SAND STOP Trademark

Metal casings used to stabilize the wellbore in oil and gas wells; Metal clad pipes; Metallic pipes; Metal pipes and metal fittings therefor; Metal pipes and tubes; Metal pipes for liquid and gas transfer; Pipe connectors of metal; Pipes of metal; Tubes of metal for industrial use

Drilling machines; Oil field equipment, namely, drilling rig mechanical handling machines and devices; Oil field equipment, namely, drilling rig mechanization machines and devices; Oilfield production machines for extracting oil from geological layers and processing hydrocarbons; Oil-well pumping machines; Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; Well drilling machines