Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Societe dEActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3141835A | Method and apparatus for determining oxygen in a molten hal… | Expired / Lapsed | 1961-02-02 | 1964-07-21 | 2 | Details |
| US3089064A | Combined permanent magnet and electromagnet | Expired / Lapsed | 1959-02-03 | 1963-05-07 | 2 | Details |
| FR1309300A | Aluminum fluoride manufacturing process | Expired / Lapsed | 1961-10-02 | 1962-11-16 | 0 | Details |
| FR1291661A | Improvement in devices for introducing materials into chamb… | Expired / Lapsed | 1961-03-15 | 1962-04-27 | 0 | Details |
| US2664349A | Method of precipitating solid particles from a suspension o… | Expired / Lapsed | 1949-07-25 | 1953-12-29 | 2 | Details |
| US2463413A | Manufacture of permanent oxide magnets | Expired / Lapsed | 1945-04-17 | 1949-03-01 | 0 | Details |
| FR800855A | Refractory product and its manufacturing process | Expired / Lapsed | 1935-04-18 | 1936-07-21 | 0 | Details |
| US1985308A | Electroplating of articles with chromium | Expired / Lapsed | 1933-07-28 | 1934-12-25 | 0 | Details |
| US1831023A | Process of manufacture of aluminum-silicon alloys | Expired / Lapsed | 1929-02-01 | 1931-11-10 | 0 | Details |