DD

Douglass A. Demers

TD Thermal Dynamics: 2 patents #29 of 73Top 40%
VE Victor Equipment: 1 patents #36 of 77Top 50%
📍 Enfield, NH: #20 of 65 inventorsTop 35%
🗺 New Hampshire: #4,150 of 12,181 inventorsTop 35%
Overall (All Time): #1,603,431 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10420200 Automated gas cutting system with auxiliary torch Roger H. Lambert, David A. Tatham, Michael Sawchik, Jake Brandis, Michael Wolfinger +6 more 2019-09-17
6773304 Tamper resistant pin connection Christopher J. Conway, Fred Rogers, Darrin H. MacKenzie 2004-08-10
6713711 Plasma arc torch quick disconnect Christopher J. Conway, Fred Rogers, Darrin H. MacKenzie, Stewart Trent Adams, Joseph P. Jones 2004-03-30