Boring or penetrating the earth – Boring by directly applying heat to fluidize or comminute – Electrically produced heat
Reexamination Certificate
2005-08-19
2008-08-26
Dang, Hoang (Department: 3672)
Boring or penetrating the earth
Boring by directly applying heat to fluidize or comminute
Electrically produced heat
Reexamination Certificate
active
07416032
ABSTRACT:
The present invention provides for pulsed powered drilling apparatuses and methods. A drilling apparatus is provided comprising a bit having one or more sets of electrodes through which a pulsed voltage is passed through a mineral substrate to create a crushing or drilling action.
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No A
Hill Gilman
Moeny William M.
Dang Hoang
Oaxaca Vidal A.
Peacock Deborah A.
Peacock & Myers, P.C.
Tetra Corporation
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