| All Patents of Type: welder |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 432,652 | Jul. 22, 1890 | E. Thomson | Welding or other dynamo | welding |
| 2,102,481 | Dec. 14, 1937 | C.W. Noe | Dynamo motor | welding machines |
| 2,245,089 | Jun. 10, 1941 | J.M. Hargrave | Welder's clamp | welder |
| 2,511,050 | Jun. 13, 1950 | U.S. Dunn | Dual welder | welding machines |
| 2,572,455 | Oct. 23, 1951 | U.S. Dunn | Transformer for arc welding | welding machines |
| 2,787,826 | Apr. 09, 1957 | C.N. Aronson | Work holder | work holding |
| 3,039,766 | Jun. 19, 1962 | C.N. Aronson | Geared elevation work positioner | work holding |
| 5,086,208 | Feb. 04, 1992 | J.P. Habermann | Hand held electric arc welder | welder |
