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Class Information
Number: 376/212
Name: Induced nuclear reactions: processes, systems, and elements > With control of reactor (e.g., control of coolant flow) > By altering quantity of characteristic of fuel within critical area
Description: Subject matter wherein control of the fission reaction is realized (a) by reducing the effective quantity of fission fuel in the critical area, or (b) by effecting an in situ change in the physical state of the fuel.

Sub-classes under this class:

Class Number Class Name Patents
376/213 Wherein control element includes a fissile material 8

Patents under this class:

Patent Number Title Of Patent Date Issued
7315603 Semiconductor storage device, method for protecting predetermined memory element and portable electronic equipment Jan. 1, 2008
6909765 Method of uprating an existing nuclear power plant Jun. 21, 2005
6862329 In-cycle shuffle Mar. 1, 2005
6026136 Seed-blanket reactors Feb. 15, 2000
5145635 Fuel assembly and nuclear reactor Sep. 8, 1992
5089210 MOx fuel assembly design Feb. 18, 1992
4943409 Reactivity control in nuclear reactors Jul. 24, 1990
4879086 Neutron economic reactivity control system for light water reactors Nov. 7, 1989
4629599 Burnable absorber arrangement for fuel bundle Dec. 16, 1986
4609522 Mechanical drive system for moving fuel Sep. 2, 1986
4378329 Nuclear reactor core construction Mar. 29, 1983
4293380 Reactor and fuel assembly design for improved fuel utilization in liquid moderated thermal reactors Oct. 6, 1981
4106984 Rotating safety drum nuclear reactor Aug. 15, 1978
4075058 Articulated fuel assembly Feb. 21, 1978

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