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)
01/1978
01/17/1978US4069098 Ex-vessel nuclear fuel transfer system
01/17/1978US4068692 Fuel element loading system
12/1977
12/20/1977US4064004 Assembly mechanism for nuclear fuel bundles
12/20/1977US4064000 Nuclear reactor core servicing apparatus
12/20/1977US4063999 Nuclear fuel storage arrangement
12/13/1977US4062723 Core access system for nuclear reactor
11/1977
11/22/1977US4059671 Or breeder materials
11/15/1977US4058224 Traversing and vertically swinging strongback
11/01/1977US4056435 Loading and unloading of a nuclear reactor core
11/01/1977US4056052 Method for shearing spent nuclear fuel assemblies
10/1977
10/25/1977US4055508 Cask handling method and apparatus
10/11/1977US4053356 Centering device for nuclear fuel handling apparatus
10/11/1977US4053067 Fuel transfer system for a nuclear reactor
09/1977
09/13/1977US4048011 Fast nuclear reactor
08/1977
08/30/1977US4045287 Fuel assembly with easily detachable components
08/30/1977US4045283 Control rod and/or instrument tree assembly
08/30/1977US4045191 Radioactive krypton gas separation
08/30/1977US4044898 Reactor fuel assembly lock transport
08/23/1977US4044267 Fissionable mass storage device
08/23/1977US4043864 Nuclear power plant having a pressurized-water reactor
08/16/1977US4042828 Rack for nuclear fuel elements
08/16/1977US4042455 Process for dissolving radioactive corrosion products from internal surfaces of a nuclear reactor
08/09/1977US4040902 Method for axially shuffling fuel elements in a nuclear reactor
08/02/1977US4039842 Fuel storage rack
08/02/1977US4039468 Phosphoric acid ester solvent
07/1977
07/26/1977US4038060 Cryogenic still surrounded by adsorbent
07/19/1977US4036692 Nuclear fuel element nut retainer cup
07/19/1977US4036687 Nuclear reactors
07/05/1977US4034227 Nuclear fuel storage rack
07/05/1977US4033815 Nuclear reactors
06/1977
06/28/1977US4032240 Telescopic device
06/21/1977US4030973 Gripping device, especially for use in manipulating control bars in a nuclear reactor
06/14/1977US4029968 Stacked racks for storing spent nuclear fuel elements
05/1977
05/24/1977US4025602 Oxalate precipitation, ion exchanging
05/17/1977US4024406 Spent fuel storage improvement
05/17/1977US4024068 Process for separating ceramics of uranium and plutonium from zirconium by hydriding and mixtures thereof
05/17/1977US4024018 Liquid metal cooled fast breeder nuclear reactors
05/10/1977US4022865 Process for working up block shaped graphite fuel elements
05/10/1977US4022708 Method of preparation for storage of liquids used in the reprocessing of spent nuclear fissile and/or fertile materials
05/10/1977US4022663 Spherical fuel elements made of graphite for high temperature reactors
05/03/1977US4021313 Method for purifying actinides which are in low oxidation states
05/03/1977US4021297 Reactor pressure vessel, steel containment enclosure
04/1977
04/26/1977US4019871 For nuclear power plants
04/19/1977US4018697 Fuel cycle management
04/19/1977US4018346 Mounting arrangement for anchor fingers on a surface traversing apparatus
04/12/1977US4017306 Process for continuous production of pure sodium
03/1977
03/08/1977US4011296 Irradiated fuel reprocessing
03/01/1977US4010375 Storage rack for nuclear fuel assemblies
03/01/1977US4010068 Continuous, reversible processing
02/1977
02/15/1977US4008050 Apparatus for combining oxygen and hydrogen
02/08/1977US4007085 Nuclear reactor fuel elements
02/08/1977US4006930 Manipulator for hollow objects
02/01/1977US4006362 Shroud for storing radioactive spent nuclear fuel cells
01/1977
01/25/1977US4005178 Method for converting UF5 to UF4 in a molten fluoride salt
01/25/1977US4004971 Graphite filter
01/18/1977US4004154 Fissionable mass storage device
01/11/1977US4002529 Nuclear fuel handling apparatus
12/1976
12/28/1976US4000391 Nuclear reactor fuel element splitter
12/14/1976US3997393 Device for protecting the containment vessel dome of a nuclear reactor
11/1976
11/30/1976US3994775 Control rod system useable for fuel handling in a gas-cooled nuclear reactor
11/23/1976US3993542 Process and apparatus for extraction of gases produced during operation of a fused-salt nuclear reactor
11/23/1976US3993541 Removal of tritium from gas-cooled nuclear reactors
11/23/1976US3993540 Helium cooled nuclear reactors
11/16/1976US3992259 Fuel assembly for a nuclear reactor
11/09/1976US3991154 Or breeder material containing thorium dissolved in an acid solution
11/09/1976US3990942 Removable auxiliary lid for handling the fuel elements of a nuclear reactor core
11/09/1976US3990591 Multiple function nuclear handling apparatus
11/02/1976US3989100 Industrial technique
10/1976
10/19/1976US3987145 Ferric ion as a scavenging agent in a solvent extraction process
10/05/1976US3984519 Process to transport carbon from a zone to another one, by means of a carrier fluid acting inside a closed system, particularly for the reprocessing of nuclear fuel elements having a graphite structure
10/05/1976US3984345 Eutectic salts
10/05/1976US3984084 Assembly apparatus for nuclear reactors
09/1976
09/28/1976US3982928 Separation of uranium from (Th,U)O2 solid solutions
09/21/1976US3981961 Method of selective stripping of plutonium from organic solvents loaded with plutonium
09/21/1976US3981960 Nitric acid vapors
09/14/1976US3980757 Process for uranium separation and preparation of UO4.2NH3.2HF
09/14/1976US3980750 Method of selective stripping of plutonium from an organic solvent containing plutonium and in some cases uranium by reduction of said plutonium
09/07/1976US3978957 Hollow guiding mast for a charging device of a core reactor
08/1976
08/31/1976US3977939 Refueling
08/24/1976US3976775 Method for dissolving plutonium dioxide
08/24/1976US3976541 Nuclear reactor
08/17/1976US3975170 Hydrogen concentration control utilizing a hydrogen permeable membrane
08/03/1976US3972772 Filter
07/1976
07/27/1976US3971482 Anti-leak closure valve
07/06/1976US3967741 Device for moving fuel elements and control bars from one place to another place in a core reactor
06/1976
06/29/1976US3967090 Process for consumable-electrode type arc cutting and apparatus therefor
06/29/1976US3966804 Anion exchanging
06/22/1976US3965237 Dissolution process for ZrO2 -UO2 -CaO fuels
06/22/1976US3964965 Pressurized-water reactor coolant gas disposal system
06/15/1976US3963564 Method for preventing tritium contamination of secondary salt and steam in a molten salt reactor
06/08/1976US3962401 Method of recovering neptunium from spent nuclear fuel
06/08/1976US3962078 Method and apparatus for treating liquid contaminated with radioactive particulate solids
06/08/1976US3962032 Fast nuclear reactor
06/01/1976US3961189 Device for monitoring activity of gases
06/01/1976US3960656 Nuclear
05/1976
05/25/1976US3959435 Tributyl phosphate, backwashing with sulfuric acid, conditioning with nitric acid
05/25/1976US3959071 Method and apparatus for a nuclear reactor for increasing reliability to scram control elements
05/25/1976US3958699 Charging machine
05/18/1976US3957615 Apparatus for conducting electrolytic reactions
05/11/1976US3956062 Apparatusatomic energy
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