| Patents for G21C 3 - Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements (6,332) |
|---|
| 05/15/1990 | US4924586 Automated forming apparatus |
| 05/08/1990 | US4923669 Nuclear fuel rod grid spring and dimple structures having chamfered edges for reduced pressure drop |
| 05/01/1990 | US4921663 End plug weld for nuclear fuel rod |
| 05/01/1990 | US4921282 Undermoderated nuclear reactor |
| 05/01/1990 | CA1268563A1 Fuel assembly for nuclear reactor |
| 04/25/1990 | EP0365162A2 Nuclear fuel and method of making compacts with precise amounts thereof |
| 04/25/1990 | EP0365025A2 Fuel assembly, spectral shift rod, nuclear reactor and power control method for nuclear reactor |
| 04/25/1990 | EP0364623A1 Fuel assembly, particularly for a pressurized-water reactor |
| 04/24/1990 | US4919884 Modular nuclear fuel element, modular capsule for such element and method for such element and method for manufacturing such modular capsule |
| 04/24/1990 | US4919883 Lower end fitting debris collector and end cap spacer grid |
| 04/24/1990 | US4919867 Method for sintering high temperature ceramics |
| 04/18/1990 | CN1041475A Device and process for fitting of blocking sleeve of guide tube in removable connector of fuel assembly of nuclear reactor |
| 04/18/1990 | CN1041474A Apparatus and method for drawing blocking sleeve of guide tube of fuel assembly of nuclear reactor |
| 04/18/1990 | CN1041473A Disassembling device of fixating guide tube at extremity of fuel assemblage of nuclear reactor |
| 04/18/1990 | CN1041472A Assemblage combustible dismantling of light water cool nuclear reactors |
| 04/18/1990 | CN1007671B Fuel assembly for nuclear reactors |
| 04/17/1990 | US4918710 Fabrication procedure for a cross-bracing grid for a fuel assembly of a nuclear reaction |
| 04/17/1990 | US4917856 Self-latching reactivity-reducing device for use in on-site spent fuel assembly storage |
| 04/05/1990 | WO1990003647A1 Arrangement for centering components of a nuclear reactor |
| 04/04/1990 | EP0362009A1 Device and method to extract locking sleeves from guide tubes of reconstituable nuclear reactor fuel assemblies |
| 04/04/1990 | EP0362005A1 Method and device to extract locking sleeves from guide tubes of reconstituable nuclear reactor fuel assemblies |
| 04/04/1990 | EP0361891A2 Apparatus for assembling and welding end plugs to nuclear fuel cladding tubes and inspecting the end plug welds on an automated basis |
| 04/04/1990 | EP0361794A1 Apparatus for loading nuclear fuel rods |
| 04/04/1990 | EP0361037A2 Self-locking plenum spring |
| 04/04/1990 | EP0268817B1 Rotation-proof mechanical fastener and tool to secure the fastener |
| 04/03/1990 | US4914679 Fuel assembly |
| 04/03/1990 | US4914678 Reactor core in a nuclear reactor and initial core in a nuclear reactor |
| 04/03/1990 | US4913876 Nuclear reactor fuel assembly |
| 04/03/1990 | US4913875 Swirl vanes integral with spacer grid |
| 04/03/1990 | US4913707 Automated assembly apparatus |
| 04/03/1990 | US4913559 Fuel assembly alignment pin straightening method |
| 03/29/1990 | DE3919286A1 Nuclear fuel element for particle bed reactor - with fuel bed in annular space between porous external frit contg. fissile material, and internal fit |
| 03/28/1990 | EP0360665A1 Device for inserting a guide thimble locking tube in a nozzle of a reconstituable nuclear reactor assembly |
| 03/28/1990 | EP0360664A1 Removable fixture device for a guide tube of a fuel assembly end nozzle of a nuclear reactor |
| 03/28/1990 | EP0360658A1 Fuel assembly capable of being disassembled for a light water-cooled nuclear reactor |
| 03/27/1990 | US4911881 Spring packed particle bed fuel element |
| 03/22/1990 | WO1990003035A1 Fuel element |
| 03/20/1990 | US4909980 Electromagnetic apparatus for positioning objects located behind a conductive wall |
| 03/14/1990 | EP0358068A2 Method for repairing a nuclear fuel assembly and arrangement of a repaired fuel assembly in a fuel assembly unit of a nuclear reactor |
| 03/13/1990 | US4908180 Reactor core, reactor fuel assembly, fuel rod in fuel assembly, fuel column enriched with fissionable nuclei, water coolant assembly, steam generator; nuclear fuel column having controlled depletion zone |
| 03/13/1990 | US4908071 Annealing alloy of zirconium, tin, iron, chromium, nickel after extrusion and between cold rolling, by heating at a combination of time and temperature to produce equilibrium between zirconium matrix and secondary phase, cooling |
| 03/13/1990 | US4907948 Non-evaporable ternary gettering alloy, particularly for the sorption of water and water vapor in nuclear reactor fuel elements |
| 03/06/1990 | US4905546 Twist-proof mechanical connecting assembly |
| 02/28/1990 | EP0355438A2 Method for passivating uranium oxides to control oxidation, and the oxidation resisting uranium product thereof |
