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Class Information
Number: 376/310
Name: Induced nuclear reactions: processes, systems, and elements > Fission reactor material (including reaction products) treatment > Impurity removal
Description: Subject matter wherein undesired material is withdrawn from the system.

Sub-classes under this class:

Class Number Class Name Patents
376/312 By cold traps or hot traps 36
376/313 By filters, ion exchangers, or absorbers 300
376/316 By pressurized fluid (i.e., blowdown) 104
376/311 Reprocessing of fuel during reactor operation 19

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8705685 Device for removing solid particles from the cooling medium which circulates in the primary circuit of a nuclear reactor Apr. 22, 2014
8548113 Debris mitigation upper tie plates and fuel bundles using the same Oct. 1, 2013
8537960 Automated cleaning equipment and method for the nuclear fuel-cladding tube Sep. 17, 2013
8494107 Method of suppressing deposition of radioactive isotope Jul. 23, 2013
8457270 Suppression method of radionuclide deposition on reactor component of nuclear power plant Jun. 4, 2013
8433030 Crystal habit modifiers for nuclear power water chemistry control of fuel deposits and steam generator crud Apr. 30, 2013
8414685 System and method for removal of dissolved gases in makeup water of a water-cooled nuclear reactor Apr. 9, 2013
8385497 Channel confinement method for dry-storage of BWR fuel bundles Feb. 26, 2013
8379789 Nuclear plant Feb. 19, 2013
8369473 Device and method for the automated decontamination of a nuclear fuel rod Feb. 5, 2013
8333893 Filtration separation method for waste resin containing highly radioactive uranium powder and device thereof Dec. 18, 2012
8265221 Debris trap Sep. 11, 2012
8249211 Forced convection target assembly Aug. 21, 2012
8165261 Chemical enhancement of ultrasonic fuel cleaning Apr. 24, 2012
8097164 Process for preparing magnetic particles for selectively removing contaminants from solution Jan. 17, 2012
8069522 In-situ bwr and pwr CRUD flake analysis method and tool Dec. 6, 2011
8009790 Debris Trap Aug. 30, 2011
7887767 Process for reprocessing a spent nuclear fuel and of preparing a mixed uranium-plutonium oxide Feb. 15, 2011
7811392 Suppression method of radionuclide deposition on reactor component of nuclear power plant and ferrite film formation apparatus Oct. 12, 2010
7776223 Method of collecting high-level radioactive uranium powder underwater Aug. 17, 2010
7542539 Apparatus and method for ultrasonically cleaning irradiated nuclear fuel assemblies Jun. 2, 2009
7304301 In-situ BWR and PWR CRUD flake analysis method and tool Dec. 4, 2007
7149272 Filter for cooling water in a light water cooled nuclear reactor Dec. 12, 2006
6972095 Magnetic molecules: a process utilizing functionalized magnetic ferritins for the selective removal of contaminants from solution by magnetic filtration Dec. 6, 2005
6973154 Method of chemical decontamination and system therefor Dec. 6, 2005
6950489 Guide tube for an instrumentation lance extending into a pressure vessel, reactor pressure vessel, and a method for preventing the accumulation of particles outside the pressure vessel in a gu Sep. 27, 2005
6944254 Pressurized water reactor shutdown method Sep. 13, 2005
6928134 Apparatus for admitting gas into the primary coolant of a pressurized water reactor Aug. 9, 2005
6921515 Apparatus for chemical decontamination Jul. 26, 2005
6907891 Radioactive substance decontamination method and apparatus Jun. 21, 2005
6901128 Foreign matter filter for fuel assembly in pressurized water reactor May. 31, 2005
6847695 Nuclear fuel assembly lower tie-plate and method of its assembling Jan. 25, 2005
6829319 Condensate demineralization Dec. 7, 2004
6702902 Method and device for radioactive decontamination of a steel wall Mar. 9, 2004
6652661 Radioactive decontamination and translocation method Nov. 25, 2003
6635232 Method of chemically decontaminating components of radioactive material handling facility and system for carrying out the same Oct. 21, 2003
6636577 Laser induced fluorescence water measurement system for nuclear reactors Oct. 21, 2003
6633624 Condensate demineralization Oct. 14, 2003
6625248 Process for the treatment of radioactive graphite Sep. 23, 2003
6605158 Radioactive decontamination and translocation method Aug. 12, 2003
6549603 Method of chemical decontamination Apr. 15, 2003
6497769 Radioactive decontamination and translocation method Dec. 24, 2002
6491818 Suction strainer with an internal core tube Dec. 10, 2002
6473481 Control rod guide tube cleaning apparatus in nuclear reactor Oct. 29, 2002
6466636 Decontamination method Oct. 15, 2002
6466637 CRUD collection system Oct. 15, 2002
6456683 Method and apparatus for deionizing condensate Sep. 24, 2002
6341151 Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel Jan. 22, 2002
6240155 Preventive maintenance apparatus for structural members in a nuclear pressure vessel May. 29, 2001
6058153 Preventive maintenance apparatus for structural members in a nuclear pressure vessel May. 2, 2000

1 2 3 4 5 6 7

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