Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953629 | Pack of heat transfer plates | Kurt Karlsson | 1990-09-04 |
| 4923374 | Method for producing pressure pulses in a mass of gas and a device for performing the method | Stig Lundin | 1990-05-08 |
| 4569330 | Solar-energy collector that is protected against corrosion | — | 1986-02-11 |
| 4449573 | Regenerative heat exchangers | Kurt Karlsson | 1984-05-22 |