| Patents for G21C 13 - Pressure vessels; Containment vessels; Containment in general (2,467) |
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| 10/09/1991 | EP0450444A1 Improving operation life of on-line boiling water reactors |
| 10/09/1991 | EP0450440A1 Method of providing extended life expectancy for components of boiling water reactors |
| 09/17/1991 | US5049353 Passive containment cooling system |
| 09/17/1991 | US5048570 Multisectioned nozzle dam |
| 09/10/1991 | US5047201 Seal for a vessel connection of a hot pipeline |
| 09/10/1991 | US5046386 Apparatus for screwing at least one nut onto and off connection members |
| 09/03/1991 | US5045274 Water cooled nuclear reactors |
| 08/27/1991 | US5042861 Nozzle dam remote installation system and technique |
| 08/20/1991 | US5040287 Heating equipment installation system |
| 08/06/1991 | US5037604 Coffer dam for temporary shielding of reactor vessel internals |
| 07/30/1991 | US5035852 Tapered leaf support pin for operating plant guide tubes |
| 06/18/1991 | US5025129 Reactor vessel annealing system |
| 06/04/1991 | US5021212 Primary containment vessel with outer pool |
| 05/30/1991 | WO1991007758A1 Liquid metal-cooled nuclear reactor |
| 05/29/1991 | EP0429267A1 Tube plug and method for plugging a tubular member |
| 05/29/1991 | CN1051815A Device for wedging the upper support plate of a cluster guides in relation to the vessel of a nuclear reactor |
| 05/22/1991 | EP0428433A1 Device for fixation of upper spider guide plate in a nuclear reactor vessel |
| 05/07/1991 | US5013521 Internal shell of a fast-neutron nuclear reactor comprising a thermal protection device |
| 04/23/1991 | US5009836 Method for temporary shielding of reactor vessel internals |
| 04/16/1991 | US5007460 Adjustable nozzle dam assembly and method of installing same |
| 04/09/1991 | US5006302 Nozzle dam remote installation system and technique |
| 04/09/1991 | US5006300 Sealing device for nuclear power reactor |
| 03/13/1991 | EP0416313A1 Austenitic Cr-Ni-Mn-steel excellent in resistance to neutron irradiation embrittlement |
| 02/27/1991 | EP0413835A1 Container with a reaction vessel for chemical reactions, and process for operating this container |
| 02/27/1991 | EP0298986B1 Apparatus and method for sealing a tube joint |
| 02/26/1991 | US4996018 High pressure thimble/guide tube seal fitting with built-in low pressure seal especially suitable for facilitated and more efficient nuclear reactor refueling service |
| 02/05/1991 | US4989818 Nozzle dam remote installation system and technique |
| 01/22/1991 | US4987367 Method and apparatus for predicting deterioration of a member constituting a part of equipment |
| 01/22/1991 | US4986112 Composite pressure vessel for a nuclear environment |
| 01/09/1991 | EP0407007A2 System for modelling thermal properties of reactor vessels |
| 01/02/1991 | EP0405080A2 Reactor vessel nozzle thermal barrier |
| 12/27/1990 | EP0404431A2 Annealing unit insertion and removal system |
| 12/27/1990 | EP0404430A2 Modular annealing apparatus for in situ reactor vessel annealing and related method of assembly |
| 12/27/1990 | EP0404429A1 Coffer dam for temporary shielding of reactor vessel internals and method of assembly |
| 12/27/1990 | EP0404428A1 Water filled tanks for temporary shielding of reactor vessel internals and method of assembly |
| 12/27/1990 | EP0404314A1 Monitoring and control of reactor vessel heat treatment |
| 12/27/1990 | EP0404313A2 Electric resistance heater unit assembly |
| 12/27/1990 | EP0404310A2 Temperature monitoring device and thermocouple assembly therefor |
| 12/27/1990 | EP0404309A2 Heat treatment control |
| 12/27/1990 | EP0403756A1 Reactor vessel annealing system |
| 12/27/1990 | EP0403747A2 Heating equipment installation system and method |
| 12/25/1990 | US4980117 Reactor vessel O-ring spring clip |
| 12/19/1990 | EP0403424A1 Device for removing of aerosols out of the air in a nuclear reactor containment |
| 12/18/1990 | US4978497 Apparatus for the thermal protection of the upper support ferrule of a suspended vessel, particularly in a fast neutron nuclear reactor |
| 12/13/1990 | WO1990015418A1 A method for repair of system parts of a nuclear reactor which are contacted by process medium |
| 12/13/1990 | WO1990015417A1 Permanent refueling pool seal |
| 12/11/1990 | US4976914 Device for removing a blower from a gas-cooled nuclear reactor |
| 11/20/1990 | US4971752 Safety design for nuclear power plants |
| 11/20/1990 | US4971751 Shock-absorbing system for pulsed nuclear power plant |
| 11/14/1990 | EP0397162A1 Primary containment vessel with outer pool |
| 10/24/1990 | EP0393805A2 Passive containment cooling apparatus and method |
| 10/24/1990 | EP0393367A1 Improved high pressure thimble/guide tube seal fitting with built-in low pressure seal especially suitable for facilitated and more efficient nuclear reactor refueling service |
