Oil well and gas well pumping machines, and hydraulic surface units for rod-pumped oil wells and gas wells, namely, systems of hydraulic drives, hydraulic cylinders, hydraulic pumps, motors, valves, sensors, switches, and electronic controls

'control':36 'cylind':27 'drive':25 'electron':35 'gas':4,19 'hydraul':9,24,26,28 'machin':7 'motor':30 'name':21 'oil':1,16 'pump':6,15,29 'rod':14 'rod-pump':13 'sensor':32 'surfac':10 'switch':33 'system':22 'unit':11 'valv':31 'well':2,5,17,20

Control systems and monitoring systems for oil well and gas well pumping equipment and installations, namely, electronic and hydraulic control systems for rod-pumped oil wells and gas wells, and prime mover monitoring, tank level monitoring, natural gas flow rate monitoring, and well location video surveillance equipment; electronic sensors for sensing position, pressure, temperature, voltage, and amperage for oil well and gas well pumping equipment; electric switches; electronic control systems for machines

'amperag':58 'control':1,20,70 'electr':67 'electron':17,49,69 'equip':13,48,66 'flow':40 'gas':10,29,39,63 'hydraul':19 'instal':15 'level':36 'locat':45 'machin':73 'monitor':4,34,37,42 'mover':33 'name':16 'natur':38 'oil':7,26,60 'posit':53 'pressur':54 'prime':32 'pump':12,25,65 'rate':41 'rod':24 'rod-pump':23 'sens':52 'sensor':50 'surveil':47 'switch':68 'system':2,5,21,71 'tank':35 'temperatur':55 'video':46 'voltag':56 'well':8,11,27,30,44,61,64

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