Stefan Kullberg
11Patents
4h-index
22Co-inventors
56Inventor score
Filing activity: Oct 23, 2003 → Jan 21, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD574207S1 | Chain saw body | General | 23 | Expired |
| US8490289B2 | Handle joined of two sections for a hand held engine powered tool | Performing Operations; Transporting | 9 | Expired |
| US10334778B2 | Quick loading trimmer head | Human Necessities | 7 | Active |
| US10517209B2 | Quick loading trimmer head | Human Necessities | 5 | Active |
| US8051743B2 | Throttle control device for a hand held tool | Emerging Cross-Sectional Technologies | 4 | Active |
| US8881408B2 | Joint protecting member for combined fuel and handle unit | Performing Operations; Transporting | 3 | Active |
| US9797359B2 | Starting device for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8225755B2 | Flexible intake system for a two-stroke internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10874046B2 | Quick loading trimmer head and trimmer thereto | Human Necessities | 0 | Active |
| US10918015B2 | Automatic line feed for trimmer | Human Necessities | 0 | Active |
| US12114596B2 | Trimmer head and trimmer | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.