|
US4279546A
|
|
Grout seal premature inflation protective system
|
|
US4171923A
|
|
Offshore structure gravity grouting method
|
|
US4145158A
|
|
Diaphragm closure support system
|
|
US4160612A
|
|
Tube closure
|
|
US4183189A
|
|
Flange connector
|
|
US4082468A
|
|
Quick release sleeve retained split nut-bolt structure
|
|
US4124988A
|
|
Seal assembly for hollow tubular structure
|
|
US4084801A
|
|
Shock energy absorbing multi-segment load cell
|
|
US4009581A
|
|
Grout line protected pressure lines for setting sleeve packers
|
|
US4087978A
|
|
Multiple diaphragm seal assembly
|
|
US3988013A
|
|
Shock absorber assembly
|
|
DE2448608A1
|
|
Pipe line mole cleaner - with central core made from flexible material and cylindrical outer cover connected by plate
|
|
GB1444496A
|
|
Foam filled pipeline pig
|
|
US3868826A
|
|
Clustered and protected pressure lines for setting sleeve packers
|
|
US3933111A
|
|
Dock bumper unit
|
|
US3890665A
|
|
Pipeline cleaning ball and valve structure
|
|
US3875606A
|
|
Foam filled pipeline pig
|
|
US3724337A
|
|
Expanded-ring swab cup cage
|
|
US3724338A
|
|
Swab cup cage
|
|
US3691584A
|
|
Disc supported cup
|
