US PATENT SUBCLASS 166 / 97.5
.~ Parallel pipes extending along distinct paths through wellhead


Current as of: June, 1999
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166 /   HD   WELLS

75.11  DF  ABOVE GROUND APPARATUS {25}
97.5.~ Parallel pipes extending along distinct paths through wellhead


DEFINITION

Classification: 166/97.5

Parallel pipes extending along distinct paths through wellhead:

(under subclass 75.11) Above ground apparatus including generally coaxial conduits which (a) are not located one within another and (b) extend from a position above ground to a position below ground.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54.1, for means for separately pumping from plural sources in a well, which may include parallel, nonconcentric conduits extending above ground.

SEE OR SEARCH CLASS

285, Pipe Joints or Couplings,

124.1+, for pipe systems including plural noncommunication paths which are parallel and nonconcentric and which are of the wellhead suspension type.