Hydraulic and earth engineering – Foundation – Columnar structure
Reexamination Certificate
2011-08-23
2011-08-23
Wright, Giovanna C (Department: 3672)
Hydraulic and earth engineering
Foundation
Columnar structure
C405S240000, C405S243000, C175S056000, C175S171000
Reexamination Certificate
active
08002502
ABSTRACT:
The present invention relates to a method for drilling a hole and installing a geothermal transfer apparatus. A sonic drilling apparatus is positioned at a desired location. The sonic drilling apparatus includes a rotating and vibrating apparatus for rotating and vibrating a hollow drill string into the ground, the hollow drill string having an inner space. The hole is drilled to a desired depth by rotating and vibrating the hollow drill string into the ground while discharging fluid into the inner space of the hollow drill string. A geothermal transfer apparatus is lowered into the inner space of the hollow drill string following the drilling of the hole to the desired depth. The drill string is then removed from the ground.
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Berenato & White LLC
Roussy Raymond J.
Wright Giovanna C
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