| Patents for G21C 5 - Moderator or core structure; Selection of materials for use as moderator (1,237) |
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| 05/31/2000 | EP1005047A2 Apparatus for promoting intermixing of heated coolant streams in nuclear reactor |
| 05/23/2000 | US6067338 Reactor core shroud repair using thermally tensioned links to apply compression across shroud vertical seam weld |
| 05/16/2000 | US6064807 Charged-particle beam exposure system and method |
| 05/03/2000 | CN1251937A Nuclear reactor cores upper support structure with stabilizer for stream of cooling agent |
| 04/26/2000 | CN1251462A Device for promoting mix of heated lubricant fluids in nuclear reactor |
| 04/25/2000 | US6055288 Nuclear reactor vessel |
| 04/20/2000 | DE19846057A1 Vorrichtung zum Kühlen und zum Schutz eines Reaktordruckbehälters bei Kernschmelzunfällen Apparatus for cooling and protecting a reactor pressure vessel with core melt accidents |
| 04/19/2000 | EP0994488A1 Upper core supporting structure for nuclear reactor with coolant flow stabilizing facility |
| 04/12/2000 | EP0993000A2 Apparatus for cooling and protecting a reactor pressure vessel in the event of a core melting accident |
| 04/12/2000 | CN1250214A Boiling water atomic reactor and its operating method |
| 03/07/2000 | US6035011 Reactor core |
| 03/02/2000 | DE19940081A1 Boiling water reactor, comprises a core which can be cooled by natural circulation and which has a specified steam void coefficient |
| 02/15/2000 | US6026136 Uranium isotope seed fuel cells; annular thorium blanket fuel cells; nuclear reactors; preventing nuclear weapon manufacture |
| 02/03/2000 | WO2000005725A1 Nuclear reactor vessel |
| 02/01/2000 | US6021170 Nuclear reactor plant having a reactor pressure vessel with a core barrel and method for mounting the core barrel |
| 01/27/2000 | WO2000004557A1 Operation method of a fast homogeneous nuclear reactor |
| 12/29/1999 | EP0966745A1 Device and method for locking rods in a bottom tie plate of a fuel assembly |
| 12/28/1999 | US6009137 Mid-shroud joint for a boiling water reactor |
| 12/21/1999 | US6005905 Initial core |
| 11/30/1999 | US5995575 In-core guide tube restraint for a boiling water reactor |
| 11/30/1999 | US5995574 Integral forged shroud flange for a boiling water reactor |
| 11/24/1999 | CN1236174A Top guide grid attachment for boiling water reactor |
| 11/24/1999 | CN1236018A Hafnium alloy and Neutron absorbent of nuclear reactor control stick using said alloy |
| 11/23/1999 | US5991353 Core barrel for a reactor pressure vessel of a nuclear reactor plant and method of repairing a core barrel |
| 11/17/1999 | EP0956562A1 Holding device for fuel elements and method for overhauling such holding device |
| 11/17/1999 | CN1235354A Forged core plate for boiling water reactor |
| 11/16/1999 | US5987088 High temperature and high pressure treatment of nuclear reactor cores |
| 10/13/1999 | EP0949346A1 Process of producing a dispersion strengthened ferritic-martensitic alloy |
| 09/29/1999 | CN1230280A Nuclear fuel assembly |
| 09/28/1999 | US5958105 Process for preparing metallic beryllium pebbles |
| 09/22/1999 | CN1229514A Initial loading core |
| 09/07/1999 | US5949837 Nuclear |
| 08/24/1999 | US5943385 Nuclear fuel assembly having a transition piece providing a reduced flow resistance |
| 08/17/1999 | US5940461 Reactor core for a light water cooled reactor, fuel assembly and control rod |
| 07/14/1999 | EP0928487A1 Nuclear fuel assembly |
| 07/13/1999 | US5923717 For loading nuclear reactor fuel bundles into a reactor core |
| 07/06/1999 | US5920603 Forged core plate for a boiling water reactor |
| 06/30/1999 | CN1221195A Integral forged shroud flange for boiling water reactor |
| 06/30/1999 | CN1221194A Mid-shroud joint for boiling water reactor |
| 05/20/1999 | DE19804648C1 Apparatus for remotely controlled insertion and tightening of a screw |
| 05/18/1999 | US5905771 Reactor core shroud repair using splice plate to bridge weld seam |
| 04/21/1999 | CN1214519A Shround weld joint for boiling water reactor |
| 04/14/1999 | EP0908897A2 Zirconium tin iron alloys for nuclear fuel rods and structural parts for high burnup |
| 03/31/1999 | EP0831497A4 Fuel element assembly for a nuclear reactor and a nuclear reactor |
| 01/26/1999 | US5864593 To burn thorium fuel with conventional reactor fuels, including nonproliferative enriched uranium, and weapons or reactor grade plutonium, novel refueling scheme to maximize seed fuel utilization, and insure spent fuel cannot be |
| 01/06/1999 | CN1041570C Nuclear reactor reflector |
| 12/30/1998 | EP0886869A1 Core tank for a pressure vessel of a nuclear reactor plant and process for its repair |
