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David W. Gandy
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China Grove, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method to eliminate dissimilar metal welds
Patent number
11,738,404
Issue date
Aug 29, 2023
Electric Power Research Institute, Inc.
Benjamin Sutton
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method to eliminate dissimilar metal welds
Patent number
11,298,774
Issue date
Apr 12, 2022
Electric Power Research Institute, Inc.
Benjamin Sutton
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cobalt-free, galling and wear resistant austenitic stainless steel...
Patent number
10,094,010
Issue date
Oct 9, 2018
The Ohio State University
Ryan Thomas Smith
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method for inspection and repair
Patent number
7,617,603
Issue date
Nov 17, 2009
Electric Power Research Institute, Inc.
Kent Coleman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Methods for extending the life of alloy steel welded joints by elim...
Patent number
7,591,410
Issue date
Sep 22, 2009
Electric Power Research Institute, Inc.
Kent K. Coleman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Weld filler for welding dissimilar alloy steels and method of using...
Patent number
7,562,807
Issue date
Jul 21, 2009
Electric Power Research Institute
Kent K. Coleman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for repairing heat recovery steam generator tube-to-header d...
Patent number
7,547,859
Issue date
Jun 16, 2009
Electric Power Research Institute, Inc.
David Wayne Gandy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method to join or repair superalloy hot section turbine components...
Patent number
7,484,651
Issue date
Feb 3, 2009
Electric Power Research Institute, Inc.
David Wayne Gandy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Methods for extending the life of alloy steel welded joints by elim...
Patent number
7,371,988
Issue date
May 13, 2008
Electric Power Research Institute, Inc.
Kent K. Coleman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Controlled composition welding method
Patent number
6,884,959
Issue date
Apr 26, 2005
Electric Power Research Institute, Inc.
David Wayne Gandy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for repairing superalloy components
Patent number
6,673,169
Issue date
Jan 6, 2004
Electric Power Research Institute, Inc.
Artie Gene Peterson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus and prefabricated replacement tube for localiz...
Patent number
6,596,957
Issue date
Jul 22, 2003
Electric Power Research Institute, Inc.
David Wayne Gandy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and method of repairing turbine blades
Patent number
6,364,971
Issue date
Apr 2, 2002
Electric Power Research Institute
Artie Gene Peterson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for repairing a shrink-fitted turbine disc
Patent number
6,145,194
Issue date
Nov 14, 2000
Electric Power Research Institute, Inc.
Ronald E. Munson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
METHOD TO ELIMINATE DISSIMILAR METAL WELDS
Publication number
20220184728
Publication date
Jun 16, 2022
ELECTRIC POWER RESEARCH INSTITUTE, INC.
Benjamin Sutton
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
COBALT-FREE, GALLING AND WEAR RESISTANT AUSTENITIC STAINLESS STEEL...
Publication number
20190071759
Publication date
Mar 7, 2019
The Ohio State University
Ryan Thomas Smith
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD TO ELIMINATE DISSIMILAR METAL WELDS
Publication number
20170282288
Publication date
Oct 5, 2017
ELECTRIC POWER RESEARCH INSTITUTE, INC.
Benjamin Sutton
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
COBALT-FREE, GALLING AND WEAR RESISTANT AUSTENITIC STAINLESS STEEL...
Publication number
20150368766
Publication date
Dec 24, 2015
The Ohio State University
Ryan Thomas Smith
B32 - LAYERED PRODUCTS
Information
Patent Application
CONTROL ROD DRIVE (CRD) TUBES, METHOD OF MANUFACTURE, AND INSTALLAT...
Publication number
20130294566
Publication date
Nov 7, 2013
ELECTRIC POWER RESEARCH INSTITUTE, INC.
David W. Gandy
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
METHOD OF MANUFACTURING A WELD-FREE APPARATUS FOR CONNECTION OF DIS...
Publication number
20130121868
Publication date
May 16, 2013
ELECTRIC POWER RESEARCH INSTITUTE, INC.
David W. Gandy
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FUNCTIONALLY GRADED COMPOSITIONAL CONTROL METHODS TO ELIMINATE DISS...
Publication number
20120299288
Publication date
Nov 29, 2012
ELECTRIC POWER RESEARCH INSTITUTE, INC.
David W. Gandy
F22 - STEAM GENERATION
Information
Patent Application
METHOD OF USING POWDER METALLURGY FABRICATION FOR MANUFACTURING INT...
Publication number
20120301344
Publication date
Nov 29, 2012
ELECTRIC POWER RESEARCH INSTITUTE, INC.
David W. Gandy
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR REPAIRING HEAT RECOVERY STEAM GENERATOR TUBE-TO-HEADER D...
Publication number
20090223053
Publication date
Sep 10, 2009
Electric Power Research Institute, Inc.
David Wayne GANDY
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Methods for Extending the Life of Alloy Steel Welded Joints by Elim...
Publication number
20080156402
Publication date
Jul 3, 2008
Electric Power Research Institute, Inc.
Kent K. Coleman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method for repairing heat recovery steam generator tube-to-header d...
Publication number
20060207096
Publication date
Sep 21, 2006
Electric Power Research Institute, Inc.
David Wayne Gandy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and apparatus for repairing superalloy components
Publication number
20060138093
Publication date
Jun 29, 2006
Artie Gene Peterson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Methods for extending the life of alloy steel welded joints by elim...
Publication number
20060086708
Publication date
Apr 27, 2006
Kent K. Coleman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method to join or repair superalloy hot section turbine components...
Publication number
20060086776
Publication date
Apr 27, 2006
David Wayne Gandy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Weld filler for welding dissimilar alloy steels and method of using...
Publication number
20050247763
Publication date
Nov 10, 2005
Electric Power Research Institute, Inc.
Kent K. Coleman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and apparatus for repairing superalloy components
Publication number
20050126664
Publication date
Jun 16, 2005
Electric Power Research Institute, Inc.
Artie Gene Peterson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and apparatus and prefabricated replacement tube for localiz...
Publication number
20030094440
Publication date
May 22, 2003
David Wayne Gandy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Controlled composition welding method
Publication number
20030052110
Publication date
Mar 20, 2003
David Wayne Gandy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR