Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279647 | Method and device for sensing a clearance | Kurt Karlsson | 2001-08-28 |
| 6119764 | Device of a rotary regenerative heat exchanger | Kurt Karlsson | 2000-09-19 |
| 5411387 | Rotary displacement compressor having adjustable internal volume ratio and a method for regulating the internal volume ratio | Hakan Saletti | 1995-05-02 |
| 5137439 | Screw rotor machine with De Laval nozzle for noise reduction | — | 1992-08-11 |
| 4923374 | Method for producing pressure pulses in a mass of gas and a device for performing the method | Birger Pettersson | 1990-05-08 |