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Fabrication of spacer grids
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CPC
G21C3/3424
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Parent Industries
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PHYSICS
G21
Nuclear engineering
G21C
NUCLEAR REACTORS
G21C3/00
Reactor fuel elements and their assemblies Selection of substances for use as reactor fuel elements
Current Industry
G21C3/3424
Fabrication of spacer grids
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Patents Grants
last 30 patents
Information
Patent Grant
Laser welding apparatus for spacer grid of nuclear fuel assembly
Patent number
10,361,006
Issue date
Jul 23, 2019
Kepco Nuclear Fuel Co., Ltd.
Dong Kwang Shin
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Spacers with deflection-limited rod contacts for nuclear fuel assem...
Patent number
10,176,899
Issue date
Jan 8, 2019
Global Nuclear Fuel -- Americas, LLC
Kathryn M. Martin
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Spot welding gun and welding method for the nuclear fuel skeleton
Patent number
9,934,878
Issue date
Apr 3, 2018
Kepco Nuclear Fuel Co., Ltd.
Hyung Sup kim
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Charging device of a welding fixture of spacer grid
Patent number
9,649,724
Issue date
May 16, 2017
Kepco Nuclear Fuel Co., Ltd.
Byeong Eun Oh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Nuclear fuel assembly with a lock-support spacer grid
Patent number
9,020,091
Issue date
Apr 28, 2015
Westinghouse Electric Company LLC
Yong Lu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Spacer grid
Patent number
8,958,523
Issue date
Feb 17, 2015
Westinghouse Electric Sweden AB
Elena Calota
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Truss-reinforced spacer grid and method of manufacturing the same
Patent number
8,879,684
Issue date
Nov 4, 2014
Korea Atomic Energy Research Institute
Kyung Ho Yoon
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Apparatus for measuring dimensions of spacer grid for nuclear fuel...
Patent number
8,707,571
Issue date
Apr 29, 2014
Kepco Nuclear Co., Ltd.
Jung Cheol Shin
G01 - MEASURING TESTING
Information
Patent Grant
Machine and method for grinding spacer grid of nuclear fuel assembly
Patent number
8,489,222
Issue date
Jul 16, 2013
Korea Nuclear Fuel Co., Ltd
Chang Kug Kim
B24 - GRINDING POLISHING
Information
Patent Grant
Spacer grid for positioning of fuel rods
Patent number
8,359,732
Issue date
Jan 29, 2013
Westinghouse Electric Sweden AB
Lars Hallstadius
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus for and method of welding spacer grid
Patent number
8,183,497
Issue date
May 22, 2012
Korea Nuclear Fuel Co., Ltd
Hak-beum Park
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for production of spacers for a nuclear reactor
Patent number
7,997,471
Issue date
Aug 16, 2011
Westinghouse Electric Sweden AB
Håkan Söderberg
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Apparatus and method for welding strap connections between inner gr...
Patent number
7,968,818
Issue date
Jun 28, 2011
Korea Atomic Energy Research Institute
Kee Nam Song
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Spacer and a fuel unit for a nuclear plant
Patent number
7,804,931
Issue date
Sep 28, 2010
Westinghouse Electric Sweden AB
Sture Helmersson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Spacer grid with side welding support and flow mixing vane for nucl...
Patent number
6,721,384
Issue date
Apr 13, 2004
Korea Atomic Energy Research Institute
Dongseok Oh
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Apparatus and a method for assembling a spacer grid of a fuel assem...
Patent number
6,621,885
Issue date
Sep 16, 2003
Societe Franco-Belge de Fabrication de Combustible-FBFC
Christophe Brichet
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Spacer spring force adjustment tool and method of adjusting the spa...
Patent number
6,385,269
Issue date
May 7, 2002
General Electric Company
William B. Gaylord
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Grid support welding apparatus
Patent number
6,339,205
Issue date
Jan 15, 2002
Mitsubishi Nuclear Fuel Co., Ltd.
Kimio Nakayama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Space for a fuel assembly of a nuclear power station
Patent number
6,320,925
Issue date
Nov 20, 2001
Siemens Aktiengesellschaft
Reiner Manzel
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method of laser beam welding interlaced straps of a spacer grid wit...
Patent number
5,808,271
Issue date
Sep 15, 1998
Franco-Belge de Fabrication de Combustible--FBFC
Dominique Duthoo
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method and installation for laser welding a spacer grid of a fuel a...
Patent number
5,726,418
Issue date
Mar 10, 1998
Franco-Belge de Fabrication de Combustible-FBFC
Dominique Duthoo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of forming grids for nuclear fuel assembly and grids formed...
Patent number
5,577,081
Issue date
Nov 19, 1996
Mitsubishi Nuclear Fuel Co.
Yoshitaka Yaginuma
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and methods for fabricating spacers for a nuclear fuel ro...
Patent number
5,519,747
Issue date
May 21, 1996
General Electric Company
Eric B. Johansson
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Device for measuring the force exerted by a grid spring
Patent number
5,490,418
Issue date
Feb 13, 1996
Societe Franco-Belge de Fabrication de Combustibles
Claude Rebours
G01 - MEASURING TESTING
Information
Patent Grant
Spacer grid cell fixture system
Patent number
5,406,599
Issue date
Apr 11, 1995
B&W Fuel Company
Garrett Johnson
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Assembly fixture and method for fabricating grids
Patent number
5,400,373
Issue date
Mar 21, 1995
Westinghouse Electric Corporation
Robert H. Cotton
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Grid welding fixture for a spacer grid
Patent number
5,398,264
Issue date
Mar 14, 1995
B&W Fuel Company
Michael W. Anderson
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Hexagonal grid
Patent number
5,367,549
Issue date
Nov 22, 1994
Combustion Engineering, Inc.
