Description: Class 7: Machines and machine tools for use in oil and gas drilling and well-servicing operations, namely, master racking systems comprised of pipe rackers, bridge rackers, and guide arms, stand-building systems comprised of hydraulic catwalks, pipe feeders and loaders, and stabbing systems comprised of stabbing machines, pipe aligners, and elevated work platforms; hydraulic and mechanical components of drilling rig structures for aligning drill pipe and casing, namely, guide dollies, retract dollies, guide tracks, fingerboards, rackers, and parking systems comprised of tracks and trolleys for moving or storing drill pipes; machines and machine tools for use in oil and gas drilling, namely, hydraulic or mechanical stabbing arms and stand-building machines; lifting and hoisting equipment for drilling rigs, namely, cranes, cat heads, crown blocks, traveling blocks, gin poles, and derrick extensions; mobile lifting or elevating worker access platforms for pipe-handling operations, namely, light-weight and heavy-duty casing stabbing boards; and hydraulic or powered rig structures, namely, derricks, masts, and substructures
Class 37: Construction project management services in the field of construction of offshore and land drilling rigs; Maintenance and repair services for offshore and land drilling rigs; Rope-access rigging services, namely, installation, maintenance, and repair of oil and gas drilling equipment and structures using rope-access techniques
Class 40: Metal fabrication and finishing services for others
Class 42: Custom design and engineering of offshore and land rig derricks and equipment; Engineering design services in the field of offshore and land drilling rigs; Nondestructive examination (NDE) testing and inspection services for metal structures, drilling rigs, and machinery for quality control purposes
Class 45: Nondestructive examination (NDE) testing and inspection services for metal structures, drilling rigs, and machinery for safety purposes
