Hubert Eirich
6Patents
0Active
6Granted
30Portfolio score
Filing activity: Jan 21, 1982 → Nov 17, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4997357A | Apparatus for treatment of power station residues | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4998678A | Agitator ball mill | Performing Operations; Transporting | 24 | Expired |
| US4624003A | Apparatus for heating electrically conductive bulk materials | Electricity | 15 | Expired |
| US4489862A | Device for the controllable removal of bulk materials from containers | Performing Operations; Transporting | 10 | Expired |
| US4516859A | Apparatus for closing a discharge opening in a rotary table | Performing Operations; Transporting | 8 | Expired |
| US4560283A | Apparatus for closing and continuously emptying the container of a treatment machine | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.