| Patents for G21C 9 - Emergency protection arrangements structurally associated with the reactor (2,227) |
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| 01/22/1985 | US4495147 Heat-retarding closure system for pressure relief openings of partitions, in nuclear reactor buildings |
| 01/22/1985 | US4495142 Monitoring system for monitoring state of nuclear reactor core |
| 01/22/1985 | US4495140 Permanent deactivation of nuclear reactor |
| 01/22/1985 | US4495137 Nuclear reactor |
| 01/08/1985 | CA1180589A1 Method of avoiding or inhibiting intermixing of the atmosphere which exists in an enclosed space with a gaseous substance in the same space |
| 12/27/1984 | CA1180133A Nuclear reactor power supply |
| 10/31/1984 | EP0123599A1 Dismountable fastening device for an internal structure in an envelope such as a conduit or a recipient |
| 10/17/1984 | EP0121789A1 Emergency core cooling system |
| 09/11/1984 | US4470947 Double-clad nuclear fuel safety rod |
| 08/28/1984 | CA1173570A1 Nuclear reactor plant |
| 08/07/1984 | US4464333 Molten core retention and solidification apparatus |
| 08/01/1984 | EP0114519A2 Controlling leakage between primary and secondary coolant circuits of a pressurised water reactor system |
| 07/18/1984 | EP0113670A2 Method of detecting breakage in nuclear reactor |
| 06/05/1984 | US4452754 Shutdown system for a nuclear reactor |
| 05/01/1984 | US4446081 Steam condensing apparatus |
| 04/18/1984 | EP0105800A1 Protection structure for the floor of a concrete enclosure |
| 04/10/1984 | US4442065 A passive containment system |
| 04/03/1984 | US4440719 Supplying water to a nuclear reactor |
| 03/14/1984 | EP0102631A1 Nuclear reactor |
| 02/28/1984 | US4434132 Power supply with nuclear reactor |
| 02/22/1984 | EP0101378A1 Aseismic supporting structure for a nuclear island, particularly for a fast breeder nuclear reactor |
| 02/22/1984 | EP0101242A2 Method and apparatus for preventing inadvertent criticality in a nuclear fueled electric powering generating unit |
| 01/31/1984 | US4428904 Blow-off device for limiting excess pressure in nuclear power plants, especially of the boiling water reactor-type |
| 01/10/1984 | US4425495 Ignitor and enclosure structure |
| 12/27/1983 | CA1159581A1 Nuclear boiler |
| 11/22/1983 | US4416850 System for cooling the atmosphere in a primary containment vessel in nuclear reactor and removing water-soluble gases and dusts floating therein |
| 11/01/1983 | US4412969 Combination pipe rupture mitigator and in-vessel core catcher |
| 11/01/1983 | US4412968 Core safety rod release |
| 10/25/1983 | US4411860 Protective devices |
| 10/25/1983 | US4411857 Nuclear reactor control apparatus |
| 10/18/1983 | CA1155566A1 Heat-retarding closure system for pressure relief openings of partitions, especially in nuclear reactor buildings |
| 10/13/1983 | WO1983003462A1 Protection flap device against pressure waves |
| 10/05/1983 | EP0090415A1 Pressure-waves protecting flaps |
| 10/04/1983 | US4407774 Method for preventing dangerous hydrogen accumulation in nuclear reactor containments |
| 09/20/1983 | US4405558 Thermistor controlling magnetic latch |
| 09/13/1983 | CA1153786A1 Apparatus for the automatic sprinkling of the confinement enclosure of a pressurized water reactor |
| 08/23/1983 | US4400345 Nuclear boiler with concentric tubes and removable safety sleeve |
| 08/23/1983 | CA1152656A1 Boiling reactor |
| 08/16/1983 | US4399082 Blowdown device for steam power plants |
| 08/10/1983 | EP0085526A2 Thermally responsive trigger devices and their use in shut-down devices for nuclear reactors |
| 08/02/1983 | US4395810 Method for coating a sodium piping in a fast breeder reactor |
| 06/22/1983 | EP0081778A1 Pebble bed nuclear reactor with self regulation in an accidental situation |
| 06/15/1983 | EP0081429A1 Additional shut-off device for an undermoderated water cooled nuclear reactor |
| 05/18/1983 | EP0079281A1 Installation comprising a pressurized water nuclear reactor with a cooling system especially suitable for the primary circuit |
| 05/18/1983 | EP0079048A1 Nuclear power station with heat generator and housing resistant to earthquakes |
| 04/05/1983 | US4379119 Ring spring within cylinders to absorb collision energy |
| 03/09/1983 | EP0073403A2 Device for blending the atmosphere enclosed in the spaces arranged in the interior of the safety container of a nuclear reactor |
| 03/08/1983 | US4376091 Mechanical strainer unit |
| 03/08/1983 | CA1142658A1 Device for actuating a nuclear reactor control rod |
