US PATENT SUBCLASS 376 / 289
.~.~ Thermal insulation


Current as of: June, 1999
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376 /   HD   INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS

277  DF  REACTOR PROTECTION OR DAMAGE PREVENTION {14}
287  DF  .~ Shield or barrier between radiation or heat source and object to be protected (e.g., insulation, thermal shield) {4}
289.~.~ Thermal insulation {2}
290  DF  .~.~.~> For liquid metal cooled fast reactors (e.g., insulation for vault roof, or for the vessel walls as by a layer of stagnant or quasi-stagnant coolant)
291  DF  .~.~.~> Concentric tubes or conduits with insulation


DEFINITION

Classification: 376/289

Thermal insulation:

(under subclass 287) Subject matter wherein the radiation attenuated is thermal radiation.