Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566533 | Apparatus for cleaning heat exchanger pipes and methods of operating an apparatus of this type | Klaus Eimer, Harald Littek, Johannes Nasse | 1986-01-28 |
| 4556102 | Batch-type scrubbing-ball replacement system for heat exchanger | Klaus Eimer, Alois Lange, Xuan Luong Nghiem | 1985-12-03 |
| 4554965 | Ball-measuring system for self-cleaning heat exchanger | Klaus Eimer, Alois Lange, Xuan Luong Nghiem | 1985-11-26 |
| 4383346 | Cleaning member for cleaning the interior of heat exchanger tubes | Klaus Eimer, Hans-Werner Schildmann, Gunther Schmitz | 1983-05-17 |