| 10/24/1990 | CN1010139B Nuclear power plant with a high temp. reactor |
| 10/18/1990 | DE3912478A1 Closure for large pressure vessel - has sealing joint and movement joint |
| 10/17/1990 | EP0392604A1 Protection system for the reactor-containing building in nuclear power stations |
| 10/09/1990 | USRE33373 Tooling apparatus for modifying nuclear reactors |
| 10/03/1990 | EP0389712A2 Multiple use of water in safety system for nuclear reactor plants |
| 09/26/1990 | EP0389330A1 Sealing plug for a threated hole and device for, and method of installation of this plug |
| 09/25/1990 | US4959192 Nozzle dam translocating system |
| 09/20/1990 | WO1990010936A1 An arrangement for protecting reactor containment integrity |
| 09/19/1990 | EP0388253A1 Refueling and security water pool for pressurized water cooled nuclear reactor |
| 08/21/1990 | US4950086 Structure having radioactive plant components |
| 08/16/1990 | EP0382643A1 Thermal protection device for the upper support ring of a hanging vessel, especially in a fast neutron nuclear reactor |
| 08/14/1990 | US4949363 Bottom supported liquid metal nuclear reactor |
| 08/14/1990 | US4948938 Process for fastening a pipe by welding to a thick wall member such as a pipe-carrying shell of a nuclear reactor vessel |
| 08/14/1990 | US4948550 Seal for nuclear reactors |
| 08/08/1990 | CN1009138B Concrete pressure shell for nuclear reactor vessel with low power gas cooling system |
| 08/02/1990 | DE3902634A1 Austenitischer stahl mit verbesserter widerstandsfaehigkeit gegen neutroneninduziertes schwellen und heliumversproedung Swell Austenitic steel with improved widerstandsfaehigkeit against neutron-induced and heliumversproedung |
| 07/26/1990 | DE4002163A1 Sealing arrangement for appts. column traversing lid of PWR vessel - having support system, seals, clamping parts, drawing section, flange- and extended tubular sections |
| 07/25/1990 | EP0378988A2 Method and arrangement for detecting the escape of radioactivity from nuclear installations |
| 07/11/1990 | EP0377176A2 Absorber coat for a radioactive source, especially a nuclear reactor |
| 07/10/1990 | US4939878 Process for sealing structural bodies or cavity-defining walls which may be subject to cracking |
| 07/10/1990 | CA1271315A1 Process of replacing a sleeve mounted within a pipe, and devices for carrying out that process |
| 07/04/1990 | EP0376839A1 Expansion compensator mounted between two pipes |
| 07/04/1990 | EP0376187A2 Binder pitch for high-purity carbon material and process for preparing same |
| 06/13/1990 | CN1008410B Flow limiting head adapter extension |
| 06/12/1990 | US4932553 Radiation reducing manway doors |
| 05/23/1990 | EP0369307A1 Nuclear reactor containment arrangement with permanent cavity seal ring |
| 05/23/1990 | EP0369306A1 Permanent cavity seal ring for a nuclear reactor containment arrangement |
| 05/23/1990 | CN1008140B Underground low-power pivoted reactor in flawless cylindrical pressure vessel |
| 05/10/1990 | DE3837355A1 Concrete lid, held down with clamping elements, for a large container passage |
| 05/09/1990 | EP0367584A2 Pressure vessel |
| 05/08/1990 | US4923338 Process for lowering building structures |
| 04/25/1990 | EP0365374A1 Device for treating a machine for extending screwed-connection elements |
| 04/25/1990 | CN1041558A Nut driving up machine |
| 04/24/1990 | US4919882 Modular nuclear steam supply system and method of constructing a nuclear reactor using a modular nuclear steam supply system |
| 04/04/1990 | EP0362013A2 Apparatus for screwing and unscrewing at least one nut at connection elements |
| 03/27/1990 | US4911880 Nuclear reactor having a unitary pressure container structure |
| 03/21/1990 | EP0359716A2 Intrinsic-safety nuclear reactor of the pressurized water type |
| 03/20/1990 | US4909981 Nuclear reactor |
| 03/13/1990 | US4908179 Flexible seal body in gap between two parallel vertical surfaces, metallic stiffening structure extending horizontally through seal body to span gap and provide resistance to seismic forces; for nuclear reactor |
| 02/28/1990 | EP0355477A1 Process and device for decontaminating the primary system of a nuclear-power station |
| 02/27/1990 | US4905260 Nuclear reactor containment arrangement with permanent cavity seal ring |
| 02/27/1990 | US4904442 Permanent cavity seal ring for a nuclear reactor containment arrangement |
| 01/09/1990 | US4892702 Thickness, symmetry, steels |
| 01/03/1990 | EP0349014A2 Support structure for a nuclear reactor |
| 12/26/1989 | US4889682 Passive cooling system for nuclear reactor containment structure |
| 12/19/1989 | US4887398 Hydraulic buffer to protect buildings against earthquakes |
| 12/06/1989 | EP0345160A1 Liquid metal cooled fast neutron nuclear reactor |
| 12/05/1989 | US4885128 Method for improving performance of irradiated structural materials |