Patents
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)
08/1989
08/22/1989US4859404 Reactor vessel internals storage area arrangement
08/22/1989US4859326 Electrolytic tubular mixer-settler
08/22/1989US4858306 Apparatus for pulling a plurality of fuel rods from a fuel element
08/16/1989EP0328285A2 Radioactive waste storage system
08/16/1989EP0327944A2 Guide pin assembly for a nuclear reactor
08/16/1989EP0327943A2 Tie-down assembly for securing a cask containing radioactive waste to a vehicle
08/16/1989EP0327841A1 Process for cutting a radioactively contaminated building element
08/15/1989US4857263 Storage of spent nuclear fuel
08/15/1989US4857262 System for singularizing fuel rods in a fuel element
08/15/1989US4857040 High-speed centrifugal extractor having improved weirs
08/09/1989EP0327055A2 Nuclear fuel assembly handling tool
08/03/1989DE3802047A1 Process for removing a radioactive metal from an aqueous solution
08/03/1989DE3801635A1 Device for moving a fuel element in a water pool
07/1989
07/27/1989DE3801550A1 Building for storing spent nuclear-reactor fuel elements
07/26/1989EP0324862A1 Nuclear fuel reprocessing plant
07/25/1989US4851186 Nuclear reactor core and process for charging said core
07/25/1989US4851185 Radiation shielding method and apparatus
07/18/1989US4849161 Debris-resistant fuel assembly
07/11/1989US4847042 Apparatus for storing nuclear reactor fuel assemblies in a water pit
07/05/1989EP0323139A2 Tube plug tip restrainer apparatus
07/05/1989EP0322602A2 Fuel assembly alignment pin straightening device and method
07/04/1989CA1256833A1 Method and apparatus for loading fuel rods into a container
06/1989
06/29/1989DE3742674A1 Liquid metal vapour trap with temperature control in the approach
06/28/1989EP0322142A2 Inhibition of nuclear reactor coolant circuit contamination
06/27/1989US4842812 Active surfaces of suspended particles attract colloidal corrosion product deposits
06/27/1989US4842809 Vertical close pack rod arraying system
06/21/1989EP0321365A2 Decanter centrifuge with a retractable feeding device
06/21/1989EP0321348A1 Process for re-extracting in an aqueous solution plutonium contained in an organic solvent, for use, for instance, in uranium-plutonium separation
06/21/1989EP0321334A1 Apparatus and method for separating nuclear fuel assembly nozzles
06/14/1989EP0320357A1 Machine for removing spacer wires from nuclear fuel rods
06/14/1989EP0320019A2 Method and apparatus for the quantitative analysis of solutions and nuclear water quality control system
06/14/1989EP0319725A1 Debris resistant fuel assembly
06/13/1989US4839103 In an airtight vessel by condensing vapors of nitric acid
06/08/1989DE3740146A1 Fuel rod packing-reducing arrangement - having change-over device to remove fuel rods and introduce same into guide tube bundle for transfer to transport container
06/07/1989EP0319409A1 Cold trap for the purification of liquid metals with zones of separated traps
05/1989
05/30/1989US4834936 Continuous dissolution apparatus for spent nuclear fuel
05/30/1989US4834934 Thimble grip fuel assembly handling tool
05/30/1989US4834916 Apparatus for the dry storage of heat-emitting radioactive materials
05/24/1989EP0317312A2 Store for radioactive material
05/23/1989US4832903 Dry storage arrangements for nuclear fuel
05/23/1989US4832902 Refueling of nuclear reactor
05/23/1989US4832813 Pulsed counterflow extraction column
05/16/1989US4830835 Tubular mixer-settler for liquid-liquid countercurrent extraction
05/16/1989US4830816 Getter trap for removing hydrogen and oxygen from a liquid metal
05/16/1989US4830814 Integrated head package for a nuclear reactor
05/16/1989US4830738 Separation of matter by floatation
05/16/1989CA1254308A1 Basin, namely de-activation pool for nuclear plant
05/09/1989US4828791 Nuclear fuel assembly debris resistant bottom nozzle
05/03/1989EP0313887A2 One-piece temporary gap seal between reactor vessel and closure head
05/03/1989DE3735840A1 Device for cleaning sealing surfaces of a reactor pressure container lid
05/03/1989DE3735660A1 Tool for pulling fuel rods
05/02/1989US4827139 Spent nuclear fuel shipping basket and cask
05/02/1989US4826651 Method and apparatus for assisting the process of loading a reactor core with elongated fuel elements
