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Class Information
Number: 976/DIG.183
Name: Nuclear technology > Pressure vessels; containment vessels [g21c-13/00] *** (chemical or physical processes b01j-3/00; pressure vessels in general f16j-12/00) > Vessels characterized by the material; selection of materials for pressure vessels [g21c-13/08] > Concrete vessels [g21c-13/08d]

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.184 Made of prestressed-concrete [g21c-13/08d2] 9

Patents under this class:

Patent Number Title Of Patent Date Issued
4788031 Concrete reactor pressure vessel for a gas cooled nuclear reactor of low capacity Nov. 29, 1988
4764336 Basin, in particular a de-activation pool of a nuclear station Aug. 16, 1988
4752439 Safety enclosure cooling system for gas cooled high temperature reactors Jun. 21, 1988
4661313 Metal liner for the lining of the cylindrical cavity of a reinforced concrete pressure vessel Apr. 28, 1987
4657732 High temperature reactor with spherical fuel elements Apr. 14, 1987
4643872 Process for the construction of a nuclear reactor with a reinforced concrete pressure vessel Feb. 17, 1987
4534140 Annular slab for closing the vessel of a fast neutron nuclear reactor Aug. 13, 1985
4477409 Reinforced concrete pressure vessels for nuclear reactor installations Oct. 16, 1984
4458458 Lined tank and method for fabricating the same Jul. 10, 1984
4279701 Shield wall for surrounding reactor containment vessel for nuclear reactor and method for constructing the same Jul. 21, 1981
4259154 Nuclear reactor containment structure Mar. 31, 1981
4178729 Wall structure for a nuclear reactor containment housing Dec. 18, 1979
4091583 Wall of pressurized reinforced concrete tank May. 30, 1978
4045289 Nuclear reactor containment structure with continuous ring tunnel at grade Aug. 30, 1977
4035974 Pressure tank for nuclear reactors with concrete enclosure Jul. 19, 1977
3991899 Cylindrical pressure chamber for nuclear reactor or the like Nov. 16, 1976
3979866 Nuclear reactors Sep. 14, 1976

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