Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281725 | Method for constructing a pipeline portion of a pipe system, and pipeline portion of a pipe system in a heating network | Bastian WELSCH, Markus SCHEDEL, Julian FORMHALS | 2025-04-22 |
| 5597045 | Process and tool for laying underground collector mains for liquids and gases | Hans-Joachim Bayer, Klaus Kleiser, Jorg Ganger | 1997-01-28 |