Stephen C. Hatfield
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Nuclear fuel bundle spacer spring constant gauge
Patent number
5,343,504
Issue date
Aug 30, 1994
General Electric Company
William B. Gaylord
G01 - MEASURING TESTING
Information
Patent Grant
Method of making a fuel assembly lattice member and the lattice mem...
Patent number
5,289,513
Issue date
Feb 22, 1994
Westinghouse Electric Corp.
Edmund E. DeMario
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Patents Applications
last 30 patents
Information
Patent Application
NUCLEAR FUEL ASSEMBLY MANUFACTURING METHOD, NUCLEAR FUEL ASSEMBLY M...
Publication number
20230352198
Publication date
Nov 2, 2023
FRAMATOME
Lawrence MERCIER
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
INTERNAL ELECTRODE INSERTION DEVICE FOR WELDING EQUIPMENT FOR SKELE...
Publication number
20230207143
Publication date
Jun 29, 2023
KEPCO NUCLEAR FUEL CO., LTD.
Byung Tak KIM
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
SPACER GRID OF NUCLEAR FUEL ASSEMBLY
Publication number
20230197297
Publication date
Jun 22, 2023
KEPCO NUCLEAR FUEL CO., LTD.
Joo Young Ryu
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
METHOD AND ASSEMBLING SYSTEM FOR INSERTING AT LEAST ONE NUCLEAR FUE...
Publication number
20220059245
Publication date
Feb 24, 2022
FRAMATOME
Ewald OSSEFORTH
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
NUCLEAR FUEL ASSEMBLY MANUFACTURING METHOD, NUCLEAR FUEL ASSEMBLY M...
Publication number
20210142918
Publication date
May 13, 2021
FRAMATOME
Lawrence MERCIER
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
SPACER GRID WELDING FIXTURE
Publication number
20200251230
Publication date
Aug 6, 2020
BWXT mPower, Inc.
Roger D. Ridgeway
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HOLDING FIXTURE TO ASSIST IN ASSEMBLY OF SUPPORT GRID FOR NUCLEAR F...
Publication number
20170236603
Publication date
Aug 17, 2017
Westinghouse Electric Company LLC
LYMAN J. PETROSKY
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
LASER WELDING APPARATUS FOR SPACER GRID OF NUCLEAR FUEL ASSEMBLY
Publication number
20160155520
Publication date
Jun 2, 2016
KEPCO NUCLEAR FUEL CO., LTD.
Dong Kwang SHIN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SPACERS WITH DEFLECTION-LIMITED ROD CONTACTS FOR NUCLEAR FUEL ASSEM...
Publication number
20140064434
Publication date
Mar 6, 2014
Global Nuclear Fuel - Americas, LLC
Kathryn M. Martin
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
APPARATUS FOR MEASURING DIMENSIONS OF SPACER GRID FOR NUCLEAR FUEL...
Publication number
20130008040
Publication date
Jan 10, 2013
Jung Cheol Shin
G01 - MEASURING TESTING
Information
Patent Application
MACHINE AND METHOD FOR GRINDING SPACER GRID OF NUCLEAR FUEL ASSEMBLY
Publication number
20110288675
Publication date
Nov 24, 2011
Chang Kug KIM
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Spacer grid for positioning of fuel rods
Publication number
20110232439
Publication date
Sep 29, 2011
Lars Hallstadius
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
SPACER GRID
Publication number
20110064185
Publication date
Mar 17, 2011
Westinghouse Electric Sweden AB
Elena Calota
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
TRUSS-REINFORCED SPACER GRID AND METHOD OF MANUFACTURING THE SAME
Publication number
20110051882
Publication date
Mar 3, 2011
Korea Atomic Energy Research Institute
Kyung Ho Yoon
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Multi-axis laser welding head for spacer grid
Publication number
20100096369
Publication date
Apr 22, 2010
Korea Nuclear Fuel Co., Ltd.
Byeong-Eun Oh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR PRODUCTION OF SPACERS FOR A NUCLEAR REACTOR
Publication number
20100024194
Publication date
Feb 4, 2010
Håkan Söderberg
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
NUCLEAR FUEL ASSEMBLY WITH A LOCK-SUPPORT SPACER GRID
Publication number
20090257546
Publication date
Oct 15, 2009
Westinghouse Electric Company LLC
Yong LU
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Apparatus For and Method of Welding Spacer Grid
Publication number
20090084764
Publication date
Apr 2, 2009
Korea Nuclear Fuel Co., Ltd.
Hak-beum PARK
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Spacer and a Fuel Unit for a Nuclear Plant
Publication number
20080267339
Publication date
Oct 30, 2008
Westinghouse Electric Sweden AB
Sture Helmersson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
APPARATUS AND METHOD FOR WELDING STRAP CONNECTIONS BETWEEN INNER GR...
Publication number
20070267391
Publication date
Nov 22, 2007
Korea Atomic Energy Research Institute
Kee-Nam Song
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Spacer grid with side welding support and flow mixing vane for nucl...
Publication number
20030138073
Publication date
Jul 24, 2003
Dongseok Oh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Device and method for mounting a bracing grid of a fuel assembly fo...
Publication number
20020191729
Publication date
Dec 19, 2002
Christophe Brichet
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING