Boring or penetrating the earth – Processes – Boring with specific fluid
Reexamination Certificate
2006-10-10
2006-10-10
Bagnell, David (Department: 3672)
Boring or penetrating the earth
Processes
Boring with specific fluid
C134S095300, C166S222000
Reexamination Certificate
active
07117959
ABSTRACT:
A decoking system that not only enables an operator to remotely switch the coke-cutting process from boring to cutting mode without removing the drill stem from the coke drum, but also to remotely determine the drill stem's mode so that efficiency, safety and convenience are not compromised, is provided.
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Bagnell David
Curtiss-Wright Flow Control Corporation
Kirton & McConkie
Krieger Michael F.
Stephenson Daniel P
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