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)
01/1997
01/03/1997WO1997000521A1 Storage holder and storage rack for compact storage of fuel elements and control rods, and a method of storing fuel elements and control rods from a nuclear power plant
01/02/1997EP0750783A1 Integrated head package cable carrier for a nuclear power plant
01/01/1997CN1033727C Device for positioning tool in enclosure limited by wall traversed by opening
12/1996
12/31/1996US5589140 Continuous denitration apparatus
12/31/1996US5589071 Anion-exchange membrane extractor for boric acid separation
12/19/1996DE19521214A1 Lagerkorb sowie Lagergestell zur kompakten Lagerung von Brennelementen und Steuerstäben sowie Verfahren zur Lagerung von Brennelementen und Steuerstäben einer Kernkraftanlage Storage basket and storage rack for compact storage of fuel and control rods and processes for the storage of fuel and control rods of a nuclear power plant
12/17/1996US5586158 Apparatus for automatically replacing nuclear fuel assemblies
12/17/1996US5586154 Self-aligning seal system for maintenance service in nuclear reactor pressure vessels
12/17/1996US5585043 Nitric acid solution of neptunium and plutonium is oxidized by irradiation with ultraviolet light
12/12/1996WO1996039702A2 Methods and agents for the extraction of cesium and strontium from nuclear waste
12/10/1996US5583899 Removable retrofit shroud for a boiling water nuclear reactor and associated method
12/10/1996US5582706 Electroseparation of actinide and rare earth metals
11/1996
11/28/1996WO1996037896A1 Absorption structure for absorbing neutrons and process for producing it
11/27/1996EP0743884A1 Deployment system for an upper bundle steam generator cleaning/inspection device
11/21/1996WO1996036972A1 Process for producing shielding components to absorb the neutrons generated in the nuclear reaction of radioactive materials
11/21/1996WO1996036971A1 Process to remove rare earths from spent nuclear fuel
11/21/1996DE19536450C1 Control for nuclear reactor coolant suppressing radiolytic hydrogen@ generation
11/21/1996DE19517415A1 Low cost neutron shield mfd. from electroplated steel sheet
11/20/1996EP0743652A1 Method and installation for handling nuclear fuel assemblies within a reactor core
11/19/1996US5577082 Repaired shroud assembly for a boiling water reactor
11/13/1996EP0741904A1 Fuel-element storage and transport rack
11/13/1996EP0741628A1 Method of creating a welded joint and a transport and storage container for spent nuclear fuel holders produced by the said method
11/13/1996EP0491885B1 Magazine for fuel assemblies with spent nuclear fuel
11/13/1996CN1135645A Method for drawing-off waste-gas from condensor of boiling-water reactor and apparatus thereof
11/12/1996US5574960 Method of separating exothermic elements from high-level radioactive liquid waste
11/12/1996US5574759 Method for dismantling bulky parts of pressure-vessel fittings of a nuclear plant and for receiving the dismantled parts
11/06/1996CN1033251C Main bolt mount and dismounting device for pressure vessel of reactor
10/1996
10/29/1996US5570399 Control rod and supporting metal gripping apparatus and method of withdrawing same
10/24/1996WO1996033132A1 Extraction of cesium and strontium ions from nuclear waste
10/23/1996CN1033115C Apparatus for servicing elongated suspended pump motor in electric power plant
10/17/1996WO1996032729A1 Method of processing oxide nuclear fuel
10/16/1996EP0737095A1 Geographically distributed tritium extraction plant
10/09/1996EP0736878A1 Crack growth mitigation method
10/09/1996CN1132915A Removable shroud and pump deck for boiling water nuclear reactor
10/02/1996EP0735543A1 Method of repairing a nuclear fuel rod assembly with a damaged fuel rod and a damaged spacer
09/1996
09/26/1996WO1996029707A1 Storage rack for nuclear-fuel elements
09/25/1996EP0733023A1 Uranium hexafluoride purification
09/15/1996CA2144613A1 Tool for remotely removing and inserting a spring clip
09/11/1996EP0731191A1 Method of mitigating corrosion
09/04/1996EP0729636A1 Storage tank for a radioactive fissile material solution
08/1996
08/29/1996WO1996026524A1 Device for retaining ferromagnetic articles contained in a liquid circulating in a pipe network
08/28/1996CN1129840A Manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant
08/27/1996US5550758 Remote maintenance system
08/14/1996EP0726329A1 A method for separating technetium and apparatus therefor
08/13/1996US5546435 Fission product leak detection in a pressurized-water reactor
08/08/1996WO1996023800A1 Calixarene derivatives, preparation method therefor and use thereof for removing actinides and lanthanides
08/07/1996EP0725406A1 Method and apparatus for recombining hydrogen and oxygen gases from the main condenser in a boiling water nuclear reactor
08/07/1996EP0725222A2 Spring latching mechanism
08/07/1996EP0724763A1 Method and device for shearing elements of a nuclear plant
