| Patents for G21C 17 - Monitoring; Testing (7,065) |
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| 05/14/1991 | US5015434 Fixed in-core calibration devices for BWR flux monitors |
| 05/14/1991 | US5015433 Neutron activated switch |
| 05/14/1991 | US5014439 Quality assurance apparatus for dimensionally inspecting elongated components |
| 05/14/1991 | US5014368 Method for monitoring the discharge of liquids and apparatus therefor |
| 05/08/1991 | EP0426554A1 Intervention vehicle with tiltable propulsion units |
| 05/08/1991 | EP0426519A1 Blocking device for a vertical conduit supporting and guiding an elongate-shaped element |
| 05/08/1991 | EP0426453A2 Sensor for controlling water quality of reactor and method of controlling said water chemistry |
| 05/07/1991 | US5012672 Hydrogen gas sensor and method of manufacture |
| 05/01/1991 | CA2028984A1 Handling apparatus with tiltable thrusters |
| 04/30/1991 | US5011650 Nuclear power generating station equipment qualification apparatus |
| 04/30/1991 | US5011206 Device for extracting foreign pieces or particles from fuel assemblies of a nuclear reactor |
| 04/23/1991 | US5009835 Nuclear fuel rod helium leak inspection apparatus and method |
| 04/23/1991 | US5009833 Expert system for surveillance, diagnosis and prognosis of plant operation |
| 04/23/1991 | US5009105 Apparatus for ultrasonic examination of BWR shroud access cover plate retaining welds |
| 04/23/1991 | US5008996 Machine for remotely lining the inside of a heat exchanger tube end with a sleeve |
| 04/17/1991 | EP0423085A2 Automatic leak detection apparatus for process fluids from production and/or research plants, in particular energy plants |
| 04/09/1991 | US5006301 Method and apparatus for control rod drop monitoring |
| 04/09/1991 | US5006268 Device for laser welding inside a tubular element |
| 04/03/1991 | EP0419994A1 Method for monitoring the activity of a gaseous or liquid means in a control-volume in nuclear plants and device for carrying it out |
| 04/02/1991 | US5004354 Heat transfer measurement |
| 04/02/1991 | CA1282249C Calibration impact hammer |
| 03/27/1991 | EP0419158A1 Device for magnetic identifications of a component such as a nuclear fuelassembly in a nuclear reactor, nuclear fuel assembly provided with such a magnetic identification device and method for the magnetic identification of a component such as a fuel assembly in a nuclear reactor |
| 03/27/1991 | EP0418710A1 Positioning device for an inspection and/or repair mast of a water cooled nuclear reactor core barrel |
| 03/27/1991 | EP0418708A2 Method and apparatus for remote positioning of an inspection device with a video camera attached to the device |
| 03/26/1991 | US5002721 Apparatus for determining number of neutrons emitted by fissile material during induced fissile |
| 03/26/1991 | US5001841 Apparatus for inspecting a profile of a rod |
| 03/20/1991 | EP0417571A1 System and electrode for "in situ" monitoring the quality of high temperature water in power plants |
| 03/19/1991 | CA2021080A1 System for identification of components |
| 03/06/1991 | EP0415711A1 Median signal selector for feedwater control systems |
| 03/06/1991 | CN1049743A Measurement equipment of boron concentration in water by means of double-channel neutron leakage and compensated absorption |
| 03/05/1991 | US4998269 Device for on-line measurement of the gamma radiation emitted by the water in a nuclear reactor circuit, in particular the primary cooling circuit of a pressurized water nuclear reactor |
| 03/05/1991 | US4997617 Real-time reactor coolant system pressure/temperature limit system |
| 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 |
| 02/21/1991 | DE4014771A1 Pressure testing and purging of nuclear reactor pressure vessels - using dummy restrictor for empty vessels to allow normal circulation equipment for testing |
| 02/20/1991 | CN2071821U Antiinterference unit of gas detector |
| 02/19/1991 | US4994232 Method of inspecting the quality of nuclear fuel rod ends |
| 02/12/1991 | US4992735 Remotely |
| 02/12/1991 | US4991428 Ion chromatography method for low concentrations |
| 02/06/1991 | EP0411874A2 System and method for remotely inspecting the interior walls of a cavity |
| 02/06/1991 | EP0411873A2 Improved plant operating system employing a deterministic, probabilistic and subjective modeling system |
| 02/06/1991 | EP0411869A2 Expert advice display processing system |
| 02/05/1991 | US4990855 Conductivity probe for use in the presence of high intensity nuclear radiation |
| 02/05/1991 | US4990304 Instrumentation tube features for reduction of coolant flow-induced vibration of flux thimble tube |
| 02/05/1991 | US4990302 Apparatus for measuring nuclear reactor power distribution |
| 01/30/1991 | EP0410580A2 Scanning outer profiles of control rods |
| 01/30/1991 | CN1048947A Method of determining distribution of power in core of nuclear reactor and method of calibrating neutron detectors around core of nuclear reactor |
| 01/29/1991 | US4988476 Method of and apparatus for evaluating deformation of channel box of fuel assembly for use in nuclear reactor |
