Allper AG
3Patents
1Active
3Granted
34Portfolio score
Filing activity: Feb 9, 1990 → Oct 11, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5048592A | Plunger for a diecasting machine | Performing Operations; Transporting | 24 | Expired |
| US5233912A | Piston for forcing liquid metal out of a casting cylinder | Emerging Cross-Sectional Technologies | 21 | Expired |
| US8136574B2 | Multi-piece piston for a cold chamber casting machine | Performing Operations; Transporting | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.