Lincoln Electric Co
Lincoln ElActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4645917A | Swept aperture flying spot profiler | Expired / Lapsed | 1985-05-31 | 1987-02-24 | 28 | Details |
| US2666832A | Combined welding head and flux hopper for continuous welding | Expired / Lapsed | 1949-10-22 | 1954-01-19 | 0 | Details |
| US2536294A | Arc welding apparatus | Expired / Lapsed | 1947-05-22 | 1951-01-02 | 0 | Details |
| US2509654A | Fluxes for use in arc welding | Expired / Lapsed | 1947-08-14 | 1950-05-30 | 1 | Details |
| US2402937A | Apparatus for arc welding | Expired / Lapsed | 1943-07-13 | 1946-06-25 | 0 | Details |
| US2362505A | Welding | Expired / Lapsed | 1940-12-27 | 1944-11-14 | 0 | Details |
| US1989546A | Apparatus for electric welding | Expired / Lapsed | 1930-07-08 | 1935-01-29 | 0 | Details |
| US1884712A | Article for use in arc welding | Expired / Lapsed | 1928-06-14 | 1932-10-25 | 0 | Details |
| US1869351A | Method and apparatus for making pipe | Expired / Lapsed | 1928-02-25 | 1932-07-26 | 0 | Details |
| US1827245A | Arc welding | Expired / Lapsed | 1922-03-20 | 1931-10-13 | 0 | Details |
| US1826355A | Arc-welding | Expired / Lapsed | 1923-01-12 | 1931-10-06 | 0 | Details |
| US1604181A | Arc welding | Expired / Lapsed | 1923-02-23 | 1926-10-26 | 0 | Details |