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)
02/1999
02/02/1999US5866087 Calixarene derivatives, their preparation process and their use for extracting actinides and lanthanides
01/1999
01/27/1999EP0892977A1 Process for inserting a single irradiated nuclear reactor fuel element into a canister
01/26/1999US5864596 Minimizing the accumulation of metal-oxide deposits
01/26/1999US5864595 Actuator for facilitating performance of work in a nuclear reactor
01/26/1999US5864594 Apparatus and method for replacing internal components in a nuclear reactor
01/19/1999US5862195 Canister, transport, storage, monitoring, and retrieval system
01/13/1999EP0889748A1 Separation of isotopes by ionisation for processing of nuclear fuel materials
01/07/1999EP0743884A4 Deployment system for an upper bundle steam generator cleaning/inspection device
01/06/1999CN1041574C Nuclear reactor control room and building method
01/06/1999CN1041573C Sleeve for mounting reactor core instrument system on top of nuclear reactor
01/06/1999CN1041571C Staged depressurization system
12/1998
12/30/1998EP0886870A1 Method of removing a component from the pressure vessel of a nuclear reactor
12/30/1998EP0886869A1 Core tank for a pressure vessel of a nuclear reactor plant and process for its repair
12/30/1998CN1203429A Controlling stick, fuel supporting part holder
12/23/1998EP0885444A1 Nuclear fuel reprocessing
12/22/1998US5852271 Water exclusion device for underwater thermal processing
12/15/1998US5850424 Refueling machine with relative positioning capability
12/09/1998EP0883135A1 Storage rack for nuclear fuel assemblies and method of fabrication
12/09/1998CN1201550A Passive emergency hydrogen mitigation system for water-cooled nuclear reactors
12/08/1998US5848112 Method of transporting nuclear fuel substance
12/03/1998WO1998054731A1 Ignition system for recombining hydrogen in a gas mixture, and a containment in a nuclear installation
12/03/1998DE19722138A1 Method of inserting canister into underwater light gas-filled shaft in nuclear reactor
12/01/1998US5844245 Container comprising a forged steel body of non-circular cross-section for nuclear fuel assemblies
12/01/1998US5843314 Suction strainer with an internal core tube
11/1998
11/26/1998WO1998053460A2 Apparatus suitable for transporting and storing nuclear fuel rods and methods for using the apparatus
11/26/1998WO1998052872A1 Removal of technetium impurities from uranium hexafluoride
11/24/1998US5841825 Neutron absorbing apparatus
11/24/1998US5839874 Cask transporter with bottom lift capability
11/17/1998US5838751 Boiling water reactor
11/11/1998EP0877388A1 Sealed closure system for multi-purpose confinement container for irradiated nuclear fuel assemblies of high activity waste material
11/11/1998EP0876198A1 Method and device for removing iron from aqueous liquids
11/11/1998EP0876187A1 A device for measuring gas pressure
11/10/1998US5835549 For a boiling water reactor emergency core cooling system
11/03/1998US5830342 Redox systems
10/1998
10/27/1998US5828713 Replacement core shroud assembly for a boiling water reactor
10/22/1998WO1998046326A1 Suction device and method for filtering particles in a fluid
10/21/1998EP0871963A1 Method and device for storing hazardous waste
10/21/1998EP0752151B1 Storage rack for nuclear fuel assemblies, essentially including a single contiguous tube bundle
10/21/1998CN1196819A Device for introducing gas into primary coolant in pressurised water reactor
10/20/1998US5826163 Removal of technetium impurities from uranium hexafluoride
10/20/1998US5826161 Process for the selective separation of actinides (III) and lanthanides (III)
10/20/1998US5825837 Extraction tool for partial length fuel rods in nuclear fuel assemblies
10/15/1998DE19739361C1 Zinc introduction into nuclear reactor primary water system
10/15/1998DE19714284A1 Neutron absorber element for fuel element storage frame
10/07/1998EP0868395A2 Device for removing hydrogen from a gas mixture and its use
10/06/1998US5818893 In-situ palladium doping or coating of stainless steel surfaces
09/1998
09/30/1998EP0867029A1 Method for recovering nitrate ions as nitric acid from nuclear industry effluents
09/29/1998US5815544 Method for providing cooling liquid to a nuclear reactor
09/29/1998US5813764 Catalytic differential calorimetric gas sensor
09/24/1998DE19722165C1 Spark ignition system for hydrogen recombination
09/16/1998EP0864160A1 Containment for use at a nuclear power station
09/15/1998US5809101 Handle unit for a fuel assembly in a nuclear reactor and fuel assembly having modified channel
