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Class Information
Number: 376/245
Name: Induced nuclear reactions: processes, systems, and elements > Testing, sensing, measuring, or detecting a fission reactor condition
Description: Subject matter for determining the state of the reactor system or a component thereof.










Sub-classes under this class:

Class Number Class Name Patents
376/259 By particular instrumentation circuitry 192
376/246 Flowmeters 71
376/254 Flux monitoring 223
376/257 Fuel assay (e.g., burnup) 70
376/256 Gas sensors (e.g., hydrogen detectors) 63
376/250 Leak detection 125
376/248 Optics 149
376/258 Position detection 254
376/247 Temperature or pressure measurement 214
376/249 Vessel monitoring or inspection 312


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8705684 Renew process implementation for reactor bottom head Apr. 22, 2014
8687760 Method of determining at least one technological uncertainty factor for nuclear fuel elements, and corresponding methods of designing, fabricating, and inspecting nuclear fuel elements Apr. 1, 2014
8681920 Self-powered wireless in-core detector Mar. 25, 2014
8670516 Irradiation device for material test using gamma ray from spent nuclear fuel assembly Mar. 11, 2014
8644443 Gamma thermometer axial apparatus and method for monitoring reactor core in nuclear power plant Feb. 4, 2014
8638897 Underwater remote surface inspection method and apparatus for reactor constituting member Jan. 28, 2014
8619939 Apparatus for ultrasonic inspection of reactor pressure vessel Dec. 31, 2013
8605851 Rod block monitor Dec. 10, 2013
8599987 Wireless transmission of nuclear instrumentation signals Dec. 3, 2013
8571163 Monitoring method and monitoring program for boiling water reactor, and acoustic damping method for boiling water reactor Oct. 29, 2013
8571164 Clamping jig and system for measuring spacer grids for nuclear fuel assembly Oct. 29, 2013
8565364 Water based dispersions of boron or boron compounds for use in coating boron lined neutron detectors Oct. 22, 2013
8559584 Nuclear reactor automatic depressurization system Oct. 15, 2013
8555917 Power line data acquisition Oct. 15, 2013
8548789 Methodology for modeling the fuel rod power distribution within a nuclear reactor core Oct. 1, 2013
8542790 Jet pump inspection apparatus Sep. 24, 2013
8527668 Priority logic module Sep. 3, 2013
8514998 Induction heating stress improvement Aug. 20, 2013
8489338 Method for estimating the concentration of a chemical element in the primary coolant of a nuclear reactor Jul. 16, 2013
8483347 Upper internals arrangement for a pressurized water reactor Jul. 9, 2013
8477899 Method for operating a reactor of a nuclear plant Jul. 2, 2013
8464804 Robot for machining a part of structure under water Jun. 18, 2013
8462909 Doppler reactivity coefficient measuring method Jun. 11, 2013
8446287 Loose part monitoring method and system May. 21, 2013
8442180 Control rod position detector May. 14, 2013
8442181 Apparatus for inspecting and testing startup range neutron monitoring system May. 14, 2013
8437445 Method for predicting stresses on a steam system of a boiling water reactor May. 7, 2013
8428214 Method for aligning and handling fuel rods within a nuclear fuel bundle Apr. 23, 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
8380477 System of testing engineered safety feature instruments Feb. 19, 2013
8351561 Advanced digital control rod position indication system with rod drop monitoring for nuclear power plants Jan. 8, 2013
8325872 Working device and working method Dec. 4, 2012
8290111 Electrochemical corrosion potential device and method Oct. 16, 2012
8288736 Target device for producing a radioisotope Oct. 16, 2012
8238509 Neutron monitoring systems including gamma thermometers and methods of calibrating nuclear instruments using gamma thermometers Aug. 7, 2012
8194813 Absolute nuclear material assay using count distribution (LAMBDA) space Jun. 5, 2012
8185836 Display, visualization, and processing tool for channel distortion and cell friction mitigation May. 22, 2012
8180013 Absolute nuclear material assay May. 15, 2012
8175210 Gamma thermometer axial apparatus and method for monitoring reactor core in nuclear power plant May. 8, 2012
8155258 Fission meter Apr. 10, 2012
8149981 Methods and devices relating to a nuclear light water reactor of the boiling water kind Apr. 3, 2012
8116421 Apparatus for inspecting and testing startup range neutron monitoring system Feb. 14, 2012
8065810 Apparatus and systems for measuring elongation of objects, methods of measuring, and reactor Nov. 29, 2011
7982459 Hydraulic cylinder rod position sensing method Jul. 19, 2011
7970094 Nuclear power plant and operation method thereof Jun. 28, 2011
7965807 Instrument removal system Jun. 21, 2011
7966139 Apparatus for monitoring the maintenance of systems in a nuclear power plant Jun. 21, 2011
7924166 Nuclear leakage detection system using wire or optical fiber Apr. 12, 2011
7912170 Protection systems for nuclear boiling water reactors Mar. 22, 2011

1 2 3 4 5 6 7 8 9 10 11 12 13 14










 
 
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