Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8415447 | Polyolefin coated steel pipes | Cecilia Rydin, James McGoldrick, Siegfried Liedauer | 2013-04-09 |
| 7462307 | Singlelayer and multilayer polyolefin foam pipes | Achim Hesse, Carl-Gustaf Ek, Cecilia Rydin, Allan Boye Hansen | 2008-12-09 |
| 6986922 | Singlelayer and multilayer polyolefin foam pipes | Achim Hesse, Carl-Gustaf Ek, Cecilia Rydin | 2006-01-17 |