US PATENT SUBCLASS 250 / 269.8
.~.~.~.~ With detection in plural consecutive time intervals

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

253  DF  GEOLOGICAL TESTING OR IRRADIATION {3}
256  DF  .~ Well testing apparatus and methods {9}
269.1  DF  .~.~ With source and detector {4}
269.6  DF  .~.~.~ Having neutron source and gamma detector {2}
269.8.~.~.~.~ With detection in plural consecutive time intervals

DEFINITION

Classification: 250/269.8

With detection in plural consecutive time intervals:

(under subclass 269.6) Subject matter wherein the detection method includes detecting gamma rays in two or more time intervals which occur after the beginning of a neutron pulse or burst from the neutron radiation source, but before the beginning of a subsequent neutron pulse or burst.