Ostbergs Fabriks AB
7Patents
0Active
7Granted
23Portfolio score
Filing activity: Oct 10, 1973 → Jun 8, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4412777A | Device for a felling and gripping unit | Performing Operations; Transporting | 12 | Expired |
| US4371017A | Forest thinning device | Human Necessities | 4 | Expired |
| US4039009A | Hydraulic control system for a tree felling unit | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4513799A | Method of cutting substantially horizontal cantilevered objects such as logs, and apparatus for carrying out the method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3972430A | Crane jib arrangement | Performing Operations; Transporting | 2 | Expired |
| US4069846A | Device for extracting tree stumps | Fixed Constructions | 2 | Expired |
| US4048733A | Device for use in removal of stumps | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.