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Class Information
Number: 976/DIG.237
Name: Nuclear technology > Monitoring; testing; maintaining [g21c-17/00] > Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments (e.g., for measuring temperature) [g21c-17/10] > Measuring reactivity [g21c-17/10b]

Patents under this class:

Patent Number Title Of Patent Date Issued
4627955 Process for detecting the variations in the reactivity of the core of a pressurized water nuclear reactor and device for making use of this process Dec. 9, 1986
4588547 Method and apparatus for determining the nearness to criticality of a nuclear reactor May. 13, 1986
4493810 Method and apparatus for measuring reactivity of fissile material Jan. 15, 1985
4372912 Method of controlling the reactivity of a gas-cooled core reactor Feb. 8, 1983
4325785 Method and apparatus for measuring the reactivity of a spent fuel assembly Apr. 20, 1982

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