U.S. federal trademark · Serial No. 78764243 · Reg. No. 0786127
Metal pipes with rubber cladding
[ Research and engineering services relating to rubber products for use in oil and gas wells ]
Rubber products for use in oil and gas wells namely, rubber seals; zonal isolation packers and production packers, namely, rubber packers, to form zonal isolation barriers of non-metal attached to wire wrap sand screens for water, oil and gas wells composed primarily of movable non-metal elements and packing that may be inflated by media to isolate or direct flow in the various production zones in a well that has been drilled in the ground; and seals for well completion equipment, namely, rubber seals, all for use in oil and gas wells
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