| 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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| 01/18/1989 | EP0299324A1 Remotely controllable tube connection and multi-purpose tool therefor |
| 01/18/1989 | EP0299268A2 Gripper tool for a device remotely extracting samples from a container, especially a reactor pressure vessel |
| 01/17/1989 | US4798930 Process for producing a weld-built member |
| 01/10/1989 | US4797248 Gripping apparatus for a group of rods of nuclear fuel assembly |
| 01/10/1989 | US4796600 Gas wall oven |
| 01/04/1989 | EP0297881A2 Integrated head package for a nuclear reactor |
| 12/28/1988 | CA1247758A Control rod driveline and grapple |
| 12/27/1988 | US4793962 Process for placing a bundle of rods of a nuclear fuel assembly into a case and installation for performing this process |
| 12/21/1988 | EP0295451A2 A system for removing and consolidating the fuel rods of a nuclear fuel assembly |
| 12/20/1988 | US4791801 Reversible fuel assembly grid tab repair tool |
| 11/29/1988 | US4788030 Spacer strips secured to tubes defining seal-tight chambers with releasable covers; earthquake resistance |
| 11/29/1988 | US4788029 Apparatus for storing fuel assemblies in pool |
| 11/29/1988 | US4788028 Retractable shoes; movable platform with verticle telescopic mast with gripping tool |
| 11/29/1988 | US4788027 Die and cylinder punch mechanism |
| 11/29/1988 | US4787979 Dividing extractant and introducing different streams at different stages |
| 11/29/1988 | CA1245456A1 Process for the recovery of molybdenum-99 from an irradiated uranium alloy target |
| 11/23/1988 | EP0292115A2 A valve and filter assembly |
| 11/22/1988 | US4786460 Installation for handling assemblies forming the core of a fast neutron nuclear reactor |
| 11/17/1988 | EP0291286A2 Nuclear reactor refueling apparatus |
| 11/15/1988 | US4785386 Orientable lighting apparatus for a pond containing radioactive materials |
| 11/15/1988 | US4784823 Nuclear fuel or radioactive waste storage |
| 11/15/1988 | CA1244854A1 Fuelling machine fine homing system |
| 11/09/1988 | EP0289907A1 Device for the controlled combustion of ignitable hydrogen-air mixtures in the containments of water-cooled nuclear reactors |
| 11/09/1988 | EP0289829A2 Nuclear fuel assembly with a debris-filter bottom nozzle |
| 11/03/1988 | WO1988008608A1 Store |
| 11/03/1988 | DE3713087A1 Remote-controllable tool for manipulating fuel rods arranged in nuclear reactor fuel assemblies in the spent fuel pit of nuclear reactors |
| 11/01/1988 | US4781883 Elongated rectangular cells enclosure containers in matrix of slots; long term use |
| 11/01/1988 | US4781882 Adjustable loading and positioning of fuel assemblies |
| 10/27/1988 | DE3711974A1 Method and device for loading and unloading casks for spherical fuel elements |
| 10/26/1988 | CN88101937A Device remoting fuel rods taken from fuel assemblies |
| 10/25/1988 | US4780288 Solvent extraction columns |
| 10/25/1988 | US4780271 Converting hydrogen to water vapor and cooling |
| 10/25/1988 | US4780269 Horizontal modular dry irradiated fuel storage system |
| 10/25/1988 | US4780268 Neutron absorber articles |
| 10/18/1988 | US4778646 Gas cooled high temperature reactor charged with spherical fuel elements |
| 10/18/1988 | US4778645 Pressurized water reactor having disconnectable two-piece drive rod assemblies, and related methods of assembly and maintenance operations |
| 10/18/1988 | CA1243213A1 Depository for radioactive waste and spent fuel cells |
| 10/12/1988 | EP0285819A2 Device for pulling a plurality of fuel rods out of a fuel assembly |
| 10/11/1988 | US4776982 Procedure for temporary storage of radioactive material |
| 10/05/1988 | EP0284944A1 Process for changing the capacity of an ion exchanger for a particular chemical element |
| 10/05/1988 | EP0284814A2 Nuclear fuel rod loader for pulling fuel rods into a fuel assembly skeleton |
| 10/04/1988 | US4775507 Method for compacting spent nuclear reactor fuel rods |
| 10/04/1988 | US4775397 Air supply and recirculation system |
| 09/27/1988 | US4774262 Crosslinked, binding, esterification recovering metals |
| 09/27/1988 | US4774026 Semiconductor photocatalyst, electromagnetic waves |
| 09/21/1988 | EP0282810A2 Method for wet dissolving of nuclear fuels of uranium-plutonium mixed oxide |
| 09/20/1988 | US4772446 Gripper assembly for inserting and removing burnable absorber rods and thimble plugs in a nuclear reactor fuel assembly |
| 09/20/1988 | US4772429 Reprocessing nuclear fuels |
| 09/20/1988 | US4772056 Static latching arrangement and method |
| 09/14/1988 | EP0281672A2 Minimization of radioactive material deposition in water-cooled nuclear reactors |
| 09/13/1988 | US4770315 For making chemical equipment for use in corrosive mediums |
| 09/06/1988 | US4769222 Method of dissolving nuclear material from a nuclear fuel cartridge |
