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| All Patents in class 314/129 | |||||
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| Number | Date | Patentee | Title | Type | |
| 335,786 | Feb. 09, 1886 | N. Tesla | Electric-Arc Lamp | electric arc lamps | |
| 678,208 | Jul. 09, 1901 | C.H. Way | Inclosed Arc Lamp | electric arc lamps | |
| 1,827,245 | Oct. 13, 1931 | C.C. Peck, J.F. Lincoln | Arc Welding | welding machines | |
| 2,957,101 | Oct. 18, 1960 | C.R. Barkley | Electrical contactor device for continuous feed, consumable electrode-type welding apparatus | welding machines | |