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Class Information
Number: 376/287
Name: Induced nuclear reactions: processes, systems, and elements > Reactor protection or damage prevention > Shield or barrier between radiation or heat source and object to be protected (e.g., insulation, thermal shield)
Description: Subject matter wherein the undesired effect (a) is the presence of radiation in a given area which undesired effect is minimized by providing means to attenuate the radiation prior to its entry into said area, or (b) to attenuate the egress of material into the area to be protected.

Sub-classes under this class:

Class Number Class Name Patents
376/292 Concentric tubes or conduits 97
376/293 Containment structures 174
376/288 Particular materials 57
376/289 Thermal insulation 85

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712002 Nuclear reactor building and construction method thereof Apr. 29, 2014
8681923 Method of manufacturing core shroud for nuclear power plant and structure of nuclear power plant Mar. 25, 2014
8681924 Single-plate neutron absorbing apparatus and method of manufacturing the same Mar. 25, 2014
8670518 Fully passive decay heat removal system for sodium-cooled fast reactors that utilizes partially immersed decay heat exchanger Mar. 11, 2014
8637842 Mobile-monitoring and/or decontamination unit structure Jan. 28, 2014
8588360 Evacuated containment vessel for a nuclear reactor Nov. 19, 2013
8462910 Neutron shield Jun. 11, 2013
8416911 Nuclear reactor cavity arrangements for ice condenser plants Apr. 9, 2013
8411813 Method for carrying out reactor internal Apr. 2, 2013
8401142 Nuclear reactor vessel fuel thermal insulating barrier Mar. 19, 2013
8064564 Neutron shielding panels for reactor pressure vessels Nov. 22, 2011
8036335 Thermal load reducing system for nuclear reactor vessel Oct. 11, 2011
7781752 Device and method for conditioning nuclear fuel assemblies with double confinement barrier Aug. 24, 2010
7684535 Reactor containment vessel Mar. 23, 2010
7649970 Repair apparatus for a nuclear reactor shroud Jan. 19, 2010
7616728 Nuclear reactor internals alignment configuration Nov. 10, 2009
7567645 Modular integrated head assembly Jul. 28, 2009
7158605 Head assembly Jan. 2, 2007
7139359 Integrated head assembly for a nuclear reactor Nov. 21, 2006
6643349 Method of removing a large-sized apparatus from a reactor building of a nuclear plant Nov. 4, 2003
6639236 Radioactive material container Oct. 28, 2003
6618460 Integrated head assembly for a nuclear reactor Sep. 9, 2003
6594333 Thermal load reducing system for nuclear reactor vessel Jul. 15, 2003
6570950 Nuclear plant containment with prefabricated component support structure May. 27, 2003
6563900 Ring plate around openings in reinforced concrete containment vessel May. 13, 2003
6546066 Integrated head assembly for a nuclear reactor Apr. 8, 2003
6519308 Corrosion mitigation system for liquid metal nuclear reactors with passive decay heat removal systems Feb. 11, 2003
6492034 Heat shield Dec. 10, 2002
6452993 Method of carrying out large-sized apparatus Sep. 17, 2002
6389094 Integral forged shroud flange for a boiling water reactor May. 14, 2002
6353651 Core catcher cooling by heat pipe Mar. 5, 2002
6327323 Multiple reactor containment building Dec. 4, 2001
6263037 Cutting zone for radioactive materials Jul. 17, 2001
6233300 Conical shaped seismic guide pins and mating openings May. 15, 2001
6195405 Gap structure for nuclear reactor vessel Feb. 27, 2001
6163588 Core plate and reactor internal pump differential pressure lines for a boiling water reactor Dec. 19, 2000
6133661 Rotating electric machine usable in radioactive environment Oct. 17, 2000
6118838 Frame-held neutron-absorbing fuel rod assembly storage rack Sep. 12, 2000
6093988 Rotating electric machine usable in radioactive environment Jul. 25, 2000
6091791 Shroud attachment for a boiling water reactor Jul. 18, 2000
6067338 Reactor core shroud repair using thermally tensioned links to apply compression across shroud vertical seam weld May. 23, 2000
6064711 Flak jacket protective cover for spent nuclear fuel storage casks May. 16, 2000
6061415 Missile shield for a nuclear reactor pressure vessel May. 9, 2000
6037517 Apparatus and method for treating waste materials which include charged particle emitters Mar. 14, 2000
6021170 Nuclear reactor plant having a reactor pressure vessel with a core barrel and method for mounting the core barrel Feb. 1, 2000
6009137 Mid-shroud joint for a boiling water reactor Dec. 28, 1999
5995574 Integral forged shroud flange for a boiling water reactor Nov. 30, 1999
5930321 Head assembly Jul. 27, 1999
5925313 Aluminum base alloy containing boron and manufacturing method thereof Jul. 20, 1999
5852643 Flak jacket protective cover for spent nuclear fuel storage casks Dec. 22, 1998

1 2 3 4 5

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