| Patents for G21C 19 - Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel (6,229) |
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| 12/23/1981 | EP0042323A1 Installation for the storage and/or transportation of nuclear fuel element assemblies |
| 12/22/1981 | US4306936 Method of cooling a fuel assembly-transport container and cooling circuit for performing the method |
| 12/22/1981 | US4306397 Mounting means for a storage container for fuel assembly clusters |
| 12/15/1981 | US4305787 Storage rack for spent radioactive fuel |
| 12/15/1981 | US4305786 Shutdown reactivity meter system for nuclear fuel storage cells |
| 12/15/1981 | CA1114526A1 Transport and storage receptacle for radioactive waste |
| 12/08/1981 | US4304667 Filter for purifying a fluid containing ferromagnetic particles |
| 12/08/1981 | US4304645 Process for removing helium and other impurities from a mixture containing deuterium and tritium, and a deuterium/tritium mixture when purified in accordance with such a process |
| 12/08/1981 | US4304156 Apparatus for applying covers to nuclear reactor vessels |
| 12/08/1981 | CA1113709A1 Neutron absorbing article and method for manufacture of such article |
| 12/08/1981 | CA1113692A1 Cleaning method for the internal walls of a chemical reactor |
| 11/25/1981 | EP0009496B1 Multiple wall angle connection |
| 11/24/1981 | US4302419 Electronic control circuit to maintain specific stoichiometry of gas reactants |
| 11/24/1981 | US4302289 Method of exchanging fuel in a nuclear reactor |
| 11/18/1981 | EP0039826A1 Method and arrangement for pressure attenuation in the pressure vessel of a nuclear reactor system |
| 11/18/1981 | EP0039815A1 Process and device for reprocessing nuclear fuels |
| 11/18/1981 | EP0039785A1 Shipping and storage container for protection against radiation from used fuel elements |
| 11/17/1981 | CA1112458A1 Process to retain volatile, radioactive substances obtained in the reprocessing of nuclear fuel |
| 11/10/1981 | US4299659 Apparatus for storing self-heating radioactive materials |
| 11/03/1981 | US4297873 Plugging device |
| 11/03/1981 | US4297776 Leaf spring puller for nuclear fuel rods |
| 11/03/1981 | CA1111970A1 Tubular closure mechanism |
| 10/28/1981 | EP0038764A1 Uses of diphosphonic derivatives in cation exchange, diphosphonic derivatives and their manufacturing processes |
| 10/27/1981 | US4297324 Apparatus for the continuous processing of compounds in a liquid |
| 10/27/1981 | US4297174 Dissolving in an alkali metal sulfate bath to obtain plutonium oxide; electrodeposition of uranium oxide |
| 10/27/1981 | CA1111579A1 Nuclear reactor fuel channel |
| 10/27/1981 | CA1111341A1 Apparatus for cutting through a tube bundle |
| 10/21/1981 | EP0038270A2 Means for supporting and guiding a tool at the interior of a hole |
| 10/21/1981 | EP0037994A1 Method of eliminating the decay heat of radioactive substances |
| 10/20/1981 | US4296074 Hydriding, dehydriding |
| 10/20/1981 | US4295401 Apparatus for disposing of radioactive fuel channels |
| 10/13/1981 | US4294805 Method of leaching the contents of a can |
| 10/13/1981 | CA1110783A1 Fuel assembly with a removable end fitting |
| 10/06/1981 | US4293773 Method for containing spent nuclear fuel rods in a protective container to facilitate disposal |
| 10/06/1981 | US4293598 Method for increasing boron10 contents of neutron absorbing articles |
| 10/06/1981 | US4293382 Method of starting up a nuclear reactor |
| 10/06/1981 | US4293317 Fission product adsorbent impregnated with quinuclidene |
| 10/01/1981 | WO1981002807A1 Silica removal process and alumina composition used therein |
| 09/30/1981 | EP0036821A1 Guide tubes for light water nuclear reactor fuel assemblies |
| 09/29/1981 | US4292528 Cask for radioactive material and method for preventing release of neutrons from radioactive material |
| 09/29/1981 | US4292133 Compact design |
| 09/29/1981 | US4292131 Coupling mechanism of control rod for nuclear reactor |
| 09/29/1981 | US4292130 Remotely assemblable and disassemblable fuel assembly for nuclear reactors |
| 09/29/1981 | US4291865 Radial cold trap |
| 09/22/1981 | US4290906 Nuclear reactors |
| 09/22/1981 | US4290849 Nuclear reactor |
| 09/22/1981 | US4290822 Adding metal hydroxide remove oxides, hydrides |
| 09/16/1981 | EP0035911A1 Plug removal apparatus |
| 09/15/1981 | US4289291 Retractable storage lug |
| 09/08/1981 | US4288699 Storage rack for the storage of fuel elements of nuclear reactors |
