Lincoln Electronic, Inc.
91Patents
0Active
91Granted
40Portfolio score
Filing activity: May 15, 1974 → Jan 25, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6624388B1 | System and method providing distributed welding architecture | Electricity | 345 | Expired |
| US5278390A | System and method for controlling a welding process for an arc welder | Performing Operations; Transporting | 228 | Expired |
| US5148001A | System and method of short circuiting arc welding | Physics | 127 | Expired |
| US5816466A | Wire feeding apparatus | Performing Operations; Transporting | 123 | Expired |
| US5001326A | Apparatus and method of controlling a welding cycle | Performing Operations; Transporting | 112 | Expired |
| US4954691A | Method and device for controlling a short circuiting type welding system | Performing Operations; Transporting | 108 | Expired |
| US5277314A | Retainer ring for welding wire container disclosure | Performing Operations; Transporting | 96 | Expired |
| US4866247A | Apparatus and method of short circuiting arc welding | Performing Operations; Transporting | 93 | Expired |
| US4897523A | Apparatus and method of short circuiting arc welding | Performing Operations; Transporting | 88 | Expired |
| US5208436A | Plasma torch with identification circuit | Electricity | 87 | Expired |
| US5742029A | Method of welding wallpaper alloy an arc welder modified to practice same | Performing Operations; Transporting | 73 | Expired |
| US5796067A | Plasma arc torches and methods of operating and testing the same | Electricity | 73 | Expired |
| US5856647A | Drag cup for plasma arc torch | Electricity | 70 | Expired |
| US5819934A | Wire transport drum | Performing Operations; Transporting | 68 | Expired |
| US4972064A | Apparatus for short circuiting arc welding | Performing Operations; Transporting | 67 | Expired |
| US5726415A | Gas cooled plasma torch | Electricity | 62 | Expired |
| US4717807A | Method and device for controlling a short circuiting type welding system | Performing Operations; Transporting | 62 | Expired |
| US5692700A | Covers for welding wire reels | Performing Operations; Transporting | 61 | Expired |
| US4947021A | Method and apparatus for TIG welding | Performing Operations; Transporting | 61 | Expired |
| US4929811A | Plasma arc torch interlock with disabling control arrangement system | Electricity | 57 | Expired |
| US5351175A | Inverter power supply for welding | Electricity | 56 | Expired |
| US5893985A | Plasma arc torch | Electricity | 54 | Expired |
| US5369244A | Flux cored arc welding electrode | Performing Operations; Transporting | 53 | Expired |
| US5553810A | Covers for welding wire reels | Performing Operations; Transporting | 53 | Expired |
| US4246463A | Method and apparatus for arc welding of metal plates from one side only | Performing Operations; Transporting | 52 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.