US PATENT SUBCLASS 405 / 248
.~.~.~ With subsurfacr fluid discharge

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

229  DF  FOUNDATION {2}
231  DF  .~ Columnar structure (e.g., pier, pile) {7}
232  DF  .~.~ Process or apparatus for installing {5}
248.~.~.~ With subsurfacr fluid discharge

DEFINITION

Classification: 405/248

With subsurface fluid discharge:

(under subclass 232) Method or apparatus including a step or means for dispensing a fluid below the earth surface to assist in positioning or forming said columnar member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

163, for submerged pipe laying apparatus and methods employing fluid jets to entrench the pipe in the bottom.

226, for a method or apparatus for sinking a marine structure into the seabed using fluid jets.

SEE OR SEARCH CLASS

175, Boring or Penetrating the Earth,

67, for a process of boring by fluid erosion; and subclass 424 and the search noted for earth boring nozzles.