Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7343928 | Regulator insert with hydraulic damping in outlet | — | 2008-03-18 |
| 7066200 | Insert for dynamic flow control | Bjarne Ibsen | 2006-06-27 |
| 6058955 | Differential pressure valve for controlling a system having a heat carrying medium | David Griswold, Bjarne Ibsen, Steven Kurt Edwards | 2000-05-09 |
| 5178324 | Method of regulating a central or district heating plant by means of a differential pressure valve, and unit for working method | — | 1993-01-12 |