Material or article handling – Load support has linear vertical movement and additional...
Reexamination Certificate
2011-05-24
2011-05-24
Adams, Gregory W (Department: 3652)
Material or article handling
Load support has linear vertical movement and additional...
C414S746500, C414S910000, C138S113000
Reexamination Certificate
active
07946798
ABSTRACT:
A casing pipe and drill rod handler for joining the drill rod in a casing pipe. A pipe sled is provided on a drilling rig, the pipe sled comprising an elongated track with a cart slidably mounted on the track to accommodate the casing pipe. A drill rod guide is provided at one end of the track to guide a drill rod as it is positioned and then inserted into the casing pipe.
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Anderson Kenneth
Anderson Vaughn J.
Adams Gregory W
Barnes & Thornburg LLP
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