Valves being parts of machines; Machine parts, namely, mandrels

'machin':5,6 'mandrel':9 'name':8 'part':3,7 'valv':1

Metal components for completion and workover of oil and gas wells, namely, bridge plugs, hose tubing hangers, hose tubing anchors, pipe couplings; Metal wire mesh and sand screens for wells; metal mandrels, not being parts of machines

'anchor':20 'bridg':13 'complet':4 'compon':2 'coupl':22 'gas':10 'hanger':17 'hose':15,18 'machin':37 'mandrel':32 'mesh':25 'metal':1,23,31 'name':12 'oil':8 'part':35 'pipe':21 'plug':14 'sand':27 'screen':28 'tube':16,19 'well':11,30 'wire':24 'workov':6

Oil and gas well equipment, namely, bridge plugs and fracturing plugs composed of plastic and synthetic rubber for controlling pressure or fluids downhole

'bridg':7 'compos':12 'control':19 'downhol':23 'equip':5 'fluid':22 'fractur':10 'gas':3 'name':6 'oil':1 'plastic':14 'plug':8,11 'pressur':20 'rubber':17 'synthet':16 'well':4

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