Description: Class 7: Well drilling machines and parts therefor; pumps, namely piston pumps, plunger pumps, hydraulic pumps, diaphragm pumps, peristaltic pumps, centrifugal pumps, electric pumps; submersible pumps; pressure regulators being parts of machines; pressure valves as parts of machines; tanks and pipe sections for well drilling machines; machines and parts therefor for use in connection with measuring, controlling and monitoring of volume during well drilling; aforementioned goods for use in connection with oil and gas extraction
Class 37: Drilling of wells; installation, repair, maintenance and rental of equipment for regulating, monitoring and controlling the drilling of wells; installation, repair, maintenance and rental of machines, namely mud pumps, trip tanks, valves and sensors, and pumps, namely piston pumps, plunger pumps, hydraulic pumps, diaphragm pumps, peristaltic pumps, centrifugal pumps, electric pumps and parts therefor and pressure recorders, and apparatus and instruments for use in connection with oil and gas extraction; installation, repair, maintenance and rental of machines mud pumps, trip tanks, valves and sensors, and parts therefor, pumps, namely piston pumps, plunger pumps, hydraulic pumps, diaphragm pumps, peristaltic pumps, centrifugal pumps, electric pumps and pressure recorders, and apparatus and instruments for use in connection with drilling of wells; installation, repair, maintenance and rental of machines, namely mud pumps, trip tanks, valves and sensors and parts therefor, pumps, namely piston pumps, plunger pumps, hydraulic pumps, diaphragm pumps, peristaltic pumps, centrifugal pumps, electric pumps and pressure recorders, and apparatus and instruments for use in connection with measuring, controlling and monitoring of volume during well drilling
