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Class Information
Number: 976/DIG.73
Name: Nuclear technology > Reactor fuel elements and their assemblies; selection of substances for use as reactor fuel elements [g21c-3/00] > Assemblies of number of fuel elements in the form of a rigid unit [g21c-3/30] > Bundles of parallel pin-, rod-, or tube-shaped fuel elements [g21c-3/32] > Spacer grids; other spacer devices [g21c-3/34] > Spacer grids formed of assembled tubular elements [g21c-3/34b]

Patents under this class:

Patent Number Title Of Patent Date Issued
4888152 Fuel assembly grid for light water reactor Dec. 19, 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
4686079 Fuel assembly Aug. 11, 1987
4663117 Nuclear reactor fuel assemblies May. 5, 1987
4597937 Fuel spacer Jul. 1, 1986
4587704 Method of mounting a continuous loop spring on a nuclear fuel spacer May. 13, 1986
4588550 Fuel assembly for a boiling water reactor May. 13, 1986
4571324 Nuclear fuel assembly spacer Feb. 18, 1986
4556531 Nuclear fuel assembly spacer and spring component therefor Dec. 3, 1985
4508679 Nuclear fuel assembly spacer Apr. 2, 1985
4190494 Spacer with polygonal interconnetors Feb. 26, 1980
4181571 Nuclear reactor with fuel pin bracing grid Jan. 1, 1980
4172761 Cellular grids with twin ferrules Oct. 30, 1979
4056441 Bracing device for a bundle of parallel pins in a nuclear reactor assembly Nov. 1, 1977

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