| 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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| 06/14/1994 | US5320467 Positive thread start fastener |
| 06/09/1994 | WO1994012502A1 Bis-crown calix[4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides |
| 06/07/1994 | US5319686 Dry transfer of spent nuclear rods for transporation |
| 06/01/1994 | EP0599727A1 Process and device for treating active elements in view of their elimination |
| 06/01/1994 | EP0599619A1 Inhibition of radioactive cobalt deposition in water cooled nuclear reactors with zinc depleted in Zn-64 |
| 06/01/1994 | EP0599618A1 Internal passive water recombiner/hydrogen peroxide decomposer for a boiling water reactor |
| 06/01/1994 | EP0599617A1 Internal passive hydrogen peroxide decomposer for a boiling water reactor |
| 06/01/1994 | EP0599509A1 Uranium carbonate extraction process |
| 05/31/1994 | US5317608 Method for thermally treating discharged nuclear fuel |
| 05/26/1994 | WO1994011883A1 Storage tank for a radioactive fissile material solution |
| 05/25/1994 | EP0598634A1 Method and device for repairing an internal surface of an adaptor crossing the cover of a nuclear reactor vessel |
| 05/24/1994 | US5315626 Continuously feeding hydrazine hydrate into cooling medium which also contains potassium and/or lithium hydroxides; controlling efficiency by controlling boric acid concentration |
| 05/18/1994 | CN1024605C Fuel element removing device for balloon fuel nuclear reactor |
| 05/17/1994 | US5313505 Rod handling apparatus |
| 05/17/1994 | CA1329484C Method of improving the criticality safety in a liquid-liquid extraction process for spent nuclear fuel or breeder reactor materials |
| 05/10/1994 | US5311563 Storage frame for nuclear reactor fuel assemblies |
| 05/10/1994 | US5309626 Reactor vessel head O-ring installation tool |
| 05/04/1994 | EP0595646A1 Tool and method for supporting one or more 0-ring(s) adjacent to one or more circular grooves in a nuclear reactor head flange |
| 05/03/1994 | US5309490 Remote stud cleaner |
| 04/27/1994 | EP0594381A1 Control blade servicing assembly |
| 04/27/1994 | CN1086038A Locating hot and cold-legs in a nuclear powered steam generation system |
| 04/26/1994 | US5307391 Method for treatment of primary coolant medium of a pressurized water nuclear reactor |
| 04/26/1994 | US5307388 Containment structures |
| 04/26/1994 | US5307387 Fuel loading method and reactor core |
| 04/26/1994 | US5307386 Apparatus and method for servicing an elongated suspended pump motor in an electric power plant with limited access |
| 04/19/1994 | US5305361 Method of and apparatus for water-jet peening |
| 04/19/1994 | US5305360 Process for decontaminating a nuclear reactor coolant system |
| 04/19/1994 | US5305358 Control rod drive handling equipment |
| 04/19/1994 | US5305357 Sheath and mandrel made up of zircaloy-alloy; emits less radiation |
| 04/13/1994 | EP0437452B1 Withdrawal of fuel elements in pebble-bed nuclear reactors |
| 04/13/1994 | EP0360797B1 Store |
| 04/13/1994 | CN1024231C Inferior connector of combustible assembly of nuclear reactor importing filter of retardation of particles |
| 04/12/1994 | US5302800 Process and device for controlling the operation of an optical channel, for a laser-beam carried by a welding tool |
| 04/06/1994 | EP0590411A2 Continuous denitration apparatus |
| 04/05/1994 | US5301217 Device for the recombination of hydrogen and oxygen and nuclear power plant using the device |
| 04/05/1994 | US5301213 Method of field replacement of an electrical connector for nuclear reactor instrumentation |
| 04/05/1994 | US5301212 Apparatus for dismantling an irradiated component of a nuclear reactor by the cutting of its wall |
| 04/05/1994 | US5301211 Fuel assembly sputtering process |
| 04/05/1994 | US5300677 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
| 03/31/1994 | WO1994007246A1 Process for treating dissolution residues |
| 03/30/1994 | EP0588817A1 Magazine for fuel assemblies with spent nuclear fuel. |
| 03/23/1994 | CN1084310A Main bolt mounting and dismounting equipment for pressure vessel of reactor |
| 03/22/1994 | US5297176 Remotely replaceable fuel assembly alignment pin |
| 03/22/1994 | US5296629 Recovering heavy metal from waste liquid by contacting with insoluble hydrolyzable tannin to adsorb metal on tannin, separating tannin, extracting metal with dilute mineral acid |
| 03/16/1994 | EP0587460A1 Support basket for locating elements of a worked barrier and grab for handling the basket |
| 03/16/1994 | CN1083964A Method and device for extracting a locking sleeve from a demountable guide tube of a nuclear reactor fuel assembly |
| 03/15/1994 | US5295167 For servicing a nuclear reactor |
| 03/15/1994 | US5293682 Apparatus for dismantling potentially contaminated tubes from a tube bundle |
| 03/09/1994 | EP0585968A1 Nuclear fuel assembly |
| 03/08/1994 | US5293412 Apparatus for dismantling an irradiated component of a nuclear reactor by the cutting of its wall |