09/11/1998WO1998039780A1 Bwr emergency core cooling system strainer
09/11/1998CA2282400A1 Bwr emergency core cooling system strainer
09/09/1998EP0752150B1 Container including a wrought steel body with a non-circular cross-section for nuclear fuel assemblies
09/08/1998US5805653 Noble metal doping or coating of crack interior for stress corrosion cracking protection of metals
09/08/1998US5803688 Methods and apparatus for securing components in nuclear reactors
09/08/1998US5803686 Reactor core shroud repair using splice plate to bridge weld seam
09/03/1998WO1998038647A1 Dissolution of nuclear fuel rods
09/02/1998CN1192030A Drain system for nuclear power plant
09/01/1998US5802126 Underwater remote drilling tool and methods
08/1998
08/27/1998WO1998037561A1 Suction system with end supported internal core tube suction strainers
08/26/1998EP0860644A1 Device for plugging a pipe opening into a container
08/19/1998EP0858663A1 Passive emergency hydrogen mitigation system for water-cooled nuclear reactors
08/18/1998US5796799 Control apparatus for oxygen concentration of water in atomic reactor
08/13/1998WO1998035356A1 Device for recombining hydrogen in a gas mixture
08/12/1998EP0858079A1 Storage rack for nuclear fuel assemblies with neutron abosrobing members being held in position by frames
08/12/1998EP0781450B1 Reactor-core shroud, in particular a shroud for a boiling-water nuclear reactor
08/12/1998CN1039513C Suction-type conveying ball circulation device for high-temp gas-cooled reaction
08/04/1998US5790619 Drain system for a nuclear power plant
08/04/1998US5790618 Method and system for determining the impact of a mislocated nuclear fuel bundle loading
07/1998
07/30/1998WO1998033188A1 Holding device for fuel elements and method for overhauling such holding device
07/30/1998DE19756244A1 Underwater load transport device for e.g. nuclear storage pond
07/29/1998EP0724763B1 Method and device for shearing elements of a nuclear plant
07/28/1998US5787139 Fuel loading method
07/28/1998US5787137 Methods and apparatus for performing repairs and inspections in a reactor pressure vessel of a nuclear reactor
07/22/1998CN1188315A Head area cable tray bridge
07/21/1998US5784426 Bottom open sled system
07/15/1998EP0853320A2 Compacting for stocking control elements and absorbing elements of light water reactors
07/15/1998EP0852800A1 Device for introducing gas into the primary coolant in a pressurised water reactor
07/01/1998CN1186564A Process to remove rare earths from spent nuclear fuel
06/1998
06/30/1998US5774815 Dry halide method for separating the components of spent nuclear fuels
06/30/1998US5774516 Modification of oxide film electrical conductivity to maintain low corrosion potential in high-temperature water
06/30/1998US5774513 Head area cable tray bridge
06/30/1998US5773096 Method of catalyst preparation by high-temperature hydrothermal incorporation of noble metals onto surfaces and matrices
06/18/1998DE19750684A1 Clamping unit for repair or reinforcement of cracked boiling water nuclear reactor jet pump coolant circulation inlet assembly
06/18/1998DE19703226C1 Holder for fuel elements in boiling water nuclear reactor, used for repair
06/16/1998US5768330 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking
06/10/1998DE19704608C1 Convection-driven hydrogen recombination chimney within nuclear power plant containment
06/03/1998EP0756747B1 Strainer device for filtering water to an emergency cooling system in a nuclear power plant
06/02/1998US5761260 Device for uncoupling a control rod from an absorbing element for a nuclear reactor
06/02/1998US5759399 High capacity, low head loss, suction strainer for nuclear reactors
05/1998
05/22/1998WO1998006106A3 Ionic liquids as solvents
05/20/1998EP0672290B1 Device for filtering water to an emergency cooling system in a nuclear power plant
05/19/1998US5752311 Method for expanding tubular members
05/14/1998WO1998003051A3 Polymer dispersants and methods of use in a nuclear steam generator
05/13/1998CN1181836A Device for retaining ferromagnetic articles contained in a liquid circulation in a pipe nework
05/12/1998US5749384 Method and apparatus for performing preventive maintenance on the bottom portion of a reactor pressure vessel using cavitation bubbles
05/07/1998WO1998002888A3 Underwater inspection system for nuclear power facilities
05/07/1998DE19706758A1 Apparatus used to store spent fuel elements from nuclear power stations
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