A drilling apparatus having in-line extending wings and...
A drilling equipment and a method for regulating its...
A drilling hole system
A drilling machine having rotary tools
A drilling method and bit assembly to realize the method
A drilling method for maintaining productivity while...
A drilling rig and a method for moving a drilling rig
A drilling rig and drawworks therefor
A drilling tool, a self-drilling rock bolt, a drill bit, an...
A drillpipe assembly and a method of deploying a logging tool
A drillpipe sub
A drive device for moving an object
A drive for a cutting or grinding machine
A drive sub for receipt of bit segments
A dry-pack method of recycling organic fibre and other...
A drywall corner or a transition corner
A dual actuation button assembly
A dual flush assembly for water closets
A dual flush system for a toilet tank
A dynamic centralizer design for probe type measuring while...