04/1989
04/26/1989EP0312902A2 Thermal protection shell for radioactive waste containers
04/26/1989EP0312870A2 Improved closure for casks containing radioactive materials
04/25/1989US4824633 Method and apparatus for controlling refuelling machine of reactor
04/25/1989US4824632 Fuel assembly alignment pin straightening device
04/25/1989US4824430 High-speed centrifugal extractor having spiral liquid path
04/25/1989US4823846 Tube plug tip restrainer apparatus
04/19/1989EP0312460A1 Disconnectible element for joining two closed vessels together
04/19/1989EP0312433A1 Process for the reductive dissolution of Pu02, for use in the treatment of organic wastes contaminated by Pu02
04/19/1989EP0312045A1 Centrifugal extractor
04/18/1989US4822555 Container for plate-like objects
04/18/1989US4822554 Reconstitution and repair system for nuclear fuel rod assemblies
04/18/1989CA1252919A1 Actuating device for linearly moving a cluster of control elements in a nuclear reactor
04/12/1989EP0311037A2 Debris-resistant bottom nozzle for a nuclear fuel assembly
04/11/1989US4820479 Guide pin assembly for a nuclear reactor
04/11/1989US4820477 Method and apparatus for providing a non-radioactive coolant for a nuclear reactor
04/11/1989US4820476 System and method for plugging the core barrel of a nuclear reactor
04/11/1989US4820472 Nuclear reactor spent fuel storage rack
04/04/1989CA1252231A1 Device and method for retaining a linearly movable element in a nuclear reactor
04/04/1989CA1252064A1 Acid extraction process, namely of boric acid, from a lightly ionised solution
03/1989
03/28/1989US4816209 Supplying to reservoir containing deionized water at boiling point
03/28/1989US4815624 Container for nuclear fuel elements
03/28/1989CA1251872A1 Method and apparatus for loading a ball-bed nuclear reactor
03/28/1989CA1251759A1 Procedure for transferring objects without breaking confinement
03/23/1989DE3833401A1 Device for the elimination of hydrogen from a post-accident atmosphere of a nuclear power station
03/22/1989EP0307909A1 Seperator device for reactors
03/22/1989EP0307581A1 Adsorption installation for gas separation
03/21/1989US4814138 Method for repairing a nuclear reactor fuel assembly and a replacement rod for performing the method
03/21/1989US4814046 Process to separate transuranic elements from nuclear waste
03/21/1989CA1251581A1 Structure that can be erected and dismantled on the fuel element storage rack site of nuclear reactors, and method of erection
03/15/1989EP0307337A1 Protection bag for loading irradiated fuel
03/15/1989EP0307144A2 Method for decreasing colloidal corrosion product deposition rate
03/02/1989DE3734038C1 Remote-controlled shears for cutting up irradiated nuclear fuel rods into segments
02/1989
02/23/1989DE3727207A1 Device for recombining hydrogen and oxygen
02/23/1989DE3726770A1 Filter device for filtering out readily volatile impurities from an airstream
02/22/1989CN1031295A Nuclear reactors device for low capacity gas cooling and kind of this nuclear reactors
02/21/1989US4805951 Gripping a retraction cone attached to a workpiece
02/16/1989DE3826316A1 Device for decanning (decladding) of nuclear fuel subassemblies
02/15/1989EP0303144A1 Device for the recombination of hydrogen and oxygen
02/09/1989WO1989001224A1 Nuclear fuel reprocessing plant
02/08/1989EP0302282A1 Reversible fuel assembly grid tab repair tool
02/07/1989US4803041 Process for the recycling of nuclear fuel pellets previously irradiated in a fast neutron nuclear reactor
02/02/1989DE3820187A1 Elimination of hydrogen from a post-accident atmosphere of a nuclear power station
02/01/1989EP0301536A2 Palladium alloy as a catalyst for hydrogen oxidation in an atmosphere containing hydrogen and oxygen
02/01/1989EP0301146A1 Adjustably mounted lighting fixture for a pool containing radioactive material
01/1989
01/31/1989US4801422 Apparatus for installing and removing a control rod drive in a nuclear reactor
01/26/1989DE3723728A1 Method for cutting up fuel rods of a nuclear reactor fuel assembly, and device for implementing this method
01/24/1989US4800062 On-site concrete cask storage system for spent nuclear fuel
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