| 01/29/1991 | US4988475 Device for checking the axial retention force on a peripheral fuel rod of a fuel assembly of a nuclear reactor |
| 01/24/1991 | DE3923401A1 Remote controlled measuring device for submerged use - has measuring head retracted into a ring gauge for calibration before each measurement operation |
| 01/24/1991 | DE3920856A1 Remote removal of foreign material from heat of PWR exchanger - has preformed tube to position suction tube or gripper inserted through it |
| 01/23/1991 | EP0408939A1 Process and apparatus for sampling the air of the containment of a nuclear power station |
| 01/22/1991 | US4987367 Method and apparatus for predicting deterioration of a member constituting a part of equipment |
| 01/22/1991 | US4986954 Device for measuring parameters in the core of a nuclear reactor in operation |
| 01/22/1991 | US4986953 Device for the support and positioning of means for checking and tools for working on fuel assemblies |
| 01/22/1991 | US4986952 Protection system for protecting a nuclear reactor in the event of a reaction-inhibiting element falling |
| 01/22/1991 | US4986112 Composite pressure vessel for a nuclear environment |
| 01/16/1991 | EP0408405A1 Device for laser welding inside a tubular element |
| 01/15/1991 | US4984627 Intervention device, particularly for checking, inspecting and maintaining heat exchangers |
| 01/10/1991 | DE3942471C1 Sodium removal from surface of construction parts - by cleaning parts using ultrasonics in liq. hydrocarbon cleaning medium |
| 01/08/1991 | US4983796 Method and apparatus for remote welding inside a tube, in particular in a steam generator in a nuclear power station |
| 01/08/1991 | US4983351 Top head penetration, hydro-ball in-core instrumentation system |
| 01/08/1991 | US4983350 Method and apparatus for detecting the fall of a control cluster in a nuclear reactor |
| 01/03/1991 | DE4014777A1 Safety sensor for damage detection in gas cooled reactors - has movement detection by piston punctured container releasing trace element into gas circulation |
| 01/02/1991 | EP0406075A1 Procedure for determining the power distribution in a nuclear reactor core and calibration procedure of neutron detectors around a nuclear reactor core |
| 01/02/1991 | EP0406043A1 Tool bit working inside a tubular element |
| 01/02/1991 | EP0405863A2 Automated thermal limit monitor |
| 01/02/1991 | EP0405792A2 Movement detection system |
| 01/01/1991 | US4981641 Purification of coolant water |
| 01/01/1991 | US4981353 Position locating apparatus for an underwater moving body |
| 01/01/1991 | US4981044 Ultrasonic sensor for testing U-shaped tubes of a heat exchanger |
| 12/31/1990 | CA2020213A1 Movement detection system |
| 12/28/1990 | CA2019906A1 Laser welding device working inside a tubular element |
| 12/28/1990 | CA2019905A1 Tool for working inside a tubular element |
| 12/27/1990 | WO1990015948A1 Pneumatic operated valve data acquisitioner |
| 12/27/1990 | EP0404637A1 Sealing plug for a steam generator tube |
| 12/27/1990 | EP0403819A2 Conductivity probe for use in the presence of high intensity nuclear radiation |
| 12/25/1990 | US4980118 Nuclear power generating station equipment qualification method and apparatus |
| 12/19/1990 | EP0403223A2 Measuring thermal neutron flux |
| 12/19/1990 | EP0403049A2 An assembly for facilitating inservice inspection of a reactor coolant pump rotor |
| 12/18/1990 | US4978921 Electrode probe for use in aqueous environments of high temperature and high radiation |
| 12/18/1990 | US4978917 Method for nondestructive measurement of heat affected zone of identification code on nuclear fuel rod |
| 12/18/1990 | US4978834 Method and apparatus for remotely welding a bush inside a tube, in particular in a steam generator in a nuclear power station |
| 12/18/1990 | US4978506 Corrosion product monitoring method and system |
| 12/18/1990 | US4978495 Nuclear fuel pellet surface defect inspection apparatus |
| 12/18/1990 | CA1278108C Filtration device for the cooling circuit of a nuclear reactor |
| 12/11/1990 | US4976911 Using helium isotope |
| 12/06/1990 | DE4017100A1 Fuel rod content inspection unit - has gamma radiation for excitation of low gamma emitting materials |
| 12/05/1990 | EP0400813A2 Reference electrode probe |
| 12/05/1990 | EP0400315A2 Sample container for radiation |
| 12/04/1990 | US4975855 Shaft crack detection method |
| 12/04/1990 | US4975241 Wear-reduction-sleeve for thimbles |
| 12/04/1990 | US4975239 BWR core flow measurement enhancements |
| 11/28/1990 | EP0399725A1 Automatic transducer excitation source testing system |
| 11/28/1990 | CN1010639B Method of connecting mineral-insulated electric cable, in particular in reactor building of nuclear boiler |
| 11/22/1990 | EP0398792A1 Apparatus for the positioning of equipment in a cylindric cavity having perforations arranged in a regular pattern |
| 11/21/1990 | CN1010523B Nuclear reactor having a longitudinally elongated vessel |
| 11/20/1990 | US4971749 Nuclear excitation laser type intra-reactor neutron flux measuring system |
| 11/07/1990 | EP0396366A2 Electrode probe |
| 11/07/1990 | EP0396365A2 Electrode probe |
| 11/07/1990 | EP0396321A2 A nuclear reactor core model updating method |