sections of roadway, tunnels or...

Advancing heated annulus steam drive

Advancing support device for coal and ore extraction works

Advancing type well packer

Aerated degasser

Aggregate delivery unit

Agitator tool

Agitator tool for progressive cavity pump