Allegheny Ludlum Corp
AlleghenyActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4501316A | Method of casting amorphous metals | Expired / Lapsed | 1983-08-31 | 1985-02-26 | 3 | Details |
| US3929522A | Process involving cooling in a static atmosphere for high p… | Expired / Lapsed | 1974-11-18 | 1975-12-30 | 17 | Details |
| US3855018A | Method for producing grain oriented silicon steel comprisin… | Expired / Lapsed | 1973-05-07 | 1974-12-17 | 6 | Details |
| US3855019A | Processing for high permeability silicon steel comprising c… | Expired / Lapsed | 1973-05-07 | 1974-12-17 | 7 | Details |
| US3677073A | Method and apparatus for evaluating metal cleanliness | Expired / Lapsed | 1971-01-27 | 1972-07-18 | 6 | Details |
| US3649893A | Synchronized driver for electrical utilization devices | Expired / Lapsed | 1970-08-11 | 1972-03-14 | 11 | Details |
| US3514840A | Method of fabricating narrow-width composites | Expired / Lapsed | 1968-04-18 | 1970-06-02 | 0 | Details |
| US2018085A | Method of making flat expanded grilles | Expired / Lapsed | 1934-05-29 | 1935-10-22 | 0 | Details |
| US1642168A | Ham boiler | Expired / Lapsed | 1925-04-01 | 1927-09-13 | 0 | Details |