08/06/1996US5544209 Process for repairing and protecting from cracking the inner wall of a tube for penetrating the bottom head of a pressurized-water nuclear reactor vessel
07/1996
07/25/1996WO1996022605A1 Nuclear power plant and method for operating the same
07/24/1996EP0723271A1 Fuel rods and end plugs
07/23/1996US5539790 Strainer device for filtering water to an emergency cooling system in a nuclear power plant
07/18/1996WO1996021932A1 Method and device for storing hazardous waste
07/18/1996DE19600754A1 Removable exchange core mantle for boiling water reactor
07/18/1996CA2209898A1 Method and device for storing hazardous waste
07/04/1996DE19509214C1 Intermediate storage assembly for spent nuclear fuel elements
06/1996
06/26/1996EP0718851A1 Alignment pin and method for aligning a nuclear fuel assembly with respect to a core plate disposed in a nuclear reactor pressure vessel
06/19/1996EP0717417A2 Process for cutting bulk parts of internal components of a pressure vessel in a nuclear plant
06/18/1996CA2040538C Waste treatment process for alkaline waste liquid
06/13/1996WO1996017695A1 Deployment system for an upper bundle steam generator cleaning/inspection device
06/12/1996EP0716423A1 Shroud for a nuclear reactor
06/12/1996EP0715762A1 Modification of oxide film electrical conductivity to maintain low corrosion potential in high-temperature water
06/11/1996US5526384 Fueling machine for fuel assemblies for the core of a nuclear reactor, having removable guide beams
06/06/1996WO1996017356A1 Coolant pipe blocking device for use in a nuclear power plant
06/04/1996US5524030 Multistage control rod drive uncoupling tool
06/04/1996US5523519 System for facilitating safe transfer of hazardous material
06/04/1996US5523515 Method of separating and purifying spent solvent generated in nuclear fuel cycle
06/04/1996US5523514 Process for dissolving plutonium and/or other radioactive elements present in solid or liquid products
05/1996
05/29/1996CN1123581A Device for guiding a fuel assembly during charging
05/28/1996US5521951 Reactor core shroud repair with tapered pins
05/28/1996US5521950 Tool for unlatching control rod without removing fuel support
05/28/1996CA2025851C Purifier for nuclear reactor cooling water and method of purification
05/23/1996DE19542330A1 Detector for testing individual PWR fuel elements for leakage
05/21/1996US5519744 Removable shroud and pump deck for a boiling water nuclear reactor
05/21/1996US5519741 System for inspection and mending in a reactor vessel of a nuclear reactor
05/14/1996US5517539 Method of decontaminating a PWR primary loop
05/14/1996US5517536 Magnetic coupling device for control rod drive
05/14/1996US5516401 Nuclear reactors
05/08/1996EP0710394A1 System for automatic refueling of a nuclear reactor
05/07/1996US5515406 Internal passive catalytic ammonia converter for reduction of main steam dose rate associated with hydrogen water chemistry
04/1996
04/30/1996US5513229 Method for removing control rod drive using tool to verify control rod drive uncoupling
04/23/1996US5510091 Method of separating transplutonium elements from lanthanides in acidic solutions by solvent extraction
04/18/1996WO1996011477A1 The treatment of liquids
04/18/1996CA2147430A1 Plutonium and nuclear toxic waste storage depot and method
04/17/1996EP0707319A1 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking
04/16/1996US5508010 Method of separating fission molybdenum
04/14/1996CA2159371A1 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking
04/11/1996DE19534960A1 Vorrichtung zum Absaugen am Boden einer Wanne einer Nucleareinrichtung Device for capture at the bottom of a trough of a nuclear facility
04/02/1996US5504788 Support plate inspection device
04/02/1996US5503812 Reprocessing spent nuclear fuels to recover palladium by extracting with dialkyl sulfide, stripping with ammonia or borohydride to precipitate metal
03/1996
03/28/1996DE4433699A1 Insert to seal and line pond, esp. nuclear cooling pond
03/28/1996DE19532478A1 Boiling water reactor operation in power station without contamination
03/27/1996EP0703449A1 Catalytic calorimetric gas sensor
03/21/1996WO1996008827A1 Reactor-core shroud, in particular a shroud for a boiling-water reactor
03/12/1996US5499279 Apparatus for removing free hydrogen from a gas mixture containing hydrogen and oxygen
03/12/1996US5499276 Method for minor actinide nuclides incineration
02/1996
02/22/1996WO1996005599A1 Method and apparatus for reducing volume of radioactive metal waste containing zirconium alloy
02/20/1996US5492686 Process and device for recombining and/or igniting hydrogen contained in an H2 -air-steam mixture, preferably for nuclear power stations
02/20/1996US5492462 Oxidation of metallic uranium, followed by fluorination, sublimation, homogenation
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