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Adam Willwerth
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North Yarmouth, ME, US
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Patents Grants
last 30 patents
Information
Patent Grant
Welding contact tip with conductive brush
Patent number
9,302,341
Issue date
Apr 5, 2016
Illinois Tool Works Inc.
Hieyoung W. Oh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Current control brush assembly
Patent number
8,963,398
Issue date
Feb 24, 2015
Illinois Tool Works Inc.
Matthew D. Roman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current control brush assembly having axial and radial filaments
Patent number
8,734,164
Issue date
May 27, 2014
Illinois Tool Works Inc.
Jason Richardson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Shaft current control brush ring assembly
Patent number
8,432,659
Issue date
Apr 30, 2013
Illinois Tool Works Inc.
Hieyoung W. Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Shaft current control brush ring assembly
Patent number
8,199,453
Issue date
Jun 12, 2012
Illinois Tool Works Inc.
Hieyoung W. Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Grounding brush system for mitigating electrical current on rotatin...
Patent number
8,189,317
Issue date
May 29, 2012
Illinois Tool Works Inc.
Hieyoung W. Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Shaft current control brush ring assembly
Patent number
8,169,766
Issue date
May 1, 2012
Illinois Tool Works, Inc.
Hieyoung W. Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
EMI shielding and environmental seal device
Patent number
8,107,260
Issue date
Jan 31, 2012
Illinois Tool Works Inc.
Hieyoung W. Oh
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Flexible conductive static control brush assembly
Patent number
7,652,866
Issue date
Jan 26, 2010
Illinois Tool Works
Michael P. Barnard
A46 - BRUSHWARE
Information
Patent Grant
Grounding system for a rotating shaft
Patent number
7,339,777
Issue date
Mar 4, 2008
Illinois Tool Works Inc.
Michael P. Barnard
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
ELECTRICAL MEASUREMENT DEVICES
Publication number
20170122979
Publication date
May 4, 2017
Illinois Tool Works Inc.
Jeffrey Richardson
G01 - MEASURING TESTING
Information
Patent Application
CURRENT CONTROL BRUSH ASSEMBLY
Publication number
20130106236
Publication date
May 2, 2013
Illinois Tool Works Inc.
Matthew D. Roman
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CURRENT CONTROL BRUSH ASSEMBLY
Publication number
20130005158
Publication date
Jan 3, 2013
Illinois Tool Works Inc.
Jason Richardson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SHAFT CURRENT CONTROL BRUSH RING ASSEMBLY
Publication number
20120212875
Publication date
Aug 23, 2012
Illinois Tool Works, Inc.
Hieyoung W. Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SHAFT CURRENT CONTROL BRUSH RING ASSEMBLY
Publication number
20110216466
Publication date
Sep 8, 2011
Illinois Tool Works, Inc.
Hieyoung W. Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
EMI SHIELDING AND ENVIRONMENTAL SEAL DEVICE
Publication number
20090129043
Publication date
May 21, 2009
Hieyoung W. Oh
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WELDING CONTACT TIP WITH CONDUCTIVE BRUSH
Publication number
20080272101
Publication date
Nov 6, 2008
Illinois Tool Works Inc.
Hieyoung W. Oh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
GROUNDING BRUSH SYSTEM FOR MITIGATING ELECTRICAL CURRENT ON ROTATIN...
Publication number
20080258576
Publication date
Oct 23, 2008
Hieyoung W. Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Grounding system for a rotating shaft
Publication number
20070159763
Publication date
Jul 12, 2007
Michael P. Barnard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Flexible conductive static control brush assembly
Publication number
20070039110
Publication date
Feb 22, 2007
Michael P. Barnard
A46 - BRUSHWARE
Information
Patent Application
Shaft current control brush ring assembly
Publication number
20060007609
Publication date
Jan 12, 2006
Hieyoung W. Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER