Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279647 | Method and device for sensing a clearance | Stig Lundin | 2001-08-28 |
| 6119764 | Device of a rotary regenerative heat exchanger | Stig Lundin | 2000-09-19 |
| 5845700 | Rotary regenerative heat exchanger | Dag Westerlund | 1998-12-08 |
| 4953629 | Pack of heat transfer plates | Birger Pettersson | 1990-09-04 |
| 4889455 | Drill | Leif Karlsson | 1989-12-26 |
| 4648760 | Drill and cutting insert therefor | Leif Karlsson | 1987-03-10 |
| 4597726 | Screw compressor having two individually displaceable regulating slides | Frits Soderlund | 1986-07-01 |
| 4449573 | Regenerative heat exchangers | Birger Pettersson | 1984-05-22 |
| 4427054 | Rotary regenerative heat exchanger and method of operating same | — | 1984-01-24 |