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Class Information
Number: 376/251
Name: Induced nuclear reactions: processes, systems, and elements > Testing, sensing, measuring, or detecting a fission reactor condition > Leak detection > Fuel element leak detection
Description: Subject matter wherein the component is the fission fuel element.

Sub-classes under this class:

Class Number Class Name Patents
376/252 By acoustic or ultrasonic wave energy 125
376/253 By the detection of fission products external to the fuel element 90

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4495142 Monitoring system for monitoring state of nuclear reactor core Jan. 22, 1985
4495141 Tagging gas releasing element Jan. 22, 1985
4495143 Gas tagging and cover gas combination for nuclear reactor Jan. 22, 1985
4482520 Fuel pin transfer tool Nov. 13, 1984
4464332 Device for controlling the dimensions and spaced apart relationship of rigid pieces disposed in a bundle Aug. 7, 1984
4402904 Method for determining clad integrity of a nuclear fuel rod Sep. 6, 1983
4382906 Method of and an apparatus for the evaluation of burned-out nuclear fuel elements May. 10, 1983
4353863 Method for localizing a leaking rod in a nuclear fuel assembly Oct. 12, 1982
4347214 Failed fuel detection and location apparatus Aug. 31, 1982
4336103 Method of repairing partly burnt-off fuel elements in the fuel-element pit pressurized water reactors and device therefor Jun. 22, 1982
4299661 Monitoring arrangement for vented nuclear fuel elements Nov. 10, 1981
4289987 Magnetostrictive non-contacting pressure detection system Sep. 15, 1981
4217173 Nuclear reactor inspection device Aug. 12, 1980
4204908 Method of identifying leaky components of a multi-component system May. 27, 1980
4175000 Method for inspecting nuclear reactor fuel elements Nov. 20, 1979
4117333 Nuclear fuel element leak detection system Sep. 26, 1978
4110620 Fuel rod leak detector Aug. 29, 1978
4080250 Method of locating a leaking fuel element in a fast breeder power reactor Mar. 21, 1978
4079620 Method and apparatus for locating defective fuel rods of a reactor fuel element Mar. 21, 1978
4039375 Detection of fuel rod leakage Aug. 2, 1977
4036685 Method and apparatus for detecting the leak of coolant into the jacket of a nuclear reactor fuel rod Jul. 19, 1977
4036686 Apparatus for examining the fuel rods of a nuclear reactor Jul. 19, 1977
4032395 Fuel leak detection apparatus for gas cooled nuclear reactors Jun. 28, 1977
3983741 Method and apparatus for locating defective fuel rods in a reactor fuel assembly Oct. 5, 1976
3975949 Leak detector probe for fuel rods Aug. 24, 1976
3969187 Detection of fuel rod leakage Jul. 13, 1976
3959069 Method of preparing gas tags for identification of single and multiple failures of nuclear reactor fuel assemblies May. 25, 1976
3957576 Method for localizing fuel can failures in nuclear reactors May. 18, 1976
3940313 Device for detecting defective nuclear reactor fuel rods Feb. 24, 1976

1 2

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