US PATENT SUBCLASS 976 / DIG 207
MONITORING; TESTING; MAINTAINING [G21C-17/00]


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

DIG 207MONITORING; TESTING; MAINTAINING [G21C-17/00] {9}
DIG 208  DD  .~> Mechanical simulators [G21C-17/00B] *** (electrical or magnetic simulators G06G-7/54)
DIG 209  DD  .~> Detection of leaks [G21C-17/00C] *** (by testing the coolant or the moderator DIG. 224)
DIG 210  DD  .~> Remote inspection of vessels (e.g., pressure vessels) [G21C-17/00D] {3}
DIG 214  DD  .~> Inspection or maintenance of pipe-lines or tubes in nuclear installations [G21C-17/00F]
DIG 215  DD  .~> Devices or arrangements for monitoring coolant or moderator [G21C-17/02] {7}
DIG 231  DD  .~> Devices or arrangements for monitoring or testing fuel or fuel elements (e.g., for burn-up, for contamination, for leak-tightness) not during reactor operation [G21C-17/06] *** (DIG. 235, DIG. 236 take precedence) (detection of leaking fuel elements during reactor operation DIG. 224) {3}
DIG 235  DD  .~> Structural combination of reactor core or moderator structure with viewing means (e.g., with television camera, periscope, window) [G21C-17/08]
DIG 236  DD  .~> Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments (e.g., for measuring temperature) [G21C-17/10] {6}
DIG 243  DD  .~> Period meters [G21C-17/14]