Osa AB
15Patents
0Active
15Granted
31Portfolio score
Filing activity: Dec 6, 1982 → Sep 13, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4742854A | Feeding device for effecting a longitudinally directed relative movement between a stem and the device proper | Human Necessities | 19 | Expired |
| US4766939A | Assembly for limbing tree stems | Human Necessities | 17 | Expired |
| US5308216A | Forwarder | Performing Operations; Transporting | 16 | Expired |
| US4984961A | Method for handling and transporting logs from felling site to consumer, and road vehicle for carrying out the method | Human Necessities | 13 | Expired |
| US4881865A | Forest machine with crane | Human Necessities | 11 | Expired |
| US4989652A | Rotor for crane-mounted working implements, especially tree-processing units | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4838328A | Method for mechanized thinning of a forest, and a harvester and forwarder for carrying out the method | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4574854A | Bundle limbing device | Human Necessities | 7 | Expired |
| US4834156A | Tree stem feeding device for timber harvesters | Performing Operations; Transporting | 7 | Expired |
| US4828125A | Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground | Fixed Constructions | 6 | Expired |
| US4665961A | Machine for limbing trees arranged in bundles, especially small trees | Human Necessities | 3 | Expired |
| US4579157A | Mobile forest thinning machine | Human Necessities | 3 | Expired |
| US4549588A | Method and an apparatus for cross-cutting tree stems to pre-determined lengths | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4476755A | Device at automatic marking of continuously advanced tree stems | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4546805A | Device for rotator and grapple unit suspended at a boom end | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.