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)
02/1996
02/14/1996EP0696806A1 Installation for the positioning of nuclear fuel assemblies
02/13/1996US5491732 Nuclear reactor primary system chemical decontamination clean-up system component arrangement
02/08/1996DE4432616C1 Kernmantel, insbesondere zur Umhüllung eines Reaktorkernes in einem Siedewasserkernreaktor Core shroud, especially for coating of a reactor core in a boiling water nuclear reactor
02/08/1996DE4429012C1 Exchange of components, e.g. steam generators, inside nuclear reactor
02/07/1996EP0695456A1 Device for guiding a fuel assembly during charging
02/06/1996US5490190 Alignment pin and method for aligning a nuclear fuel assembly with respect to a core plate disposed in a nuclear reactor pressure vessel
02/06/1996US5490185 System for automatic refueling of a nuclear reactor
01/1996
01/31/1996EP0538414B1 Seed and blanket fuel arrangement for dual-phase nuclear reactors
01/30/1996US5488642 In a nuclear power generating plant
01/25/1996DE4425902A1 Introduction of zinc into nuclear reactor vessel containing water
01/17/1996EP0588817B1 Magazine for spent nuclear reactor fuel assemblies
01/12/1996CA2127752A1 Tight container and assembly of said container and an appropriate support
01/09/1996US5483562 Device for volume delimitation during work with contaminated parts
01/09/1996US5483561 Reactor core inspection probe
01/09/1996US5483033 Apparatus and method for sequentially registering tool modules for a welding operation of a tube
01/04/1996WO1996000447A1 Modification of oxide film electrical conductivity to maintain low corrosion potential in high-temperature water
01/03/1996EP0596964B1 Process and device for recombining and/or igniting hydrogen contained in a h 2-air-vapour mixture, especially for nuclear power stations
01/02/1996US5481579 Latching and lifting mechanism for a nuclear reactor fuel bundle
01/02/1996US5479699 Apparatus for expanding tubular members
12/1995
12/26/1995US5479463 For external application to a BWR fuel assembly
12/26/1995US5479460 Method for moving a control rod drive in a boiling water reactor
12/26/1995US5478474 Monomeric and polymeric phosphinimines to sequester radioactive technetium oxide (TcO4-) ions
12/19/1995US5476641 Method of separating and recovering plutonium and neptunium from plutonium- and neptunium-containing nitric acid solution
12/19/1995CA1337740C Process to separate transuranic elements from nuclear waste
12/07/1995WO1995032916A1 Cask transporter
12/07/1995DE4445168C1 Dismantling bulky items of nuclear plant
12/05/1995US5473646 Device for the recombination of hydrogen and oxygen and nuclear power plant using the device
12/05/1995US5473645 Fuel support and control rod storage rack
11/1995
11/30/1995WO1995032043A1 Strainer device for filtering water to an emergency cooling system in a nuclear power plant
11/29/1995CN1112718A Fuelling machine for fuel assemblies for the core of a nuclear reactor, having removable guide beams
11/21/1995US5468462 Geographically distributed tritium extraction plant and process for producing detritiated heavy water using combined electrolysis and catalytic exchange processes
11/14/1995US5467375 Gas injection system of nuclear power plant and gas injection method therefor
11/14/1995US5465497 Control rod drive uncoupling tool gage
11/09/1995DE4421486A1 Einbauten für einen Container zum Transport und zur Lagerung von Kernbrennstoff Fittings for a container for transport and storage of nuclear fuel
11/08/1995EP0681302A1 Machine for loading fuel assemblies of a nuclear reactor core with removable guide beams
11/02/1995WO1995029488A1 Strainer device for filtering water to an emergency cooling system in a nuclear power plant
10/1995
10/26/1995CA2126996A1 Remote controlled inputting and outputting apparatus using laser
10/25/1995EP0678877A1 Method for the conception and fabrication of storage racks for irradiated fuel produced by nuclear power plants
10/24/1995US5460791 Method for adsorbing and separating heavy metal elements by using a tannin adsorbent and method of regenerating the adsorbent
10/24/1995US5460045 Ultrasonic probes for inspection of reactor pressure vessel bottom head and weld buildup thereon
10/13/1995WO1994007247A1 Method of separating fission molybdenum
10/13/1995CA2143241A1 Method of doping or coating metal surfaces with metallic elements to improve oxide film insulating characteristics
10/13/1995CA2143233A1 Noble metal doping or coating of crack interior for strees corrosion cracking protection of metals
10/13/1995CA2118063A1 Palladium acetylacetonate solution and related method of manufacture
10/12/1995DE19512918A1 Moderating crack initiation or propagation in water-cooled nuclear reactor component
10/11/1995EP0676771A1 Nuclear fuel cycle
10/09/1995CA2145897A1 Method of mitigating stress corrosion cracking of metals in high-temperature water by control of crack tip ph
10/04/1995EP0674977A1 Maintenance system
10/04/1995EP0674976A1 Maintenance system
10/03/1995US5454914 Method of removal of heavy metal from molten salt in IFR fuel pyroprocessing
09/1995
09/28/1995WO1995026030A1 Storage rack for nuclear fuel assemblies, essentially including a single contiguous tube bundle
09/28/1995WO1995026029A1 Container including a wrought steel body with a non-circular cross-section for nuclear fuel assemblies
09/27/1995EP0673703A1 Welding device of a sleeve in a branch pipe of a circular piping having difficult access
09/21/1995WO1995025330A1 Integrated head package cable carrier for a nuclear power plant
09/20/1995EP0672290A1 Device for filtering water to an emergency cooling system in a nuclear power plant
09/13/1995EP0671486A1 Noble metal doping or coating of crack interior for stress corrosion cracking protection of metals
09/13/1995EP0671485A1 Method of reducing the corrosion potential of components
09/13/1995EP0670840A1 Bis-crown calix 4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides.
