Drilling mast with movable and fixed unscrewing vice

Earth borer system with drill-rod changer

Earth drilling apparatus

Equipment for handling drill rods

Fingerboard with pneumatically actuated finger latches

Fixture for the production of bores with single or double rods

Floor drive drilling system

Gripping mechanism for a directional drilling machine

Ground drilling machine and rod exchanger utilized therefor

Hydraulic drilling rig and power swivel

Hydraulic drilling rig and power swivel

Magazine and manipulating apparatus for drilling rod parts

Magazine for storing drill string elements

Method and a drilling rig for drilling a bore well

Method and apparatus for changing bits while drilling with a fle

Method and apparatus for displacing a top drive torque track

Method and apparatus for drilling holes in soil or rock

Method and apparatus for indexing between selected columns...

Method of blocking a pocket of a multi-pocket feed member...

Method of lubricating and lubricant spraying apparatus