| 09/08/1981 | US4288698 Transport and storage vessel for radioactive materials |
| 09/08/1981 | US4288290 Apparatus for exchanging control rod drive mechanism in a nuclear reactor |
| 09/01/1981 | US4287426 Nuclear fuel storage apparatus for seismic areas |
| 09/01/1981 | US4287145 Method for manufacturing neutron absorbing article |
| 08/25/1981 | US4286287 Irradiation specimen installation apparatus with television inspection |
| 08/25/1981 | US4285891 Flushing the nuclear fuel with first a hydrogen-containing inert gas and then just an inert gas while heating at high temperatures |
| 08/25/1981 | US4285769 Control cell nuclear reactor core |
| 08/19/1981 | EP0034103A2 Nuclear reactor control-rod operating devices |
| 08/19/1981 | EP0034100A1 Transfer and storage device for nuclear reactor fuel assemblies |
| 08/18/1981 | CA1107409A1 In-core fuel management for nuclear reactor |
| 08/12/1981 | EP0033444A1 Process for recovering uranium and/or plutonium from solutions with a high salt load |
| 08/11/1981 | CA1106615A1 Process for recovering actinide values |
| 08/05/1981 | EP0033091A1 Process for purifying a nitric-acid U/Pu solution |
| 08/05/1981 | EP0033074A2 Repair apparatus for fuel elements of boiling water nuclear reactors |
| 08/04/1981 | US4282112 Ruthenium recovery process by solvent extraction |
| 07/29/1981 | EP0032803A1 Fission product adsorbent impregnated with quinuclidine |
| 07/21/1981 | US4279875 Releasing tritium from nuclear fuel by oxidation with nitrogen dioxide |
| 07/21/1981 | US4279699 Combined gripper for a nuclear reactor |
| 07/15/1981 | EP0032070A1 Apparatus for treating compounds in a liquid |
| 07/14/1981 | US4278559 Method for processing spent nuclear reactor fuel |
| 07/14/1981 | US4278531 Apparatus and method for transporting items |
| 07/14/1981 | US4278499 Apparatus for the purification of a liquid metal for cooling in the core of a fast neutron reactor |
| 07/08/1981 | EP0031669A2 Nozzle penetration arrangements for nuclear reactor pressure vessel closures |
| 07/08/1981 | EP0031551A1 Stud duct for the pressure vessel cover of a nuclear reactor |
| 07/08/1981 | EP0031410A1 Method of desorbing fission iodine from a nitric-acidic fuel solution |
| 07/07/1981 | US4277256 Dilution with carrier gas having approximately the same separating behavior as the radioactive substances |
| 07/01/1981 | EP0031067A1 Method for dissolving hardly soluble nuclear fuels |
| 07/01/1981 | EP0031048A1 Device and method for storing spent fuel elements |
| 06/24/1981 | EP0030884A1 Apparatus for treating compounds in a liquid |
| 06/23/1981 | US4275045 Method of extraction, trapping and storage of radioactive iodine contained in irradiated nuclear fuels |
| 06/23/1981 | US4274280 Plugging indicator |
| 06/16/1981 | US4273614 Closure device for fuel assembly pot |
| 06/16/1981 | US4273613 Using thorium rods |
| 06/09/1981 | US4272321 Nuclear reactor internals and control rod handling device |
| 06/02/1981 | US4271126 Fluidized bed reactor for working up carbon coated particles |
| 06/02/1981 | US4271034 Process of denitration of highly radio-active waste solutions |
| 05/26/1981 | US4269660 Device for transporting radioactive material |
| 05/26/1981 | US4269558 Apparatus for introducing a fuel element into a fuel assembly of a nuclear reactor |
| 05/19/1981 | US4268355 Paraseismic device for the handling hood of a nuclear reactor |
| 05/13/1981 | EP0028442A2 Storage arrangements for nuclear fuel elements |
| 05/06/1981 | EP0028054A2 Rack, in particular for the storage of nuclear fuel assemblies |
| 05/06/1981 | EP0028010A2 Method and device for storing radioactive waste, in particular irradiated fuel elements |
| 05/05/1981 | US4265707 Method and apparatus for separating fission and activation products from gas atmospheres |
| 05/05/1981 | CA1100439A1 Combination ion exchange and electrodialysis fluid purification apparatus |
| 04/21/1981 | CA1099766A1 Method of and apparatus for replacing control rod drive |
| 04/14/1981 | US4261952 Fuel rod reprocessing plant |
| 04/08/1981 | EP0026714A1 Pressure discharging device for the primary circuit of a pressurised water reactor |
| 04/08/1981 | EP0026364A1 Rack for storing longitudinally arranged fuel elements |
| 04/07/1981 | US4260312 Apparatus for transferring toxic and radioactive materials |
| 03/31/1981 | US4259153 Device for removal of fuel assemblies and cans of control and safety system from core of nuclear reactor |