| 12/30/1998 | EP0886868A1 Core tank for a pressure vessel of a nuclear reactor plant and process for fitting it |
| 12/30/1998 | EP0886867A1 Core container for a pressurized reactor vessel in a nuclear reactor plant and method of assembling the same |
| 12/30/1998 | EP0886866A1 Method of repairing a vessel, and nuclear power plant comprising said vessel |
| 12/29/1998 | US5854818 Zirconium tin iron alloys for nuclear fuel rods and structural parts for high burnup |
| 12/22/1998 | US5852645 Fuel assembly with consumable poison, and a method of operating a reactor |
| 12/01/1998 | US5844957 For a boiling water nuclear reactor |
| 11/18/1998 | EP0878010A1 Nuclear fuel assembly having a transition piece with reduced flow resistance |
| 11/17/1998 | US5838751 Boiling water reactor |
| 11/03/1998 | CA2025713C Pressure-tube type heavy-water moderated nuclear reactor |
| 10/28/1998 | CN1197275A Boiling water type nuclear reactor core and operation method thereof |
| 10/27/1998 | US5828713 Replacement core shroud assembly for a boiling water reactor |
| 10/21/1998 | EP0872851A1 Process for preparing metallic beryllium pebbles |
| 10/21/1998 | EP0871958A2 Seed-blanket reactors |
| 10/13/1998 | US5822388 MOX fuel arrangement for nuclear core |
| 09/23/1998 | EP0866467A1 Metallic beryllium pebbles for nuclear fusion reactors |
| 09/22/1998 | US5812624 Core of a pressurized water nuclear reactor and top nozzle of a fuel assembly of the core |
| 09/22/1998 | US5812621 Reactor core for a light water cooled reactor, fuel assembly and control rod |
| 09/17/1998 | WO1998040894A1 Device and method for locking rods in a bottom tie plate of a fuel assembly |
| 09/15/1998 | US5809100 Apparatus for detecting changes in preload on a tie rod installed as part of a core shroud repair in a boiling water reactor |
| 09/09/1998 | CN1192820A Seed-blanket reactors |
| 09/08/1998 | US5803686 Reactor core shroud repair using splice plate to bridge weld seam |
| 09/01/1998 | US5802126 Underwater remote drilling tool and methods |
| 08/12/1998 | EP0799484B1 Fuel assembly with consumable poison and method for exploiting a reactor by implementation of such assembly |
| 08/12/1998 | EP0781450B1 Reactor-core shroud, in particular a shroud for a boiling-water nuclear reactor |
| 08/11/1998 | US5793828 Method and apparatus for repair of nuclear reactor shroud |
| 08/05/1998 | EP0856852A1 Reactor core for a light water cooled reactor and control rod |
| 07/30/1998 | WO1998033188A1 Holding device for fuel elements and method for overhauling such holding device |
| 07/28/1998 | US5787139 Fuel loading method |
| 07/14/1998 | US5781604 Initial core and fuel assembly |
| 07/14/1998 | US5781603 Method and apparatus for repair of nuclear reactor shroud |
| 07/14/1998 | US5779822 Having a carbide phase produced by aging heat treatment of single crystal austenitic phase; nuclear reactor cores; nuclear fusion reactors; stress corrosion cracking resistance; high strength; durability |
| 06/18/1998 | DE19703226C1 Holder for fuel elements in boiling water nuclear reactor, used for repair |
| 05/28/1998 | DE19648741A1 Two=part core mantle for nuclear reactor e.g. BWR |
| 04/15/1998 | EP0710394B1 System for automatic refueling of a nuclear reactor |
| 04/07/1998 | US5737378 Reactor shroud joint |
| 04/07/1998 | US5737377 Nuclear reactor camera mast assembly and loading guide |
| 04/07/1998 | US5737375 Seed-blanket reactors |
| 03/25/1998 | EP0831497A1 Fuel element assembly for a nuclear reactor and a nuclear reactor |
| 03/19/1998 | WO1998011558A1 Nuclear fuel assembly |
| 03/19/1998 | WO1998011557A1 Process for preparing metallic beryllium pebbles |
| 03/19/1998 | WO1998011556A1 Metallic beryllium pebbles for nuclear fusion reactors |
| 03/19/1998 | CA2263644A1 Nuclear fuel assembly |
| 03/18/1998 | EP0704093B1 Moderator material for neutrons and use of said material |
| 03/17/1998 | US5729581 Core shroud, in particular for cladding a reactor core in a boiling-water nuclear reactor and a method for repairing a core shroud |
| 03/12/1998 | WO1998010426A1 Initial loading core |
| 03/05/1998 | WO1998009294A1 Casing for enclosing a reactor core |
| 03/05/1998 | DE19634827A1 Two part core mantle for nuclear reactor e.g. BWR |
| 03/04/1998 | CN1175063A 燃料装载方法 Fuel loading method |
| 01/21/1998 | CN1171164A Fuel assembly with consumable neutron absorptive body and method for exploiting reactor by implementing such assembly |
| 12/30/1997 | US5703918 Moderator material for neutrons and use of said material |
| 11/25/1997 | US5690005 Tool for remotely installing and torquing tie rod nut with limited vertical access |
| 11/11/1997 | US5687206 Method of replacing a boiling water reactor core shroud |
| 11/11/1997 | US5687205 Underwater remote drilling tool and methods |