Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848406 | Sealing device for a pipeline, in particular for a loop line of a steam generator hemisphere | Jakob Stauner | 1989-07-18 |
| 4844021 | Cleaning device for heat exchangers having tube bundles, in particular for the tube sheet and spacer plate region | — | 1989-07-04 |