85637795
May 29, 2012
Jun 28, 2016
Well drilling rigs and parts and fittings therefor; drilling rig equipment, namely, pipe handling equipment and systems, automated catwalks, top drive systems, namely, top drives, top drive controllers, programmable logic controllers for top drives and hydraulic power units for top drives, power tongs, wellhead wrenches, and structural parts and component fittings therefor; drilling rig equipment, namely, rod shears, and parts and fittings therefor; drilling rig equipment, namely, pipe handling arms and power swivel systems, namely, power swivels, power swivel controllers, programmable logic controllers for power swivels and hydraulic power units for power swivels, and structural parts and component fittings therefor
Machinery