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Class Information
Number: 376/462
Name: Induced nuclear reactions: processes, systems, and elements > Grids
Description: Subject matter wherein a multiaperature structure holds or maintains reactor components in a spaced array.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5124116 Grid key for exterior grid cells Jun. 23, 1992
5110539 Spacer grid assembly fixture May. 5, 1992
5091145 Grid with holding springs for a nuclear fuel assembly Feb. 25, 1992
5061437 Grid key for exterior grid cells Oct. 29, 1991
5019333 Zirconium alloy for use in spacer grids for nuclear reactor fuel claddings May. 28, 1991
4900508 High strength nuclear fuel grid Feb. 13, 1990
4888152 Fuel assembly grid for light water reactor Dec. 19, 1989
4885127 Nuclear fuel rod support grid with attachable spring and dimple support spacers Dec. 5, 1989
4879090 Split vaned nuclear fuel assembly grid Nov. 7, 1989
4873051 Nuclear fuel grid outer strap Oct. 10, 1989
4844861 Fuel assembly for nuclear reactors Jul. 4, 1989
4842814 Nuclear reactor fuel assembly Jun. 27, 1989
4839136 Spacer for nuclear fuel rods Jun. 13, 1989
4832905 Lower end fitting debris collector May. 23, 1989
4780273 Nuclear reactor fuel assembly Oct. 25, 1988
4772447 Device for the spacing and holding in place of fuel rods in a fuel assembly Sep. 20, 1988
4717533 Grid for nuclear fuel assembly Jan. 5, 1988
4714585 Interlocking egg-crate type grid assembly Dec. 22, 1987
4711759 Removable cruciform for ice condenser ice basket Dec. 8, 1987
4709909 Retention strap in a grid assembly fixture Dec. 1, 1987
4695426 Spacer for fuel rods Sep. 22, 1987
4678632 Nuclear fuel assembly grid with predetermined grain orientation Jul. 7, 1987
4665866 Grid-type flow distribution baffle May. 19, 1987
4663117 Nuclear reactor fuel assemblies May. 5, 1987
4659535 Grid structure for fuel rod consolidation canister Apr. 21, 1987
4636606 Method and apparatus for producing a reactor spacing grid by pulse laser welding Jan. 13, 1987
4597937 Fuel spacer Jul. 1, 1986
4579711 Fuel assembly spacer Apr. 1, 1986
4578239 Spacer for fuel assemblies of water-cooled nuclear reactors Mar. 25, 1986
4570703 Tube support grid and spacer therefor Feb. 18, 1986
4567015 Frame for storing nuclear fuel elements Jan. 28, 1986
4521374 Fuel grid with sleeves welded in notched grid straps Jun. 4, 1985
4474730 Nuclear fuel spacer grid Oct. 2, 1984
4371035 Tube support grid Feb. 1, 1983
4325786 Spacer grid for reducing bowing in a nuclear fuel assembly Apr. 20, 1982
4295935 Bimetallic spacer means for a nuclear fuel assembly Oct. 20, 1981
4268356 Nuclear reactor fuel assembly grid May. 19, 1981
4224107 Spacer grids for a nuclear reactor fuel assembly Sep. 23, 1980
4210202 Support for heat exchange tubes Jul. 1, 1980
4190494 Spacer with polygonal interconnetors Feb. 26, 1980
4172761 Cellular grids with twin ferrules Oct. 30, 1979
4160477 Spacer grid for parallel cylindrical tubes Jul. 10, 1979
4152206 Nuclear fuel element end fitting May. 1, 1979
4142936 Core support structure for nuclear power plants Mar. 6, 1979
4137125 Method of welding nuclear reactor fuel assemblies Jan. 30, 1979
4124444 Nuclear fuel rod supporting arrangement Nov. 7, 1978
4110160 Fuel assembly spacer within the coolant duct Aug. 29, 1978
4066500 Grid lattice structure Jan. 3, 1978
4038136 Support structure for the lateral neutron shield system of a fast reactor core Jul. 26, 1977
4021204 Method of manufacturing a grill-type support comprising two different materials and capable of being initially rigid, while allowing differential thermal expansions after installation May. 3, 1977

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