09/12/1995US5449505 Oxidation to carbon dioxide and silicate
09/06/1995EP0670575A1 Device for removing free hydrogen from a gas mixture containing hydrogen and oxygen
09/05/1995US5448605 Corrosion resistance of stainless steels in nuclear reactors
09/05/1995US5448604 Cask transport, storage, monitoring, and retrieval system
08/1995
08/31/1995WO1995023414A1 Device for guiding a fuel assembly during charging
08/30/1995EP0535025B1 Process and device for oxidation of hydrogen
08/29/1995US5446774 Spud finger gauge
08/22/1995US5443731 Process for extracting technetium from alkaline solutions
08/15/1995US5442666 Apparatus for storing control drive rod shafts during chemical decontamination of a reactor
08/09/1995EP0666574A1 Method and apparatus for repairing boiling water reactor shrouds
08/09/1995EP0666447A1 Moving carrier for intervention modules in a well, such as a dissolution pipeline
08/09/1995EP0666125A2 Apparatus and method for radially expanding a tubular member having an inner diameter
08/08/1995CA2141910A1 Apparatus and method for expanding tubular members
08/03/1995WO1995020817A1 Fuel-element storage and transport cage
08/03/1995WO1995020459A1 Method of creating a welded joint and a transport and storage container for spent nuclear fuel holders produced by the said method
08/02/1995EP0665080A1 System and method for laser welding an inner surface of a small diameter tubular member
08/02/1995CA2141524A1 System and method for laser welding an inner surface of a small diameter tubular member
08/01/1995US5437847 Method of separating and recovering ruthenium from high-level radioactive liquid waste
07/1995
07/26/1995EP0527968B1 Device for the recombination of hydrogen and oxygen and the use of said device
07/18/1995US5434895 Method and device for repairing the internal surface of an adapter passing through the head of the vessel of a nuclear reactor
07/12/1995EP0662237A1 Method of separating fission molybdenum.
07/12/1995EP0662236A1 Process for treating dissolution residues.
07/04/1995US5430226 Method for regenerating spent solvent generated from nuclear fuel cycle
06/1995
06/28/1995EP0506690B1 Transport system, in particular for transporting silicon monocrystals through the tank of a research reactor
06/21/1995CN1029014C Waterglass precipitate recovery process
06/20/1995US5426680 Method for removing control rod drive using tool to verify control rod drive uncoupling
06/20/1995US5426679 Strainer device for filtering water to an emergency cooling system in a nuclear power plant
06/20/1995US5426675 Self-aligning seal system for maintenance service in nuclear reactor pressure vessels
06/16/1995CA2137964A1 Shipping shim for nuclear reactor fuel assemblies
06/15/1995WO1995015921A1 Uranium hexafluoride purification
06/15/1995WO1995015807A1 Geographically distributed tritium extraction plant
06/13/1995US5425070 Nuclear fuel assembly insert alignment tool
06/07/1995EP0656630A1 Lower tie plate strainers having double plate with offset holes for boiling water reactors
06/06/1995US5422084 Process for dissolving plutonium dioxide by means of OH- radicals produced by the radiolysis of water usable for the treatment of dissolving fines and plutoniferous waste
06/06/1995US5421369 For plugging a fluid line
06/01/1995DE4403149A1 Retrieval grab for retrieving small parts form difficult locations
05/1995
05/31/1995EP0555272B1 Shielding cover
05/30/1995US5420899 Grapple for a fuel bundle channel
05/30/1995US5419881 Process for treating dissolution residues
05/24/1995EP0654466A1 Sulfurized hemicryptates and their use for the extraction of metals especially rhodium
05/23/1995US5418824 In situ inlet mixer cleaning system
05/23/1995US5417942 Process for trapping gaseous ruthenium on polyvinyl pyridine, more particularly usable for recovering radioactive ruthenium from irradiated nuclear fuels
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