Voest-Alpine Schienen GmbH & Co. KG
3Patents
0Active
3Granted
23Portfolio score
Filing activity: May 12, 2000 → Dec 3, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6432230B1 | Process and device for hardening a rail | Chemistry; Metallurgy | 10 | Expired |
| US6689228B2 | Device for tempering rolled stock of great length | Chemistry; Metallurgy | 4 | Expired |
| US6224694A | Method for heat-treating profiled rolling stock | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.