| 09/06/1988 | CA1241528A1 Apparatus and method for removing thermocouples from nuclear reactor vessel |
| 08/31/1988 | EP0280552A2 Arrangement for plugging poorly accessible flow holes having a chamfer |
| 08/25/1988 | DE3705193A1 Ignition system and method of ignition of low concentrations of H2 in the event of accidents in nuclear power stations |
| 08/24/1988 | EP0279741A1 Method and device for cutting irradiated fuel elements in a horizontal position, using a slidable blade holder |
| 08/23/1988 | US4765947 Probe guide duct device for a nuclear reactor |
| 08/17/1988 | EP0278799A1 Reactor core and fuelling process for this core |
| 08/16/1988 | US4764352 Process for preventing the extraction of technetium and/or rhenium, particularly during the extraction of uranium and/or plutonium by an organic solvent |
| 08/16/1988 | US4764338 Method for operating boiling water-type atomic power plant |
| 08/16/1988 | US4764337 Boric acid-polyhydric alcohol product |
| 08/16/1988 | US4764336 Basin, in particular a de-activation pool of a nuclear station |
| 08/09/1988 | US4762671 Injection device |
| 08/09/1988 | US4762670 Cleaning apparatus for atomic reactor control rod driving means (CRD) |
| 08/09/1988 | US4762666 Hydraulically moving to closure position in the absence of fuel charge |
| 08/09/1988 | US4762664 Method and apparatus for compacting spent nuclear reactor fuel rods |
| 08/03/1988 | EP0276529A1 Apparatus and method for consolidating spent fuel rods |
| 08/03/1988 | EP0276528A1 System and method for consolidating spent fuel rods |
| 08/02/1988 | US4761107 Apparatus for transferring components to and from containers |
| 07/26/1988 | US4759900 Inhibition of radioactive cobalt deposition in water-cooled nuclear reactors |
| 07/26/1988 | US4759878 Process for the batch fine purification of uranium or plutonium recovered in a reprocessing process for irradiated nuclear fuel and/or fertile materials |
| 07/26/1988 | US4759674 Remotely-operable positioning and carrying apparatus for remote-handling equipment |
| 07/19/1988 | US4758313 Dissolving in aqueous nitric acid solution; extraction |
| 07/19/1988 | CA1239489A1 Monitoring and control of fuel loading and unloading operations of a nuclear reactor |
| 07/12/1988 | US4756876 Containment made of radiation absorbing material, pump, ultrafilter, heat exchanger, connector, heat insulating material in divided form |
| 07/12/1988 | US4756875 Casing containing polyethylene hollow fibers having sponge-like mesh structure |
| 07/12/1988 | US4756874 Minimization of radioactive material deposition in water-cooled nuclear reactors |
| 07/12/1988 | US4756871 Method of storing spent nuclear fuel elements |
| 07/12/1988 | US4756870 For use in preparing nuclear fuel rods separated from irradiated nuclear reactor fuel element for storage |
| 07/12/1988 | US4756869 Method of storing spent nuclear fuel elements |
| 07/12/1988 | US4756656 In an irridated underwater environment |
| 07/12/1988 | US4756067 Manual replacement of old split-pin assemblies by new split-pin assemblies |
| 07/05/1988 | US4755359 Having foils adhered to support in container so they extend into surroundings on opening |
| 07/05/1988 | US4755347 Dry storage of irradiated nuclear fuel |
| 06/28/1988 | US4753769 Device and method for retaining a linearly movable element in a nuclear reactor |
| 06/21/1988 | US4752434 Vertical movement, positioning |
| 06/15/1988 | EP0271298A2 Improved apparatus for electrolytic reaction |
| 06/15/1988 | CN87106875A Method and apparatus for taking ball fuel elements from ball reactors |
| 06/09/1988 | DE3640958A1 Rupture ball |
| 06/08/1988 | EP0270453A1 Process for separating the technetium contained in an organic solvent comprising zirconium and at least one other metal such as uranium or plutonium, especially for use in reprocessing irradiated nuclear fuels |
| 06/08/1988 | EP0270332A2 Position sensing mechanism for a nuclear fuel transfer system |
| 06/07/1988 | US4749541 Pivotable mounted fuel container on underwater cart |
| 06/07/1988 | US4749519 Oxidizing with silver oxide, dissolving dechlorination, extraction |
| 06/07/1988 | US4749518 Extraction of cesium and strontium from nuclear waste |
| 06/07/1988 | US4748908 Waste containers having compressed waste hold-down mechanisms |
| 06/01/1988 | EP0268807A2 Nuclear fuel assembly bottom nozzle attachment system allowing reconstitution |
| 06/01/1988 | DE3640111A1 Apparatus for mounting and dismounting a steam strainer |
| 05/31/1988 | US4747997 Rod gripper which avoids snagging grid dimples during rod loading |
| 05/31/1988 | US4747995 Velocity limiter shear for BWR control rods |
| 05/25/1988 | EP0268494A2 Gripper assembly for inserting and removing burnable absorber rods and thimble plugs in a nuclear reactor fuel assembly |