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Dennis D. Harwig
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Canton, OH, US
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last 30 patents
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Patent Grant
Method and apparatus for weld joining pipe sections
Patent number
5,624,067
Issue date
Apr 29, 1997
The Babcock & Wilcox Company
Dennis D. Harwig
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Manual arc welding speed pacer
Patent number
5,464,957
Issue date
Nov 7, 1995
The Babcock & Wilcox Company
J. Jeffrey Kidwell
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for defect free keyhole plasma arc welding
Patent number
5,225,654
Issue date
Jul 6, 1993
The Babcock & Wilcox Company
Dennis D. Harwig
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Reduced heat input keyhole welding through improved joint design
Patent number
5,183,989
Issue date
Feb 2, 1993
The Babcock & Wilcox Company
John M. Sanders
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR