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Class Information
Number: 376/451
Name: Induced nuclear reactions: processes, systems, and elements > Fuel component structure > Having particular end closure or seal (e.g., weld, plug, cap, etc.)
Description: Subject matter including a particular or specific means for closing the end(s) of a fuel element or component, e.g., weld, cap, etc.

Sub-classes under this class:

Class Number Class Name Patents
376/452 With indexing means 12

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8712005 Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system Apr. 29, 2014
8520795 Intermediate end plug assembly for segmented fuel rod and segmented fuel rod having the same Aug. 27, 2013
8488734 Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system Jul. 16, 2013
7856076 Terminal end-piece for a fuel assembly having a nose for orienting the flow of coolant fluid and corresponding assembly Dec. 21, 2010
7711079 Lower and upper end plugs of an annular fuel rod May. 4, 2010
7551705 Fuel assembly top nozzle repair sleeve and method for repairing a fuel assembly Jun. 23, 2009
7290319 Methods for installing a fuel pellet locking retainer in a nuclear fuel rod Nov. 6, 2007
6934351 Boiling water reactor fuel assembly Aug. 23, 2005
6721381 Seal arrangement for in-core instrument housing Apr. 13, 2004
6697448 Neutronic fuel element fabrication Feb. 24, 2004
6668034 Method of inspecting an operation of sealed closure by welding the end of a filling channel traversing the upper plug of a nuclear fuel rod Dec. 23, 2003
6665363 Method of inspecting the welding of a sealed closure plug of a nuclear reactor fuel element Dec. 16, 2003
6644915 Nuclear power station primary pump Nov. 11, 2003
6522708 Seal arrangement for in-core instrument housing Feb. 18, 2003
6347130 Fuel assembly with short fuel units Feb. 12, 2002
6310931 Device and method for locking rods in a bottom tie plate of a fuel assembly Oct. 30, 2001
6275557 Nuclear fuel assembly Aug. 14, 2001
6212250 Fuel element closure method Apr. 3, 2001
6151376 Nuclear fuel assembly Nov. 21, 2000
6104773 Fuel rod for a nuclear reactor Aug. 15, 2000
6014418 Fuel rod for light water reactor and method for manufacturing the same Jan. 11, 2000
5949839 Fuel assembly for a boiling water reactor Sep. 7, 1999
5943385 Nuclear fuel assembly having a transition piece providing a reduced flow resistance Aug. 24, 1999
5912935 Fuel rod for light water reactor and method for manufacturing the same Jun. 15, 1999
5878100 Fuel assembly for a boiling water reactor Mar. 2, 1999
5859886 Fuel assembly for a boiling water reactor Jan. 12, 1999
5748691 Apparatus and methods for sealing end plugs for nuclear fuel rods May. 5, 1998
5623526 Method and apparatus for repair of nuclear reactor shroud Apr. 22, 1997
5619546 Resistance temperature detector nozzle mechanical clamp Apr. 8, 1997
5608768 Threaded fuel rod end plugs and related method Mar. 4, 1997
5602885 Automated girth weld inspection of nuclear fuel rods Feb. 11, 1997
5600694 Nuclear fuel upper end fitting quick disconnect joint Feb. 4, 1997
5586155 Narrow access scanning positioner for inspecting core shroud in boiling water reactor Dec. 17, 1996
5581588 Insulated protective coating doped with a noble metal for mitigation of stress corrosion cracking Dec. 3, 1996
5577081 Method of forming grids for nuclear fuel assembly and grids formed by same method Nov. 19, 1996
5555280 Process and device for producing a leakproof protective coating on a surface of a nuclear reactor component Sep. 10, 1996
5533077 Method for preventing scratches on fuel rods during fuel bundle assembly Jul. 2, 1996
5526388 Debris resistant fuel rod sleeve Jun. 11, 1996
5490189 Nuclear fuel assembly debris filter Feb. 6, 1996
5436944 Device and method for monitoring the internal surface of a tubular piece Jul. 25, 1995
5425071 Loading nuclear fuel pellets into cladding tubes Jun. 13, 1995
5374800 Method for welding of fuel rod Dec. 20, 1994
5345488 Nuclear fuel rod having concave weld across pressurization hole in end plug Sep. 6, 1994
5317612 Use of shape memory alloys in fuel pellet holddown springs May. 31, 1994
5303277 Process for fabricating fuel rod and end plug therefor Apr. 12, 1994
5282233 Low pressure drop easy load end cap Jan. 25, 1994
5280508 Partial length rod upper end plug and grapples therefor Jan. 18, 1994
5251247 Method of sealing a fuel rod by welding Oct. 5, 1993
5245640 Nuclear fuel rod end plug pressurization hole inspection apparatus Sep. 14, 1993
5219517 Fuel assembly for a boiling water nuclear reactor Jun. 15, 1993

1 2 3

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