| Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332) |
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| 12/18/1990 | US4978480 Method of making nuclear fuel compacts |
| 12/18/1990 | CA1278108C Filtration device for the cooling circuit of a nuclear reactor |
| 12/12/1990 | CN1047753A Fuel assembly of nuclear reactor comprising device for retaining particles contained in cooling fluid of reactor |
| 12/12/1990 | CN1047752A Inferior connector of combustible assembly of nuclear reactor importing filter of retardation of particles |
| 12/05/1990 | EP0401082A1 Nuclear reactor fuel assembly comprising a device for retaining particles present in the reactor coolant liquid |
| 12/05/1990 | EP0400008A1 Fuel element |
| 12/04/1990 | CA1277130C Method for the manufacture of oxide sintered nuclear fuel bodies |
| 11/28/1990 | EP0399223A1 Corrosion resistant cladding for nuclear fuel rods |
| 11/28/1990 | EP0399222A1 Corrosion resistant zirconium alloys containing copper, nickel and iron |
| 11/28/1990 | EP0399182A1 Support grid with integral inclined waves |
| 11/22/1990 | EP0398058A2 Nuclear fuel assembly with expandable top nozzle subassembly |
| 11/20/1990 | US4971753 Nuclear fuel element, and method of forming same |
| 11/20/1990 | US4971750 End stop for welding sealing plugs of nuclear fuel rods |
| 11/20/1990 | US4971734 Method of making nuclear fuel pellets, comprising producing and using pourable, frittable powders obtained directly by precipitation of peroxides |
| 11/15/1990 | WO1990013898A1 Method of sealing a fuel rod by welding |
| 11/14/1990 | EP0332675B1 Fast-neutron reactor core with improved regeneration gain and increased fuel irradiation level |
| 11/13/1990 | US4970048 Mixing grid with fins for nuclear fuel assembly |
| 11/13/1990 | US4970047 Fuel assembly for nuclear reactors |
| 11/07/1990 | EP0395979A1 Method of making a UO2 fuel pellet |
| 11/07/1990 | EP0395920A2 Nuclear fuel with burnable absorber coating |
| 11/06/1990 | US4968480 Nuclear reactor fuel elements |
| 11/06/1990 | US4968479 Fuel assembly for nuclear reactor |
| 11/06/1990 | US4968477 Method and apparatus for removing the fuel rods of a nuclear fuel assembly |
| 11/06/1990 | CA1275831C Zirconium and hafnium with low oxygen and iron |
| 11/06/1990 | CA1275811C Process for producing high purity zirconium and hafnium |
| 10/31/1990 | EP0395509A1 Supporting spring-grid for nuclear fuel assembly |
| 10/31/1990 | EP0395334A2 Spring lock washer for tie rod nuts |
| 10/24/1990 | EP0393415A1 Electrolytic etching apparatus and method for marking metal tubes with sequential identification numbers |
| 10/24/1990 | CN1046411A Lower end nozzle of a fuel assembly having a particle retention device and fuel assembly having such an end nozzle |
| 10/24/1990 | CN1046410A Filter plate of underconnector for fuel details of reactors |
| 10/23/1990 | US4965024 Production of ceramic nuclear fuel pellets |
| 10/19/1990 | CA2014834A1 Electrolytic etching apparatus and method for marking metal tubes with sequential identification numbers |
| 10/17/1990 | EP0392921A1 Filter plate associated to a bottom nozzle of a nuclear reactor fuel assembly |
| 10/17/1990 | EP0392920A1 Nuclear reactor fuel assembly bottom nozzle comprising a particle retaining filter |
| 10/17/1990 | EP0392919A1 Fuel assembly bottom nozzle comprising a particle retaining device and fuel assembly comprising such a bottom nozzle |
| 10/16/1990 | US4963758 Method of making compacts containing precise amounts of nuclear fuel |
| 10/16/1990 | US4963323 Containing tin, iron, chromium; low nitrogen content |
| 10/16/1990 | US4963318 Spring lock washer for tie rod nuts |
| 10/16/1990 | US4963317 Hot isostatic pressing forming diffusion bond between two ductile metal cladding plates enclosing fissionable compound |
| 10/16/1990 | US4963316 Cladding tube with surface layer of zirconium, iron, chromium, nickel, tin alloy; corrosion resistance |
| 10/02/1990 | US4960984 Method and apparatus for reading lased bar codes on shiny-finished fuel rod cladding tubes |
| 10/02/1990 | US4960562 Dispersion strengthened ferritic steel cladding tube for nuclear reactor and its production method |
| 09/26/1990 | EP0389219A2 Nuclear fuel assemblies and reactor cores including them |
| 09/26/1990 | CN1009777B Spacing grid for nuclear fuel assembly |
| 09/19/1990 | EP0388091A2 Nuclear fuel bundle tie plate |
| 09/19/1990 | EP0387653A1 Bimetallic spring member for radiation environment |
| 09/19/1990 | CN1045480A Fuel assemblage bar of anti-corrosion and anti-defacement for nuclear reactor |
