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Class Information
Number: 376/308
Name: Induced nuclear reactions: processes, systems, and elements > Fission reactor material (including reaction products) treatment
Description: Subject matter for adding or removing a material from the system or component thereof.

Sub-classes under this class:

Class Number Class Name Patents
376/310 Impurity removal 314
376/309 Post accident impurity or contaminant removal 66

Patents under this class:
1 2

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
8498371 Head-end process for the reprocessing of reactor core material Jul. 30, 2013
8433030 Crystal habit modifiers for nuclear power water chemistry control of fuel deposits and steam generator crud Apr. 30, 2013
8165261 Chemical enhancement of ultrasonic fuel cleaning Apr. 24, 2012
7542539 Apparatus and method for ultrasonically cleaning irradiated nuclear fuel assemblies Jun. 2, 2009
7149272 Filter for cooling water in a light water cooled nuclear reactor Dec. 12, 2006
6960326 Method of separating uranium from irradiated nuclear fuel Nov. 1, 2005
6716402 Dissolution and decontamination process Apr. 6, 2004
6702902 Method and device for radioactive decontamination of a steel wall Mar. 9, 2004
6652661 Radioactive decontamination and translocation method Nov. 25, 2003
6605158 Radioactive decontamination and translocation method Aug. 12, 2003
6549603 Method of chemical decontamination Apr. 15, 2003
6549601 Mounting method for core internals Apr. 15, 2003
6497769 Radioactive decontamination and translocation method Dec. 24, 2002
6438191 Explosive scabbling of structural materials Aug. 20, 2002
6396892 Apparatus and method for ultrasonically cleaning irradiated nuclear fuel assemblies May. 28, 2002
6345083 Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel Feb. 5, 2002
6219399 Maintenance method in nuclear power plant Apr. 17, 2001
5764716 Process and apparatus for generating an inerting gas Jun. 9, 1998
5633902 Method and apparatus for dismantling fuel storage racks May. 27, 1997
5473647 Process and device for obtaining samples from the atmosphere in a closed gastight vessel, preferably from the reactor safety vessel of a nuclear power station Dec. 5, 1995
5325410 Clean-up system for the chemical decontamination of a nuclear reactor primary system Jun. 28, 1994
5272738 Device for monitoring the atmosphere withing a nuclear reactor containment Dec. 21, 1993
5257297 System for monitoring the radioactivity of liquid waste Oct. 26, 1993
5173250 Apparatus for demolishing biological shield wall of a nuclear reactor and a method of demolishing the same Dec. 22, 1992
5089216 System for chemical decontamination of nuclear reactor primary systems Feb. 18, 1992
5077000 Method of preparing a reactor coolant pump for vacuum degasification of a reactor coolant system Dec. 31, 1991
5076971 Method for enhancing alpha decay in radioactive materials Dec. 31, 1991
5028384 Method for enhancing personnel safety in operating a nuclear reactor plant, and means therefor Jul. 2, 1991
4892684 Method and apparatus for separating radionuclides from non-radionuclides Jan. 9, 1990
4847041 Reactor coolant pump auxiliary seal for reactor coolant system vacuum degasification Jul. 11, 1989
4834936 Continuous dissolution apparatus for spent nuclear fuel May. 30, 1989
4797249 Process for precluding or reducing the danger to a system and the surroundings thereof by reactive mixtures Jan. 10, 1989
4698202 Process for installation for the controlled discharge of activity from a reactor containment structure of a gas-cooled nuclear power plant Oct. 6, 1987
4647425 Method of vacuum degassing and refilling a reactor coolant system Mar. 3, 1987
4645641 Process and installation to secure a prestressed concrete pressure vessel surrounded by a reactor protection building against excessive pressure and to prevent the release of activity to the e Feb. 24, 1987
4631164 Nuclear power station with a containment Dec. 23, 1986
4601873 Method of avoiding or inhibiting intermixing of the atmosphere which exists in an enclosed space with a gaseous substance present in the same space Jul. 22, 1986
4599513 Enclosure for sorting radioactive material Jul. 8, 1986
4594774 Machines for dismantling decommissioned nuclear reactors Jun. 17, 1986
4533514 Nuclear reactor degassing method and degassing system Aug. 6, 1985
4487740 Procedure and equipment for injecting gas into liquids Dec. 11, 1984
4309583 Heat-treating apparatus for prolonging the life of a pressure vessel, especially a reactor pressure vessel Jan. 5, 1982
4297324 Apparatus for the continuous processing of compounds in a liquid Oct. 27, 1981
4293382 Method of starting up a nuclear reactor Oct. 6, 1981
4286725 Vessel for collecting and extinguishing combustible liquids Sep. 1, 1981
4276060 Chromatographic hydrogen isotope separation Jun. 30, 1981
4193338 Gas dispersion system Mar. 18, 1980

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