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

Agricultural implement

Aided inertial navigation systems

Air actuated down-the-hole hammer and drill bit and foot...

Air chamber actuated dual tubing release assembly

Air chamber actuator for a perforating gun