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Class Information
Number: 376/293
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) > Containment structures
Description: Subject matter wherein the means to attenuate either (a) completely surrounds the fission fuel region, or (b) provides the last level of attenuation of radiation prior to its entry into the environment.

Sub-classes under this class:

Class Number Class Name Patents
376/294 Pressure vessels 100

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8712002 Nuclear reactor building and construction method thereof Apr. 29, 2014
8671568 Method of installing equipment into a pit container using an anchor member supporting mechanism and an anchor bolt unit Mar. 18, 2014
8588360 Evacuated containment vessel for a nuclear reactor Nov. 19, 2013
8559583 Passive cooling and depressurization system and pressurized water nuclear power plant Oct. 15, 2013
8537959 Drain sump of nuclear reactor containment vessel Sep. 17, 2013
8537961 Hybrid integrated energy production process Sep. 17, 2013
8509375 Method for removing thermal sleeve from cold leg of reactor coolant system Aug. 13, 2013
8509376 Nuclear engineering plant and closure apparatus for its containment Aug. 13, 2013
8416911 Nuclear reactor cavity arrangements for ice condenser plants Apr. 9, 2013
8126107 Nuclear engineering plant and closure apparatus for its containment Feb. 28, 2012
7983376 Boiling water nuclear reactor and emergency core cooling system of the same Jul. 19, 2011
7924166 Nuclear leakage detection system using wire or optical fiber Apr. 12, 2011
7684535 Reactor containment vessel Mar. 23, 2010
7680237 Containment vessel and method of operating a condenser in a nuclear power plant Mar. 16, 2010
7606344 Containment of a nuclear power plant Oct. 20, 2009
7532699 Nuclear facility and method for operating a nuclear facility May. 12, 2009
7342989 Apparatuses and methods for mechanical shielding and cooling Mar. 11, 2008
7139359 Integrated head assembly for a nuclear reactor Nov. 21, 2006
6891913 Nuclear storage overpack door actuator and alignment apparatus May. 10, 2005
6839396 Control device for a cooling circuit Jan. 4, 2005
6810099 Boiling water reactor nuclear power plant and its construction method Oct. 26, 2004
6795518 Integral PWR with diverse emergency cooling and method of operating same Sep. 21, 2004
6757351 Modified large natural circulation reactor Jun. 29, 2004
6639960 Method of retrofitting a reactor pressure vessel head assembly Oct. 28, 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
6519308 Corrosion mitigation system for liquid metal nuclear reactors with passive decay heat removal systems Feb. 11, 2003
6426986 Forged nozzle shell course for a pressure vessel Jul. 30, 2002
6389094 Integral forged shroud flange for a boiling water reactor May. 14, 2002
6327323 Multiple reactor containment building Dec. 4, 2001
6246739 Passive aerosol retention apparatus Jun. 12, 2001
6243432 Modified passive containment cooling system for a nuclear reactor Jun. 5, 2001
6185269 Liquid metal reactor power block Feb. 6, 2001
6173027 Primary containment vessel Jan. 9, 2001
6160864 Seismic isolators Dec. 12, 2000
5930320 Assemblies and methods for mitigating effects of reactor pressure vessel expansion Jul. 27, 1999
5898748 Vacuum breaker valve assembly Apr. 27, 1999
5781603 Method and apparatus for repair of nuclear reactor shroud Jul. 14, 1998
5748690 Construction method of nuclear reactor reinforced concrete containment vessel and diaphragm floor structure of nuclear reactor reinforced concrete containment vessel May. 5, 1998
5740216 Vertical seismic isolation structure of common deck system for nuclear reactor components Apr. 14, 1998
5717731 Outage cover for nuclear reactor containment vessel Feb. 10, 1998
5706320 Containment pressure suppression system for liquid metal cooled reactors Jan. 6, 1998
5684846 Nuclear reactor plant having containment isolation Nov. 4, 1997
5673528 Safety wall for a building Oct. 7, 1997
5577085 Boiling water reactor with compact containment and simplified safety systems Nov. 19, 1996
5495511 Device for passively inerting the gas mixture in the reactor containment of a nuclear power plant Feb. 27, 1996
5488643 Method and apparatus for supporting a shroud in a nuclear reactor Jan. 30, 1996
5406602 Passive air cooling of liquid metal-cooled reactor with double vessel leak accommodation capability Apr. 11, 1995
5388130 Steam generator located outside nuclear power plant primary containment Feb. 7, 1995
5367546 Fluid sampling system for a nuclear reactor Nov. 22, 1994

1 2 3 4

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