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Class Information
Number: 376/254
Name: Induced nuclear reactions: processes, systems, and elements > Testing, sensing, measuring, or detecting a fission reactor condition > Flux monitoring
Description: Subject matter wherein the state being determined is the quantity of neutrons existing in a given area per unit time.










Sub-classes under this class:

Class Number Class Name Patents
376/255 Directly generating electrical signal (e.g., ion detection) 83


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712000 Tranverse in-core probe monitoring and calibration device for nuclear power plants, and method thereof Apr. 29, 2014
8681920 Self-powered wireless in-core detector Mar. 25, 2014
8644443 Gamma thermometer axial apparatus and method for monitoring reactor core in nuclear power plant Feb. 4, 2014
8565364 Water based dispersions of boron or boron compounds for use in coating boron lined neutron detectors Oct. 22, 2013
8561287 Under vessel local power range monitor exchange tool Oct. 22, 2013
8548789 Methodology for modeling the fuel rod power distribution within a nuclear reactor core Oct. 1, 2013
8483347 Upper internals arrangement for a pressurized water reactor Jul. 9, 2013
8462909 Doppler reactivity coefficient measuring method Jun. 11, 2013
8442181 Apparatus for inspecting and testing startup range neutron monitoring system May. 14, 2013
8433029 Determination of safety limit minimum critical power ratio Apr. 30, 2013
8406368 Burn-up profile measuring method, burn-up profile measuring apparatus, radiation signal distribution measuring apparatus, and burn-up profile measuring program Mar. 26, 2013
8401141 Axial void fraction distribution measurement method and neutron multiplication factor evaluating method Mar. 19, 2013
8384004 Real-time multi-mode neutron multiplicity counter Feb. 26, 2013
8331521 Digital processing monitoring device Dec. 11, 2012
8238509 Neutron monitoring systems including gamma thermometers and methods of calibrating nuclear instruments using gamma thermometers Aug. 7, 2012
8175210 Gamma thermometer axial apparatus and method for monitoring reactor core in nuclear power plant May. 8, 2012
8149981 Methods and devices relating to a nuclear light water reactor of the boiling water kind Apr. 3, 2012
8135106 Protection of reactor cores from unstable density wave oscillations Mar. 13, 2012
8121243 In-core-monitor-guide-tube supporting apparatus Feb. 21, 2012
8116421 Apparatus for inspecting and testing startup range neutron monitoring system Feb. 14, 2012
7894565 Subcritical reactivity measurement method Feb. 22, 2011
7763858 Apparatus and method for measuring radioactive material in a matrix Jul. 27, 2010
7760842 Method and apparatus of estimating dryout properties in a nuclear light water reactor Jul. 20, 2010
7755015 Real-time multiplicity counter Jul. 13, 2010
7668280 Nuclear fuel assembly Feb. 23, 2010
7532698 Systems and methods of predicting a critical effective k for a nuclear reactor May. 12, 2009
7333585 Radiation measurement device Feb. 19, 2008
7139355 Method of operating a nuclear power plant at multiple power levels Nov. 21, 2006
7139354 Radiation measurement device Nov. 21, 2006
7133488 Neutron flux mapping system for nuclear reactor Nov. 7, 2006
6950489 Guide tube for an instrumentation lance extending into a pressure vessel, reactor pressure vessel, and a method for preventing the accumulation of particles outside the pressure vessel in a gu Sep. 27, 2005
6836523 Radiation measurement device Dec. 28, 2004
6801593 Subcritical reactivity measurement method Oct. 5, 2004
6785633 Method and apparatus for assessing performance of combined cycle power-plants Aug. 31, 2004
6744840 Incore monitoring method and incore monitoring equipment Jun. 1, 2004
6674826 Method of operating a nuclear power plant at multiple power levels Jan. 6, 2004
6633622 Reactor power output measurement device Oct. 14, 2003
6598029 Bidding for energy supply with request for service Jul. 22, 2003
6563899 Neutron monitoring system May. 13, 2003
6553090 Control system of nuclear power plant, and control method thereof Apr. 22, 2003
6542565 Semiconductor radiation source power monitor Apr. 1, 2003
6522709 Nuclear in-core instrument (ICI) assembly with compressed flexible hose sheath Feb. 18, 2003
6519306 Neutron monitoring system Feb. 11, 2003
6493412 Method of calibrating exit thermocouples in a nuclear reactor Dec. 10, 2002
6477219 Nuclear reactor power distribution monitoring system and method including nuclear reactor instrumentation system Nov. 5, 2002
6477218 Control system of nuclear power plant, and control method thereof Nov. 5, 2002
6456681 Neutron flux measuring apparatus Sep. 24, 2002
6430247 Method and system for monitoring at least one operating parameter of the core of a nuclear reactor Aug. 6, 2002
6406064 Positive locking device for reactor instrumentation protection sleeve assembly Jun. 18, 2002
6408041 In-core fixed nuclear instrumentation system and power distribution monitoring system Jun. 18, 2002

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