Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640121 | Method for finding a leak in pressure-carrying vessels and apparatus for carrying out the method | Wilhelm Leuker, Bernhard Thiel | 1987-02-03 |
| 4428236 | Method of acoustic emission testing of steel vessels or pipelines, especially for nuclear reactor installations | Erwin Votava, Richard Sommer | 1984-01-31 |
| 4209779 | Method of monitoring equipment and system for carrying out the method | Wolfgang Beck, Horst Herzog | 1980-06-24 |