| 02/08/1983 | US4372911 Method for flattening the curve of evolution of heat in a fast reactor core |
| 01/19/1983 | EP0070037A2 Process for preventing or checking the blending of the atmosphere existent in a confined space with a gaseous material present in that space |
| 12/14/1982 | US4363780 Boiling reactor |
| 12/07/1982 | US4362693 System for mitigating consequences of loss of coolant accident at nuclear power station |
| 11/10/1982 | EP0064430A1 Absorber rod for a nuclear reactor |
| 11/02/1982 | US4356869 Fire suppressing apparatus |
| 08/18/1982 | EP0057868A2 Shutdown arrangement for a high-temperature nuclear reactor |
| 08/10/1982 | US4343764 Nuclear reactor control column |
| 08/10/1982 | US4343762 Safety device for nuclear fission reactors |
| 08/04/1982 | EP0056830A1 Hazard avoiding or diminishing method for an installation and its environment due to reacting mixtures |
| 08/03/1982 | US4342721 Fast nuclear reactor |
| 08/03/1982 | US4342621 Molten core catcher and containment heat removal system |
| 07/13/1982 | CA1127613A1 Piping support and holding device |
| 06/22/1982 | CA1126419A1 Self-actuating and locking control for nuclear reactor |
| 06/08/1982 | CA1124990A1 Method and product for extinguishing metal fires |
| 03/02/1982 | CA1119319A1 Temperature sensitive self-actuated scram mechanism |
| 02/16/1982 | US4315528 Support of fixing device for pipes |
| 02/09/1982 | US4314882 Device for actuating a nuclear reactor control rod |
| 02/02/1982 | US4313794 Self-actuating and locking control for nuclear reactor |
| 01/26/1982 | US4312704 Shut-off device blocking spontaneous passage of spherical bulk material especially in quick emptying pipes of pebble bed reactors |
| 01/12/1982 | US4310385 Nuclear reactors |
| 12/22/1981 | CA1114585A1 Process and apparatus for controlling atmospheric gas inside containment vessel of reactor |
| 12/15/1981 | US4305896 Vent exit device for condensing steam |
| 12/08/1981 | US4304633 Nuclear power plant |
| 12/08/1981 | US4304632 Nuclear reactor shutdown system |
| 12/08/1981 | US4304198 Apparatus for emergency cooling of the steam generator unit of a nuclear power plant |
| 11/18/1981 | EP0039826A1 Method and arrangement for pressure attenuation in the pressure vessel of a nuclear reactor system |
| 11/17/1981 | US4300983 Traps containing group 1 metal borates to dissolve in oxides flowing from core; solidification; leaching with water |
| 09/30/1981 | EP0036576A1 Pebble bed reactor with auxiliary equipment for adding absorber material and method for its operation |
| 09/23/1981 | EP0036332A1 Monitoring system for monitoring the state of nuclear reactor core |
| 09/15/1981 | US4289582 Nuclear reactor collecting tank with thermal insulation |
| 09/01/1981 | US4286725 Vessel for collecting and extinguishing combustible liquids |
| 09/01/1981 | CA1108315A1 Nuclear power plant capable of preventing coolant failure accident |
| 08/18/1981 | CA1107410A1 Scram device having a multiplicity of neutron absorbing masses |
| 08/05/1981 | EP0033085A2 Thermally insulating closure system for pressure relief apertures in separating walls, particularly in nuclear reactor buildings |
| 07/28/1981 | US4280872 Core catcher device |
| 07/22/1981 | EP0032347A2 Automatic sprinkler device for the containment of a pressurized-water reactor |
| 07/21/1981 | US4279697 Method of and apparatus for shutting down a gas-cooled nuclear reactor |
| 07/14/1981 | US4278498 Earthquake-proof mounting support for control-rod drives of nuclear reactors |
| 07/07/1981 | US4277310 Water-cooled nuclear reactor |
| 06/24/1981 | EP0030698A2 Boiling-water reactor |
| 06/23/1981 | US4274920 Water-cooled nuclear reactor with passive emergency shutdown and core cooling capability and on-line refueling |
| 06/23/1981 | CA1103816A1 Self-actuated rate of change of pressure scram device for nuclear reactors |
| 06/16/1981 | CA1103374A1 Liquid poison control tube and reactivity control system using the control tube |
| 05/19/1981 | US4268355 Paraseismic device for the handling hood of a nuclear reactor |
| 05/06/1981 | EP0028189A2 Nuclear reactor |
| 04/21/1981 | CA1099828A1 Molten core catcher and containment heat removal system |
| 04/08/1981 | EP0026714A1 Pressure discharging device for the primary circuit of a pressurised water reactor |
| 03/31/1981 | CA1098628A1 Shock absorbing structure for nuclear fuel assemblies |
| 03/11/1981 | EP0024783A2 Nuclear reactor shutdown system |
| 02/24/1981 | US4252612 Core catcher, refractories, nuclear fuels |