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Robert C. Ballard
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Wytheville, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Enhanced track resistant dome structure for dry-type cast coil tran...
Patent number
9,847,167
Issue date
Dec 19, 2017
ABB Schweiz AG
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of providing arc-resistant dry type transformer enclosure
Patent number
9,214,271
Issue date
Dec 15, 2015
ABB Inc.
Robert C. Ballard
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Radial drop winding for open-wound medium voltage dry type transfor...
Patent number
9,214,273
Issue date
Dec 15, 2015
ABB Technology AG
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Corrosion-resistant coating system for a dry-type transformer core
Patent number
8,610,532
Issue date
Dec 17, 2013
ABB Technology AG
Bandeep Singh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arc-resistant dry type transformer enclosure having arc fault dampe...
Patent number
8,492,662
Issue date
Jul 23, 2013
ABB Inc.
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arc-resistant dry type transformer enclosure having arc channels
Patent number
8,456,838
Issue date
Jun 4, 2013
ABB Inc.
Robert C. Ballard
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of providing arc-resistant dry type transformer enclosure
Patent number
8,375,566
Issue date
Feb 19, 2013
ABB Inc.
Robert C. Ballard
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Disc wound transformer with improved cooling
Patent number
8,111,123
Issue date
Feb 7, 2012
ABB Technology AG
Jong-Yun Lim
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
Enhanced Track Resistant Dome Structure For Dry-Type Cast Coil Tran...
Publication number
20160155563
Publication date
Jun 2, 2016
ABB TECHNOLOGY AG
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RADIAL DROP WINDING FOR OPEN-WOUND MEDIUM VOLTAGE DRY TYPE TRANSFOR...
Publication number
20150371775
Publication date
Dec 24, 2015
ABB TECHNOLOGY AG
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Radial Drop Winding For Open-Wound Medium Voltage Dry Type Transfor...
Publication number
20140361861
Publication date
Dec 11, 2014
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RADIAL DROP WINDING FOR OPEN-WOUND MEDIUM VOLTAGE DRY TYPE TRANSFOR...
Publication number
20140361862
Publication date
Dec 11, 2014
ABB Technology AG
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Dry-Type Transformer Arc Resistant Enclosure Having Pressure Relief...
Publication number
20140166329
Publication date
Jun 19, 2014
ABB TECHNOLOGY AG
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CORROSION-RESISTANT COATING SYSTEM FOR A DRY-TYPE TRANSFORMER CORE
Publication number
20130162386
Publication date
Jun 27, 2013
ABB TECHNOLOGY AG
Bandeep Singh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fast Transient Mitigator Circuit Integrated Within A Vacuum Cast Tr...
Publication number
20130147589
Publication date
Jun 13, 2013
ABB TECHNOLOGY AG
Charles W. Johnson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PROVIDING ARC-RESISTANT DRY TYPE TRANSFORMER ENCLOSURE
Publication number
20130019464
Publication date
Jan 24, 2013
Robert C. Ballard
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ARC-RESISTANT DRY TYPE TRANSFORMER ENCLOSURE HAVING ARC CHANNELS
Publication number
20120218067
Publication date
Aug 30, 2012
ABB INC.
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ARC-RESISTANT DRY TYPE TRANSFORMER ENCLOSURE HAVING ARC FAULT DAMPE...
Publication number
20120217053
Publication date
Aug 30, 2012
ABB INC.
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PROVIDING ARC-RESISTANT DRY TYPE TRANSFORMER ENCLOSURE
Publication number
20120216393
Publication date
Aug 30, 2012
ABB INC.
Robert C. Ballard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISC WOUND TRANSFORMER WITH IMPROVED COOLING
Publication number
20110063062
Publication date
Mar 17, 2011
ABB TECHNOLOGY AG
Jong-Yun Lim
H01 - BASIC ELECTRIC ELEMENTS