MLEVEL Trademark

Automatic vacuum control devices, namely, automatic valves; Scientific leak detectors for determining water content in petroleum products; Mechanical coding devices, namely, magnetic encoders; Automatic control devices, namely, automatic liquid-flow control machines; Gas flow control devices, namely, control valves for regulating the flow of gasses; Programmable control devices, namely, programmable pressure controllers for controlling the pressure of liquid, semi-liquid, and gaseous substances in industrial processes; Detection devices, namely, leak detectors for vacuum pumps, radiation detectors; Automatic dosing devices, namely, dosage dispensing machines for measuring and dispensing portions of fluids, not for medical use; Volumetric measuring devices, namely, sensors for measuring fluid volume for the oil industry; Regulating and control apparatus, namely, pressure regulators for gas lines and pipes, automatic valves for controlling the flow of oil in pipelines; Uninterruptible power supply apparatus; Regulated power supply apparatus; Detection apparatus and instruments, namely, fire and smoke detectors, ultrasonic flaw detectors; Electrical devices for processes control, namely, pressure controllers for controlling liquid and gas pressure in industrial processes; Gas detectors for detecting the presence of gas; Electric power-line transmission machines and apparatus; Electric valves thermionic; Electric control valves

Construction of structures for the storage of crude oil; Construction of structures for the production of crude oil; Construction of hydroelectric factories; Construction of oil and gas storage facilities; Extraction of oil from oil fields; Oil extraction; Mining extraction; Installation of oil production apparatus; Installation of oil exploration instruments; Installation of oil refineries, namely, installation of refining equipment in oil refineries; Installation of hydroelectric systems; Maintenance and repair of oil and gas maintenance facilities; Drilling of water and oil wells; Drilling of deep oil and gas wells; Oil drilling and pumping; Renovation of nuclear power plants; Repair or maintenance of nuclear power plants; Oil well casing, tubing, and drill pipe installation; Oil extraction services; Oil drilling services