US PATENT SUBCLASS 976 / DIG 119
.~.~.~ Construction of control elements [G21C-7/10]


Current as of: June, 1999
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976 /   HD   NUCLEAR TECHNOLOGY

DIG 113  DD  CONTROL OF NUCLEAR REACTION [G21C-7/00] {9}
DIG 117  DD  .~ By application of neutron-absorbing material (i.e., material with absorption cross section very much in excess of reflection cross section) [G21C-7/06] {3}
DIG 118  DD  .~.~ By displacement of solid control elements (e.g., control rods) [G21C-7/08] {4}
DIG 119.~.~.~ Construction of control elements [G21C-7/10] {5}
DIG 120  DD  .~.~.~.~> Control assemblies containing one or more absorbant as well as other elements (e.g., fuel or moderator elements) [G21C-7/10B]
DIG 121  DD  .~.~.~.~> Control elements adapted for pebble bed reactors [G21C-7/10C]
DIG 122  DD  .~.~.~.~> Deformable control elements (e.g., flexible, telescopic or articulated) [G21C-7/10D]
DIG 123  DD  .~.~.~.~> Control elements made of flat elements; Control elements having cruciform cross section [G21C-7/10E]
DIG 124  DD  .~.~.~.~> Cluster or spider control rods [G21C-7/10F]