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Class Information
Number: 376/263
Name: Induced nuclear reactions: processes, systems, and elements > Handling of fission reactor component structure within reactor system > Fuel component > Including handling of a second different, diverse reactor component (e.g., control element, moderator element, vessel cover removal) > With pressure vessel cover removal
Description: Subject matter wherein the movement of fuel requires the prior movement of the closure of the fuel containing receptacle.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8608010 Sealing element fastening system for a pressure vessel, in particular a reactor pressure vessel Dec. 17, 2013
8599989 Modular reactor head area assembly Dec. 3, 2013
8411813 Method for carrying out reactor internal Apr. 2, 2013
8331522 Maintenance and repair device for structure inside nuclear reactor Dec. 11, 2012
8189731 Machinery system allowing replacement of old reactor with a new reactor in nuclear power electric generating station May. 29, 2012
7751522 Covering element for a reactor core of a nuclear installation, and nuclear reactor Jul. 6, 2010
7668282 Method for assembling a pressurized water reactor core, and reactor core configuration Feb. 23, 2010
7567645 Modular integrated head assembly Jul. 28, 2009
7158605 Head assembly Jan. 2, 2007
7139357 Reactor servicing platform Nov. 21, 2006
7120219 Reactor pressure vessel Oct. 10, 2006
6853697 Hermetically sealable transfer cask Feb. 8, 2005
6654436 Stud enclosure and method of use Nov. 25, 2003
6639960 Method of retrofitting a reactor pressure vessel head assembly Oct. 28, 2003
6618460 Integrated head assembly for a nuclear reactor Sep. 9, 2003
6546066 Integrated head assembly for a nuclear reactor Apr. 8, 2003
6263037 Cutting zone for radioactive materials Jul. 17, 2001
6240155 Preventive maintenance apparatus for structural members in a nuclear pressure vessel May. 29, 2001
6188741 Machined stub tube in a bottom head of a boiling water reactor Feb. 13, 2001
6081573 Reactor internal equipment hoisting apparatus Jun. 27, 2000
6061415 Missile shield for a nuclear reactor pressure vessel May. 9, 2000
5999584 Reactor head lift apparatus Dec. 7, 1999
5930321 Head assembly Jul. 27, 1999
5774513 Head area cable tray bridge Jun. 30, 1998
5742652 Head assembly Apr. 21, 1998
5734690 Reactor-internal equipment handling apparatus Mar. 31, 1998
5715288 Integral head rig, head area cable tray and missile shield for pressurized water reactor Feb. 3, 1998
5706319 Reactor vessel seal and method for temporarily sealing a reactor pressure vessel from the refueling canal Jan. 6, 1998
5412700 Reactor refueling containment system May. 2, 1995
5384812 Integrated head package cable carrier for a nuclear power plant Jan. 24, 1995
5325406 Quick installation non-bolted nozzle dam system Jun. 28, 1994
5323431 Device for securing a reactor vessel washer to a reactor vessel stud Jun. 21, 1994
5225150 Integrated head package for top mounted nuclear instrumentation Jul. 6, 1993
5201112 Device for the simultaneous positioning of a plurality of threaded connecting elements Apr. 13, 1993
4996018 High pressure thimble/guide tube seal fitting with built-in low pressure seal especially suitable for facilitated and more efficient nuclear reactor refueling service Feb. 26, 1991
RE33373 Tooling apparatus for modifying nuclear reactors Oct. 9, 1990
4961899 Multiple-cable connecting device for a nuclear reactor Oct. 9, 1990
4905260 Nuclear reactor containment arrangement with permanent cavity seal ring Feb. 27, 1990
4904442 Permanent cavity seal ring for a nuclear reactor containment arrangement Feb. 27, 1990
4859409 Reactor vessel lower internals temporary support Aug. 22, 1989
4857265 Wiring installation for connection of electric devices of a nuclear reactor Aug. 15, 1989
4830814 Integrated head package for a nuclear reactor May. 16, 1989
4785520 Process for locating the ideal screwing position of bolts of large dimensions Nov. 22, 1988
4728479 High pressure seal fitting with built-in low pressure seal arrangement Mar. 1, 1988
4716010 Tooling apparatus for modifying nuclear reactors Dec. 29, 1987
4708843 Control unit for a nuclear reactor Nov. 24, 1987
4705661 Fast neutron nuclear reactor equipped with a central handling cell and a boxed slab Nov. 10, 1987
4683106 Wiring installation above the cover of a nuclear reactor vessel for connection of electric devices Jul. 28, 1987
4678623 Modular head assembly and method of retrofitting existing nuclear reactor facilities Jul. 7, 1987
4666658 Refueling of nuclear reactors May. 19, 1987

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