LandOfFree - US Patents - Listing for Boring or penetrating the earth,Boring with explosion in inaccessible hole

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Capsule charge perforating system

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With wall engaging packer or anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Chamber isolator and sealing means for borehole perforating tool

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Concave-shaped charge

Patent

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Charge holder apparatus

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Concave-shaped charge

Reexamination Certificate

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Charge holder apparatus

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Concave-shaped charge

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Charge tube assembly for a perforating gun

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Circulating gun system

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With wall engaging packer or anchor

Reexamination Certificate

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Combined gravel packing and perforating method and apparatus for

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With wall engaging packer or anchor

Patent

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Components and methods for use with explosives

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With bore condition firing control – or compensating means

Reexamination Certificate

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Control system for borehole tools

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Independent firing of plural charges

Patent

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Core sample taking bullet construction

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Patent

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