Sintered tungsten liners for shaped charges

Slackening type blasting method

Small charge blasting apparatus including device for sealing...

Smooth wall blasting in rock

Solid propellant gas generator with adjustable pressure...

Standoff mine neutralization system and method

Stemming arrangement and method for blast holes

Structure of slackening type blasting mat

Substantially lead-free tin alloy sheath material for explosive-

Suppressing explosions and installation

Surface safe rig environment detonator

System for the initiation of downhole explosive and propellant s

Tanged charge holder

Three-phase hypervelocity projectile launcher

Time fuze for unpredictably-detonating scatter ammunition

Tin alloy sheath material for explosive-pyrotechnic linear produ

Tungsten enhanced liner for a shaped charge

Tungsten enhanced liner for a shaped charge

Tunnel driving method

Underground jet perforating using resistive blasting caps