Pipes and tubular conduits – Plural duct – Coaxial
Reexamination Certificate
2008-01-01
2008-01-01
Brinson, Patrick F. (Department: 3754)
Pipes and tubular conduits
Plural duct
Coaxial
C138S121000, C138S177000
Reexamination Certificate
active
07314066
ABSTRACT:
An air distributor for use in heap or dump leaching systems is disclosed. The air distributor includes an air pipe having a series of holes for releasing air from the pipe and one or more protective members spaced outwardly of the air holes to shield the air holes.
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Castillo Danny Ignacio
Smithson Elliott Paul
BHP Billiton Innovation Pty Ltd.
Brinks Hofer Gilson & Lione
Brinson Patrick F.
Nichols G. Peter
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