Sirma S.p.A.
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Dec 26, 1984 → Sep 23, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4738753A | Method of producing carbonaceous bodies | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4674975A | Method and tunnel type furnace for calcining carbonaceous bodies, in particular electrodes | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4730339A | Method of calcining carbonaceous bodies, in particular electrodes, in either continuous or intermittent furnaces, and a containment structure for the implementation thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4615676A | Calcining method and enclosure structure therefor | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.