US PATENT SUBCLASS 405 / 234
.~.~.~.~ With heating, cooling, or explosion

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}
233  DF  .~.~.~ Casting in situ hardenable fluent material {7}
234.~.~.~.~ With heating, cooling, or explosion

DEFINITION

Classification: 405/234

With heating, cooling, or explosion:

(under subclass 233) Method apparatus wherein the force

generated by an explosive charge is utilized during installation of the elongated member, or a step or means is included for applying to or removing heat from the columnar member or an installing means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

130+, for temperature modification or control of an earthen formation.

SEE OR SEARCH CLASS

166, Wells,

286, for a process of cementing a well including exploding; and subclass 288 for a process of cementing a well including heating.