Powerscreen International Limited
4Patents
0Active
4Granted
26Portfolio score
Filing activity: Nov 11, 1975 → Apr 5, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4058198A | Conveyor assembly | Performing Operations; Transporting | 29 | Expired |
| US4983280A | Screening apparatus | Performing Operations; Transporting | 28 | Expired |
| US4879023A | Conveyor assembly | Performing Operations; Transporting | 8 | Expired |
| USD244925S | Screening apparatus for quarrying | General | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.