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Class Information
Number: 976/DIG.43
Name: Nuclear technology > Reactor fuel elements and their assemblies; selection of substances for use as reactor fuel elements [g21c-3/00] > Fuel elements [g21c-3/02] *** (manufacturing dig. 283) > Constructional details [g21c-3/04] > Casings; jackets; jacket materials [g21c-3/06]

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.46 End closures; means for tight mounting therefor [g21c-3/10] 31
976/DIG.44 Jacket materials (e.g., alloys) [g21c-3/06b] 38
976/DIG.49 Means forming part of the element for inserting it into, or removing it from, the core; means for coupling adjacent elements (e.g., to form a stringer) [g21c-3/14] 2
976/DIG.48 Means forming part of the element for locating it within the reactor core [g21c-3/12] *** (means not forming part of the element dig. 102) 27
976/DIG.45 Provided with external means to promote heat-transfer (e.g., fins, baffles) [g21c-3/08] 1

Patents under this class:

Patent Number Title Of Patent Date Issued
5037607 Reactor Aug. 6, 1991
5006299 Explosive detection system Apr. 9, 1991
4963317 High loading uranium fuel plate Oct. 16, 1990
4938918 Element immersed in coolant of nuclear reactor Jul. 3, 1990
4894203 Nuclear fuel element having oxidation resistant cladding Jan. 16, 1990
4863555 Tube flush etching, rinsing and drying apparatus and method Sep. 5, 1989
4859276 Tube flush etching, rinsing, drying, inspecting and plugging subsystem and method in a tube manufacturing system Aug. 22, 1989
4783308 Boiling water reactor fuel rod Nov. 8, 1988
4770847 Control of differential growth in nuclear reactor components by control of metallurgical conditions Sep. 13, 1988
4751044 Composite nuclear fuel cladding tubing and other core internal structures with improved corrosion resistance Jun. 14, 1988
4728491 Cladding tube of a zirconium alloy especially for a nuclear reactor fuel rod and method for fabricating the cladding tube Mar. 1, 1988
4722827 Zirconium and hafnium with low oxygen and iron Feb. 2, 1988
4709848 Method of bonding Dec. 1, 1987
4671826 Method of processing tubing Jun. 9, 1987
4668287 Process for producing high purity zirconium and hafnium May. 26, 1987
4606109 Element immersed in coolant of nuclear reactor Aug. 19, 1986
4512819 Method for manufacturing a cladding tube of a zirconium alloy for nuclear reactor fuel of a nuclear reactor fuel assembly Apr. 23, 1985
4406012 Nuclear fuel elements having a composite cladding Sep. 20, 1983
4132618 Electrolytic device for marking metallic parts Jan. 2, 1979
4057466 Conditioning of nuclear reactor fuel Nov. 8, 1977
4045288 Nuclear fuel element Aug. 30, 1977
4029545 Nuclear fuel elements having a composite cladding Jun. 14, 1977
4022662 Nuclear fuel element having a metal liner and a diffusion barrier May. 10, 1977
3947320 Nickel container of highly-enriched uranium bodies and sodium Mar. 30, 1976

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