DH

Dennis D. Harwig

TW The Babcock & Wilcox: 4 patents #113 of 920Top 15%
EI Edison Welding Institute: 2 patents #12 of 75Top 20%
📍 Canton, OH: #121 of 654 inventorsTop 20%
🗺 Ohio: #13,499 of 73,341 inventorsTop 20%
Overall (All Time): #877,303 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6909066 Adaptive and synergic fill welding method and apparatus Bing Zheng, Ta-Chieh Huang, Constance Theresa Reichert 2005-06-21
6764640 Torch-based cutting tool John Talkington, Andy Joseph 2004-07-20
5624067 Method and apparatus for weld joining pipe sections John M. Sanders, Stephen William Manring 1997-04-29
5464957 Manual arc welding speed pacer J. Jeffrey Kidwell, Stuart E. Reed, Patrick M. Ryan, E. Allen Womack, Jr. 1995-11-07
5225654 Method for defect free keyhole plasma arc welding James Francis Hunt, Patrick M. Ryan, Walter J. Fisher 1993-07-06
5183989 Reduced heat input keyhole welding through improved joint design John M. Sanders 1993-02-02