FERRUM AG
10Patents
3Active
10Granted
37Portfolio score
Filing activity: Sep 24, 1980 → Jan 3, 2018
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5567321A | Centrifugal filter | Performing Operations; Transporting | 7 | Expired |
| US4313373A | Apparatus for pitting dates or the like | Human Necessities | 4 | Expired |
| US5335474A | Apparatus for supplying containers to a sealing device | Performing Operations; Transporting | 4 | Expired |
| US7032759B2 | Pusher centrifuge | Performing Operations; Transporting | 4 | Expired |
| US10363500B2 | Double-action pusher centrifuge and pusher base device | Emerging Cross-Sectional Technologies | 2 | Active |
| US7025211B2 | Double pusher centrifuge | Performing Operations; Transporting | 2 | Expired |
| US7017756B2 | Multi-stage pusher centrifuge | Performing Operations; Transporting | 2 | Expired |
| US6547972B1 | Centrifuge with ejector for solids | Performing Operations; Transporting | 2 | Expired |
| US10639647B2 | Centrifuge with a feed device comprising a feed direction control and method of loading a centrifuge with a feed device comprising a feed direction control | Performing Operations; Transporting | 1 | Active |
| US10759551B2 | Ejection head for an ejection device of a sealing machine for sealing a container | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.