| 02/27/1990 | US4904444 Method for manipulating and/or storing a nuclear reactor fuel assembly including an elongated skeleton with fuel rods, and a nuclear reactor fuel assembly especially for use with this method |
| 02/20/1990 | US4903281 System for fuel rod removal from a reactor module |
| 02/20/1990 | US4902468 Control rod support having planar wear surfaces |
| 02/15/1990 | DE3826864A1 Liquid metal cooled breeder reactor having an internal fuel star |
| 02/13/1990 | US4900508 High strength nuclear fuel grid |
| 02/13/1990 | US4900507 Nuclear fuel assembly debris filter bottom nozzle |
| 02/07/1990 | EP0354012A2 Nuclear fuel assembly coolant control |
| 02/07/1990 | EP0353967A2 Reinforcement of channel at lower tie-plate in BWR fuel bundle |
| 02/07/1990 | EP0353733A2 Fuel assembly for nuclear reactor, method for producing the same and structural members for the same |
| 01/30/1990 | US4897241 Anti-bow grid for nuclear fuel assembly |
| 01/30/1990 | US4897239 Instrumentation column for the core of a pressurized water nuclear reactor |
| 01/30/1990 | CA1264920A1 Preparation of powdered metallic oxides from metallic nitrates |
| 01/23/1990 | US4895698 Nuclear fuel rod grip with modified diagonal spring structures |
| 01/23/1990 | US4895697 Top support lock |
| 01/23/1990 | US4895695 Method for loading fuel rods into grids of nuclear fuel assemblies |
| 01/17/1990 | EP0351334A1 Process for manufacturing nuclear fuel pellets comprising the production and the use of flowable and frittable powders directly obtained by precipitating peroxides |
| 01/16/1990 | US4894848 Automated nuclear fuel rod pattern loading system |
| 01/16/1990 | US4894203 Nuclear fuel element having oxidation resistant cladding |
| 01/16/1990 | US4894200 Boiling water nuclear reactor, fuel assemblies, control rods |
| 01/03/1990 | EP0349408A1 Mixing grid with vanes for a nuclear fuel assembly |
| 01/03/1990 | CN1006338B Fuel composition and unclear reactor |
| 01/02/1990 | USH722 Nuclear reactor fuel with radially varying enrichment |
| 12/27/1989 | EP0347674A1 Fuel assembly for a pressurized water reactor |
| 12/27/1989 | EP0347638A2 Alloy coated nuclear fuel cladding |
| 12/26/1989 | US4889684 Hydraulic reinforcement of channel at lower tie-plate in BWR fuel bundle |
| 12/26/1989 | US4889663 Method of manufacturing uranium oxide base nuclear fuel pellets |
| 12/20/1989 | EP0346657A2 Flow tripper in combination with spacer deflector |
| 12/19/1989 | US4888152 Fuel assembly grid for light water reactor |
| 12/13/1989 | EP0345531A2 Ductile irradiated zirconium alloy |
| 12/13/1989 | EP0345499A2 End plug weld for nuclear fuel rod |
| 12/13/1989 | CN1037879A Uo2 pellet fabrication process |
| 12/13/1989 | CN1037878A Uo2 pellet fabrication process |
| 12/12/1989 | US4885961 Replacement of split-pin assemblies in nuclear reactor |
| 12/06/1989 | EP0344528A2 Apparatus for welding an end plug of a burnable neutronsabsorber rod with a reduced diameter trailing shoulder to a tube. |
| 12/06/1989 | EP0344396A2 Uranium dioxide pellet production process |
| 12/06/1989 | EP0344395A2 Uranium dioxide pellet production process |
| 12/05/1989 | US4885147 Isothermal heating in carbon dioxide, sintering in reducing gas |
| 12/05/1989 | US4885127 Nuclear fuel rod support grid with attachable spring and dimple support spacers |
| 12/05/1989 | CA1263526A1 Binder system for the manufacture of nuclear fuel pellets, and the method and product thereof |
| 11/29/1989 | EP0343582A2 Components for constituting a nuclear reactor core, and method of operating a nuclear reactor |
| 11/21/1989 | US4882100 Uo2 pellet fabrication process |
| 11/14/1989 | US4880597 Alloy coated fuel cladding |
| 11/08/1989 | EP0340667A2 Method and code reader for reading the identification code of a nuclear fuel assembly |
| 11/08/1989 | EP0340563A2 Fuel column retainer using radially compressed spring |
| 11/07/1989 | US4879093 Corrosion resistance, components of nuclear reactors |
| 11/07/1989 | US4879090 Split vaned nuclear fuel assembly grid |
| 11/01/1989 | CN1005663B Zirconium alloy fuel cladding resistant to pci crack propagation |
| 10/24/1989 | US4876063 Double-d water rod for 9 by 9 fuel bundle |
| 10/24/1989 | US4876062 Fuel assembly |
| 10/11/1989 | EP0336203A2 Two-phase pressure drop reduction BWR assembly design |
| 10/11/1989 | EP0336153A2 Improved nuclear fuel grid outer strap |
| 10/10/1989 | US4873117 Stainless steel tubular element with improved wear resistance |
| 10/10/1989 | US4873051 Nuclear fuel grid outer strap |
| 10/10/1989 | US4873031 Adjusting the concentration of uranium reaction mixture and the speed of contact with ammonia |
| 10/04/1989 | EP0335241A1 Device for control of the coolant flow to and in a nuclear fuel assembly |
| 10/04/1989 | EP0335215A1 Spacer grid for a nuclear fuel assembly |