| 03/02/1994 | EP0585031A1 Control rod servicing apparatus |
| 03/02/1994 | CN1083255A Suction-type conveying ball circulation device for high-temp gas-cooled reaction |
| 03/01/1994 | US5291532 Fuel transfer system |
| 03/01/1994 | US5291531 Auxiliary platform for boiling water reactors |
| 02/19/1994 | WO1992008233A1 Shielding cover |
| 02/19/1994 | CA2095241A1 Shielding cover |
| 02/16/1994 | CN1023848C Instrumentation device for the core of a pressured water nuclear reactor and process and device for withdrawing and for installing this instrumentation device |
| 02/16/1994 | CN1023845C Method and apparatus of taking out lock shell tube from disassemble guide tube of reactor fuel elements |
| 02/15/1994 | US5287392 Internal passive water recombiner/hydrogen peroxide decomposer for a boiling water reactor |
| 02/15/1994 | US5287391 Metering system |
| 02/08/1994 | US5285486 Internal passive hydrogen peroxide decomposer for a boiling water reactor |
| 02/08/1994 | US5284374 Apparatus for remotely handling components |
| 02/08/1994 | CA1326839C Electrorefining process and apparatus for recovery of uranium and a mixture of uranium and plutonium from spent fuels |
| 02/02/1994 | CN1081530A Process for dissolving plutonium and/or other radioactive elements present in solid or liquid products and microwave heating apparatus for performing this process |
| 02/01/1994 | US5283809 Steam separator latch assembly |
| 01/26/1994 | EP0580489A1 Method for titrating iodine at low concentration in a nitrate solution, in particular a uranyl nitrate solution |
| 01/20/1994 | WO1994001870A1 Process and device for the thermal recombination of a gas in a gas mixture |
| 01/18/1994 | US5280508 Partial length rod upper end plug and grapples therefor |
| 01/12/1994 | EP0578579A1 Process for dispensing tributyle and/or butanole by liquid-phase chromatography |
| 01/12/1994 | CN1080777A Nuclear reactor control room construction |
| 01/12/1994 | CN1080775A Low activated incore instrument |
| 01/12/1994 | CN1080773A Staged depressurization system |
| 01/12/1994 | CN1080771A Combined cooling and purification system for nuclear reactor spent fuel pit, refueling cavity and refueling water storage tank |
| 01/12/1994 | CN1080766A Integrated head package for top mounted nuclear in strumentation |
| 01/12/1994 | CN1080614A Apparatus for servicing an elongated suspended pump motor in an electric power plant with limited access |
| 01/11/1994 | US5278879 Grid crusher apparatus and method |
| 01/11/1994 | US5278379 Continuous denitration apparatus which uses microwave heating |
| 01/11/1994 | US5276965 Method for dismantling potentially contaminated tubes from a tube bundle |
| 01/05/1994 | DE4221693A1 Verfahren und Vorrichtung zur thermischen Rekombination eines Gases eines Gasgemisches Method and apparatus for the thermal recombination of a gas of a gas mixture |
| 01/04/1994 | US5276332 Apparatus for measuring the α activity of a solution |
| 12/29/1993 | EP0576127A1 Staged depressurization system |
| 12/29/1993 | EP0576118A1 Nuclear reactor control room construction |
| 12/29/1993 | EP0575690A2 Apparatus for annealing walls of nuclear reactors |
| 12/29/1993 | EP0575638A1 Storage frame for shockproof storage of elongate elements, especially nuclear fuel containing fuel rods and/or nuclear fuel assemblies |
| 12/29/1993 | EP0575420A1 Process for processing absorber rods from water-cooled nuclear reactors |
| 12/29/1993 | CN1023356C Apparatus and method for drawing blocking sleeve of guide tube of fuel assembly of nuclear reactor |
| 12/29/1993 | CN1023354C Construction pressure device for reactor fuel group elements |
| 12/28/1993 | US5274682 Method and apparatus for storing nuclear fuel rods |
| 12/28/1993 | US5274169 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
| 12/22/1993 | CN2150613Y Remote transfering apparatus for reactor starting neutron source bar |
| 12/22/1993 | CN1023268C Device for shearing group of tubes |
| 12/21/1993 | US5272743 Key member for use in insertion or removal of a fuel rod of a nuclear fuel assembly grid |
| 12/21/1993 | US5272734 Method of repairing a boiling-water nuclear reactor |
| 12/15/1993 | EP0574193A1 Core-control assembly with a fixed fuel support |
| 12/15/1993 | CA2077930A1 Installation for carrying out several successive chemical reactions in the same container |
| 12/15/1993 | CA2065615A1 Prestabilized chromium protective film to reduce radiation buildup |
| 12/14/1993 | US5271051 Combined cooling and purification system for nuclear reactor spent fuel pit, refueling cavity, and refueling water storage tank |
| 12/14/1993 | US5269472 Waste processing system |
| 12/01/1993 | CN1078923A Process for the separation of certain elements from aqueous solutions resulting from the reprocessing of spent nuclear fuels |
| 11/30/1993 | US5267280 Process for the conditioning or recycling of used ion cartridges |