Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637947 | Method and apparatus for operating a generator supplying a high-frequency power to an ultrasonic transducer | Gerd Reitmayer, Mato Modric | 1997-06-10 |
| 5092175 | Apparatus for testing hardness under load | Immo Winckler, Andreas Wiese | 1992-03-03 |
| 4646571 | Method and apparatus for hardness measurement | Stephan Bergerhausen | 1987-03-03 |
| 4458534 | Ultrasonic transducer probe for providing beams with adjustable angle | — | 1984-07-10 |