Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223809 | Screening device for eliminating balls from a coolant line | Hans-Werner Schildmann | 2001-05-01 |
| 6070652 | Lock for balls for cleaning cooling systems | Hans-Werner Schildmann, Peter Schink | 2000-06-06 |