Sihi GmbH
2Patents
1Active
2Granted
31Portfolio score
Filing activity: Oct 18, 1977 → Jun 7, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4149574A | Apparatus for filling a hollow and closed system provided with only one filling aperture | Emerging Cross-Sectional Technologies | 12 | Expired |
| US10833307B2 | Separators for electrochemical cells | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.