Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9625334 | Method of measuring elongation of a fastener with ultrasound, performed by a power tool, and a power tool | Erik Vilhelm Persson, Jarl Huldén | 2017-04-18 |
| 9515535 | Transformer including a contactless signal connection | — | 2016-12-06 |
| 9021896 | Method for determining the quality of a screw joint tightening process performed by an impulse wrench | Tobias Axel Lindback | 2015-05-05 |
| 8601877 | Method and device for ultrasonic measurements | Erik Thomas Bergkvist, Lars Rickard Eriksson, Jarl Huldén | 2013-12-10 |
| 8578793 | Test method and tool for testing fastened fasteners | — | 2013-11-12 |
| 7702493 | Method for quality assurance of screw joint tightening | Bo Lennart Hellmark | 2010-04-20 |
| 4259869 | Method and apparatus for inspection and fail-safe control of threaded joint tightening processes | — | 1981-04-07 |