Allegheny Ludlum Steel Corp
AlleghenyActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4484614A | Method of and apparatus for strip casting | Expired / Lapsed | 1982-07-06 | 1984-11-27 | 42 | Details |
| US4479528A | Strip casting apparatus | Expired / Lapsed | 1982-07-02 | 1984-10-30 | 22 | Details |
| US3432288A | Process control of top-blown oxygen converter | Expired / Lapsed | 1966-06-29 | 1969-03-11 | 0 | Details |
| US2810643A | Titanium base alloys | Expired / Lapsed | 1953-08-13 | 1957-10-22 | 2 | Details |
| US2743492A | Apparatus for controlling the flow of molten metal | Expired / Lapsed | 1953-04-20 | 1956-05-01 | 2 | Details |
| US2711960A | Titanium base alloys with aluminum, manganese, and chromium | Expired / Lapsed | 1953-11-17 | 1955-06-28 | 2 | Details |
| US2640860A | Apparatus for melting titanium to form ingots | Expired / Lapsed | 1949-10-21 | 1953-06-02 | 0 | Details |
| US2598889A | Pickling chromium alloys | Expired / Lapsed | 1947-07-18 | 1952-06-03 | 2 | Details |
| US2320260A | Columbium-bearing austenitic steel and articles produced th… | Expired / Lapsed | 1940-11-22 | 1943-05-25 | 0 | Details |
| US2145068A | Tile and tile assembly | Expired / Lapsed | 1937-10-01 | 1939-01-24 | 0 | Details |