Blowout preventer packing element with metallic inserts
BOP assembly with metal inserts
Cylinder head gasket
Diverter flow line seal
Extended range variable bore ram packer for a ram type...
One-piece ram element block for wireline blowout preventers
Pressure compensated stuffing box for reciprocating pumping...
Rubber riveting of molded parts
Seal for a longitudinally movable drillstring component
Variable bore ram
Variable bore ram packer for tapered tubular members in a...