| 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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| 03/27/1990 | US4910823 Cleaning mechanism for penetration interfaces in nuclear pressure vessels |
| 03/21/1990 | EP0358912A1 Catalyst consisting of a system of metallic layers for eliminating hydrogen from gaseous mixtures |
| 03/21/1990 | CN1040699A Instrumentation device for the core of a pressurized water nuclear reactor and process and device for withdrawing and for installing this instrumentation device |
| 03/20/1990 | US4909982 Nuclear power plant; containing steam generator |
| 03/20/1990 | US4909980 Electromagnetic apparatus for positioning objects located behind a conductive wall |
| 03/20/1990 | US4909115 Apparatus for loading a band saw blade |
| 03/14/1990 | EP0358431A1 Spent fuel treatment method |
| 03/14/1990 | EP0358354A1 Pulsed transporter |
| 03/13/1990 | US4908515 Method of efficiently storing spent nuclear fuel rods in a cylindrical container |
| 03/07/1990 | CN1040284A Device for shearing group of tubes |
| 02/28/1990 | EP0355349A2 Security device for preventing oxyhydrogen explosion |
| 02/28/1990 | EP0355191A1 Apparatus for placing fuel rods in a case |
| 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 |
| 02/27/1990 | US4904390 Cleaning the coolant of the primary loop of a pressurized water reactor by adding a redox substance to change the valence of antimony |
| 02/20/1990 | US4903281 System for fuel rod removal from a reactor module |
| 02/14/1990 | CN1039675A Construction pressure device for reactor fuel group elements |
| 02/13/1990 | US4900507 Nuclear fuel assembly debris filter bottom nozzle |
| 02/13/1990 | US4900506 High-temperature reactor |
| 02/13/1990 | US4900505 Spent fuel storage rack |
| 02/07/1990 | EP0353545A2 Transport and turning device for the core components of a nuclear reactor |
| 02/07/1990 | EP0353483A1 Device for checking the mobility of control elements in nuclear power stations |
| 02/07/1990 | CN1039495A Process and device for monitoring the side walls of a storage cell for a fuel assembly |
| 02/06/1990 | US4898710 Machine for removing the spacing wire of nuclear fuel rods |
| 02/06/1990 | US4897963 Connector device for two reactor containments |
| 01/31/1990 | CN1039191A Safety feature used for proventing explosion of hydroxy explosive gas |
| 01/30/1990 | CA1265098A1 Container having a latchable cover |
| 01/25/1990 | WO1990000524A1 Process to separate transuranic elements from nuclear waste |
| 01/24/1990 | EP0351710A1 Loading device for orderly, completely filling a container with rods, especially spent fuel assemblies of nuclear installations, in the hexagonally most compact array |
| 01/23/1990 | US4895644 Fluid supply and recirculation system |
| 01/18/1990 | DE3823421A1 The elimination of explosive gas mixtures from large volumes by means of catalytically active surfaces |
| 01/16/1990 | US4894849 Apparatus and method for transferring nuclear reactor fuel assemblies |
| 01/16/1990 | US4894202 Control iron concentration |
| 01/16/1990 | US4893792 Cold trap |
| 01/10/1990 | EP0349980A2 Reactor internals through-hole grapple |
| 01/09/1990 | US4893023 Radiation shielding apparatus |
| 01/09/1990 | US4893022 Closure for casks containing radioactive materials |
| 01/09/1990 | US4892653 Cold trap for the purification of liquid metals containing dissolved impurities |
| 01/03/1990 | EP0348991A2 Method for evaporation treatment of ruthenium-containing nitric acid solution |
| 01/02/1990 | US4891181 Apparatus for controlled combustion of ignitable hydrogen-air mixtures in the containment of water-cooled nuclear reactor plants |
| 01/02/1990 | US4891163 Method of processing nuclear fuel scraps |
| 12/28/1989 | WO1989012897A1 Process and device for removing flammable gaseous mixtures from a container |
| 12/28/1989 | DE3820937A1 Method and equipment for the handling and storage of nuclear reactor fuel elements |
| 12/27/1989 | EP0348250A1 Filter opening and closing device in a nuclear installation and method for filter cartridge assembly replacement |
| 12/27/1989 | CN1038369A Device for opening and closing a filter in a nucle-plant and process for replacing the filter packing |
| 12/26/1989 | US4889681 Apparatus for reducing floor and seismic loadings in underwater storage areas used in the storing of spent nuclear fuel rods |
| 12/26/1989 | US4889680 Method for compacting spent nuclear reactor fuel rods |
| 12/21/1989 | DE3819431A1 Device for the monitoring of fuel elements |
| 12/20/1989 | EP0347315A1 Process for separating uranium and plutonium present in an aqueous medium resulting from the reprocessing of irradiated nuclear fuels, by means of crown-ethers |
| 12/20/1989 | EP0347312A1 Device for cutting a bundle of rods |
| 12/20/1989 | CN1038185A Cellule of reception and of dismantlement of nuclear fuel assembly |
