Erik Vilhelm Persson
9Patents
2h-index
14Co-inventors
48Inventor score
Filing activity: Aug 11, 1980 → Dec 19, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8302702B2 | Torque sensing unit for a power tool and a power tool comprising such a torque sensing unit | Performing Operations; Transporting | 9 | Active |
| US4295113A | Sheet-wound transformer or reactor | Electricity | 2 | Expired |
| US8042622B2 | Electric power tool with swivelled cable connection | Electricity | 2 | Active |
| US10232497B2 | Power tool for tightening a fastener and a method | Performing Operations; Transporting | 0 | Active |
| USD603282S1 | Torque transducer body | General | 0 | Expired |
| US9482588B2 | Method and apparatus for evaluating clamp force in a bolt by means of ultra-sonic measurements | Physics | 0 | Active |
| US9186784B2 | Power wrench with a torque sensing unit | Performing Operations; Transporting | 0 | Active |
| US9921189B2 | Sensor unit for ultra sonic sound wave communication | Physics | 0 | Active |
| US9625334B2 | Method of measuring elongation of a fastener with ultrasound, performed by a power tool, and a power tool | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.