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2014
|
P/S
|
Well drilling equipment, namely, well drilling equipment for oil, gas, coal bed methane, geotherm... |
|
2010
|
Invention
|
Control system, rock drill rig and control method. A hydraulic fluid control system (1) for the c... |
|
2009
|
Invention
|
Break-out assembly for a drilling machine. A break-out assembly includes a slide wrench assembly ... |
|
|
Invention
|
Drilling machine power pack which includes a clutch. A drilling machine (100) includes a compress... |
|
|
Invention
|
Pivotable tower for angled drilling. An interface (118) apparatus between a tower (102) and platf... |
|
|
Invention
|
Feed cable system for a tower of a drilling machine. A drilling machine includes a feed cable sys... |
|
|
Invention
|
Control system and rock drill rig. A hydraulic fluid control system (1) for the control of pressu... |
|
|
Invention
|
An arrangement and a method for monitoring an air flow in a drill rig. The present invention rela... |
|
2008
|
Invention
|
Arrangement in a drill rig and a method for monitoring an air flow. The present invention relates... |
|
2007
|
Invention
|
Bit assembly for down-hole drills. A bit assembly is for a drill having a casing, a central axis ... |
|
|
P/S
|
Track-mounted, rotary blasthole drilling machines. |
|
|
Invention
|
Method and device for controlling a rock drill rig. A method and a device for controlling a drill... |
|
|
P/S
|
Track-mounted, rotary blasthole drilling machines |
|
2006
|
Invention
|
Track-mounted drilling machine with active suspension system. A drilling machine includes a frame... |
|
1996
|
Invention
|
Drill pipe handling mechanism. A breakout wrench for making and breaking joints between successiv... |
|
|
Invention
|
Drill rod changer assembly. A drill rod changer assembly for a drill rig includes an elongated su... |
|
|
Invention
|
Device for spinning drill pipe in a drill rig. A device for spinning vertical drill pipe on a dri... |
|
|
Invention
|
Flexible drill pipe. A flexible drill pipe includes a plurality of hollow tubular pipe segments, ... |
|
1994
|
Invention
|
Automatic control of drilling system. A blasthole drill is provided with sensors for sensing the ... |
|
1993
|
Invention
|
Double rod cylinder feed system. A hydraulic system for moving a drilling head in a rectilinear m... |
|
|
Invention
|
Drill pipe handling tool. A tool for handling an elongated, tubular drill pipe has an elongated b... |
|
1992
|
Invention
|
Side angle drilling apparatus. An apparatus includes a vehicular mainframe having a vehicular lon... |
|
|
Invention
|
Self positioning dust seal holder. A drilling apparatus, having a drilling tower, tiltable for an... |
|
1991
|
Invention
|
Drill feed control utilizing a variable overcenter valve. An apparatus includes a feed cylinder h... |
|
1990
|
Invention
|
Apparatus for gas liquid separation. A device for separating liquid from a mixture of the liquid ... |
|
1989
|
Invention
|
Closed loop hydraulic drill feed system. A closed loop hydraulic system for use in a rotary drill... |
|
|
Invention
|
Overcenter valve control system and method for drilling. A drill feed control system for controll... |
