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Class Information
Number: 376/294
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 > Pressure vessels
Description: Subject matter wherein the means to attenuate completely surrounds the fission fuel region, and has the capacity to contain a pressurized fluid.

Sub-classes under this class:

Class Number Class Name Patents
376/295 Concrete 24

Patents under this class:
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Patent Number Title Of Patent Date Issued
8712002 Nuclear reactor building and construction method thereof Apr. 29, 2014
8608010 Sealing element fastening system for a pressure vessel, in particular a reactor pressure vessel Dec. 17, 2013
8537961 Hybrid integrated energy production process Sep. 17, 2013
7929657 Pressurised water nuclear reactor vessel Apr. 19, 2011
7889830 Nuclear reactor downcomer flow deflector Feb. 15, 2011
7751522 Covering element for a reactor core of a nuclear installation, and nuclear reactor Jul. 6, 2010
7430266 Procedure and means for replacing and procedure for repairing a section of a pipe in the primary circuit of a nuclear reactor Sep. 30, 2008
7342989 Apparatuses and methods for mechanical shielding and cooling Mar. 11, 2008
7145976 Procedure and means for replacing and procedure for repairing a section of a pipe in the primary circuit of a nuclear reactor Dec. 5, 2006
7139356 Procedure and means for replacing and procedure for repairing a section of a pipe in the primary circuit of a nuclear reactor Nov. 21, 2006
7120219 Reactor pressure vessel Oct. 10, 2006
7076017 Apparatus and method for repairing reactor vessel cladding using a seal plate Jul. 11, 2006
6888908 Reactor head with integral nozzles May. 3, 2005
6888909 Reactor pressure vessel May. 3, 2005
6885720 Modular reactor containment system Apr. 26, 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
6678345 Reactor pressure vessel and process for temperature equalization in a reactor pressure vessel Jan. 13, 2004
6519308 Corrosion mitigation system for liquid metal nuclear reactors with passive decay heat removal systems Feb. 11, 2003
6504888 Apparatus and methods of flow measurement for a boiling water reactor internal pump Jan. 7, 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
6233300 Conical shaped seismic guide pins and mating openings May. 15, 2001
6188741 Machined stub tube in a bottom head of a boiling water reactor Feb. 13, 2001
6061415 Missile shield for a nuclear reactor pressure vessel May. 9, 2000
5979222 Pressure vessel adaptor for testing of undersea fiber optic systems Nov. 9, 1999
5791107 Building with a sealing element Aug. 11, 1998
5721758 Bottom head to shell junction assembly for a boiling water nuclear reactor Feb. 24, 1998
5706319 Reactor vessel seal and method for temporarily sealing a reactor pressure vessel from the refueling canal Jan. 6, 1998
5577085 Boiling water reactor with compact containment and simplified safety systems Nov. 19, 1996
5563927 Method of retarding irradiated nuclear vessel crack initiation and extensions Oct. 8, 1996
5544210 Pressure vessel apparatus for containing fluid under high temperature and pressure Aug. 6, 1996
5465280 Pressure vessel apparatus Nov. 7, 1995
5442667 Reactor pressure vessel with limited failure zones Aug. 15, 1995
5359632 Reactor vessel cavity seal plate Oct. 25, 1994
5353320 Reactor pressure vessel nozzle Oct. 4, 1994
5278876 Reactor pressure vessel vented head Jan. 11, 1994
5230860 Reactor vessel cavity seal plate Jul. 27, 1993
5229067 Liquid metal cooled nuclear reactor Jul. 20, 1993
5217681 Special enclosure for a pressure vessel Jun. 8, 1993
5211906 Reactor containment vessel May. 18, 1993
5207977 Reactor pressure vessel with forged nozzles May. 4, 1993
5102612 Permanent refueling pool seal Apr. 7, 1992
5087409 Pressure vessel improvement Feb. 11, 1992
5037601 Glass-pool, gas-cycle nuclear power plant Aug. 6, 1991
4911880 Nuclear reactor having a unitary pressure container structure Mar. 27, 1990
4892702 Light-water nuclear reactor vessel and process for its manufacture Jan. 9, 1990
4818476 Reactor vessel stud thread protector Apr. 4, 1989
4795607 High-temperature reactor Jan. 3, 1989

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