| 09/18/1990 | US4957698 Advanced boiling water reactor fuel assembly design |
| 09/18/1990 | US4957697 Nuclear fuel rod support grid with generally S-shaped spring structures |
| 09/18/1990 | US4957696 Fuel element rod for a water-cooled nuclear reactor |
| 09/18/1990 | US4957695 Nuclear reactor fuel assembly |
| 09/12/1990 | EP0386501A2 Improved hold-down spring clamps on fuel assembly top nozzle |
| 08/29/1990 | EP0384825A1 Spacer grid for a nuclear fuel assembly, and mounting method using said grid |
| 08/29/1990 | EP0384220A2 Nuclear fuel-rod support grid |
| 08/21/1990 | US4951299 Intermediate mixing grid |
| 08/21/1990 | US4950551 Being electroplated aluminum of purity greater than 99.99 percent |
| 08/16/1990 | DE4003830A1 Spacer arrangement for fuel rods of nuclear reactors - having grid cells, springs, sheet metal strips and sheet metal strip sections |
| 08/14/1990 | US4948555 Removal device for controlling the flow rate of coolant fluid in a fast-neutron nuclear reactor assembly and corresponding control process and assembly |
| 08/07/1990 | US4946587 Automated gauging apparatus |
| 08/02/1990 | DE4001757A1 Grids for nuclear fuel arrangements |
| 08/01/1990 | EP0380381A1 Wear and corrosion resistant rod for the fuel assembly of a nuclear reactor |
| 08/01/1990 | EP0379947A2 Fuel rod for use in a nuclear fuel assembly |
| 07/31/1990 | US4944912 Fuel rod for a nuclear reactor fuel assembly |
| 07/31/1990 | US4944856 Electrolytic etching apparatus and method for marking metal tubes with sequential identification numbers |
| 07/31/1990 | CA1272307A1 Nuclear reactor fuel assembly |
| 07/24/1990 | US4943409 Reactivity control in nuclear reactors |
| 07/23/1990 | CA2007872A1 Pencil shaped combustible for a nuclear reactor, resistant to corrosion and wear |
| 07/18/1990 | EP0378384A2 Nuclear fuel assemblies |
| 07/18/1990 | EP0378094A1 Intermediate mixing grid |
| 07/18/1990 | CN1043920A U02 pellet fabrication process |
| 07/17/1990 | US4942016 Nuclear fuel element |
| 07/17/1990 | US4942015 Method for preventing and repairing vibrational damage to nuclear fuel rods |
| 07/11/1990 | EP0377077A1 UO2 pellet fabrication process |
| 07/04/1990 | EP0376780A1 Supporting and positioning device for control means and intervention tools for fuel assemblies |
| 07/04/1990 | EP0376583A1 Nuclear fuel particles and method of making nuclear fuel compacts |
| 07/03/1990 | US4938921 Heat treatment to homogenize, rapid cooling, corrosion resistance |
| 07/03/1990 | US4938920 Nuclear reactor fuel assembly |
| 07/03/1990 | US4938919 Hold-down spring clamps on fuel assembly top nozzle |
| 07/03/1990 | US4938918 Precollapsed zirconium alloy cladding; creep resistance |
| 06/29/1990 | CA2005006A1 Nuclear fuel particles and method of making nuclear fuel compacts |
| 06/26/1990 | USRE33243 Process for treating a metal oxide powder |
| 06/20/1990 | EP0373418A2 Fuel rod for a nuclear pressurized water reactor fuel assembly |
| 06/19/1990 | US4935197 Neutron shields for nuclear reactor core sub-assemblies |
| 06/13/1990 | EP0372789A2 Apparatus for machining intricate feature cuts in thin walled tubular parts |
| 06/13/1990 | EP0372788A2 Automated gauging apparatus |
| 06/13/1990 | EP0372787A2 Automated forming apparatus |
| 06/13/1990 | EP0372786A2 System for automated welding of parts assembly in controlled environment |
| 06/13/1990 | EP0372785A2 Automated assembly apparatus |
| 06/13/1990 | EP0372551A2 Reactivity-reducing device for use in on-site fuel assembly storage |
| 06/13/1990 | EP0372214A1 Debris catching spring detent spacer grid |
| 06/12/1990 | US4933138 Spacer-grid for a fuel assembly of a light water nuclear reactor |
| 06/12/1990 | US4933137 Nuclear fuel assembly with means for retarding detector tube wear |
| 06/12/1990 | US4933136 Water reactor fuel cladding |
| 06/06/1990 | EP0371202A1 High strength martensitic steel alloy and method of preparing same |
| 06/05/1990 | US4931615 Apparatus for machining intricate feature cuts in thin walled tubular parts |
| 05/30/1990 | EP0370884A1 Fuel element rod for a pressurized-water nuclear reactor |
| 05/30/1990 | CN1042619A Method and apparaturs of taking out lock shell tube from disassemble guide tube of reactor fuel elements |
| 05/23/1990 | EP0369305A1 Fuel assembly containing fuel rods having standardized-length burnable absorber integral with fuel pellets and method of customizing fuel assembly |
| 05/22/1990 | US4927468 Process for making a martensitic steel alloy fuel cladding product |
| 05/15/1990 | US4926450 Fuel assembly |