| 12/13/1989 | EP0346233A1 Process for compacting the skeleton of a nuclear fuel assembly |
| 12/13/1989 | CN1037989A Rod arranging system for nuclear fuel rods vertically consolidation |
| 12/12/1989 | US4886635 Gripping tool for a device for the remote-controlled removal of samples from a container, in particular from a pressure vessel of a reactor |
| 12/12/1989 | US4885961 Replacement of split-pin assemblies in nuclear reactor |
| 12/07/1989 | DE3917546A1 Device for purifying reactor coolant and method for controlling the device |
| 12/07/1989 | DE3823888C1 Equipment for working on components in inaccessible places in a nuclear reactor pressure container |
| 12/06/1989 | EP0345110A1 Device for controlling the side walls of a fuel assembly storage cell |
| 12/05/1989 | USH715 Aluminum reacts with aqueous solution of nitric acid, mercury nitrate, then quenching; nuclear fuel elements |
| 12/05/1989 | US4885124 Removal of obstructions in thimbles of nuclear power reactors |
| 12/05/1989 | US4885123 Apparatus for handling constituent elements of reactor core |
| 11/30/1989 | WO1989011721A1 Device for controlled combustion of an ignitable hydrogen/air mixture in a nuclear power plant |
| 11/29/1989 | EP0344051A1 Nuclear fuel assembly receiving and dismantling cell |
| 11/29/1989 | EP0343802A1 Rotary centrifugal contactor |
| 11/23/1989 | EP0342799A2 A method of solvent extraction and apparatus therefor |
| 11/23/1989 | EP0342602A1 Device for the controlled combustion of ignitable hydrogen-air mixtures in a nuclear installation |
| 11/22/1989 | CN1037425A Process for separating by means of crown ethers uranium and plutonium present in aqueous medium resulting from reprocessing of irradiated nuclear fuels |
| 11/21/1989 | US4881958 Adsorption device for gas separation |
| 11/21/1989 | US4881574 Enclosed rotary disc air pulser |
| 11/16/1989 | WO1989010981A1 Apparatus and method for dissolving hazardous waste materials by catalyzed electrochemical dissolution |
| 11/14/1989 | US4880506 Electrolytic cells, nuclear fuels |
| 11/08/1989 | EP0341140A1 Apparatus for monitoring the degree of dissolution of a nuclear residue in a solvent |
| 11/08/1989 | EP0340667A2 Method and code reader for reading the identification code of a nuclear fuel assembly |
| 11/08/1989 | EP0340488A2 Packing device for joining a transport and/or storage container to a radioactively-contaminated work space |
| 11/02/1989 | EP0340106A1 Method of regenerating a cold trap situated in a liquid metal circuit |
| 11/02/1989 | DE3813476A1 Core construction for a nuclear reactor having a horizontal core carrying plate |
| 11/02/1989 | DE3813017A1 Vorrichtung zur elektrochemischen behandlung von radioaktiven brennstoffloesungen Apparatus for electrochemical treatment of radioactive fuel loesungen |
| 10/25/1989 | EP0338712A1 A flask assembly for contaminated objects |
| 10/25/1989 | EP0338678A1 Exhaust gas recombiner |
| 10/25/1989 | CN1036657A Pusher for processing irradiated fuel elements |
| 10/18/1989 | EP0337808A1 Rod arraying system |
| 10/11/1989 | EP0336190A1 Envelope for housing a bundle of fuel rods containing nuclear fuel |
| 10/03/1989 | US4871478 Method of improving the criticality safety in a liquid-liquid extraction process for spent nuclear fuel or breeder reactor materials |
| 09/28/1989 | DE3829017A1 Verfahren und vorrichtung zur entsorgung von radioaktivem gut Method and device for disposal of radioactive good |
| 09/27/1989 | CN1035779A Filter with boiler-shaped filtering elements |
| 09/26/1989 | US4869713 Centrifugal machine with retractable supply spout |
| 09/26/1989 | CA1260821A1 Means and an arrangement for separating fuel rods in a fuel element |
| 09/21/1989 | WO1989008491A1 Method and apparatus for cleaning gases |
| 09/21/1989 | DE3808343A1 Filter insert for a tank filter housing |
| 09/21/1989 | DE3807775A1 Container for the storage of a flowable radioactive material |
| 09/19/1989 | US4867940 Electromagnetic method for positioning objects located behind a conductive wall |
| 09/19/1989 | CA1259714A1 Core assembly storage structure |
| 09/19/1989 | CA1259713A1 Spent fuel rod horizontal consolidation system and method |
| 09/07/1989 | DE3906176A1 Fernbedienbare vorrichtung zur verbindung zweier drehwellen einer zentrifuge Remote-controlled device for connection of two rotating shafts of a centrifuge |
| 09/06/1989 | CN1035384A Debris resistant fuel assembly |
| 09/05/1989 | US4863674 Having operating element charging and removal |
| 08/29/1989 | US4862007 Thermal protection shell for radioactive waste containers |
| 08/29/1989 | US4861205 Tie-down assembly for securing a cask containing radioactive waste to a vehicle |
| 08/29/1989 | CA1258926A1 Fuel grapple for defuelling fuel channel |
| 08/23/1989 | EP0329581A1 Nuclear fuel element rack |
| 08/22/1989 | US4859409 Reactor vessel lower internals temporary support |