Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849220 | Method for producing polymer rotors | Mats Sundstrom | 2005-02-01 |
| 6695602 | Bacterial growth inhibition in a circulation system comprising a compressor | Mats Sundstrom, Henrik Ohman | 2004-02-24 |
| 6506027 | Two stage compressor and a method for cooling such a compressor | — | 2003-01-14 |
| 6461119 | Lift valve for a rotary screw compressor | — | 2002-10-08 |
| 6302667 | Oil-free screw rotor apparatus | Mats Sundstrom | 2001-10-16 |
| 5860801 | Rotary screw compressor with unloading means | — | 1999-01-19 |
| 5727936 | Rotary displacement compressor with liquid circulation system | Leif Eriksson | 1998-03-17 |
| 5707223 | Rotary screw compressor having a thrust balancing piston device and a method of operation thereof | Arnold Englund | 1998-01-13 |
| 5678987 | Rotary screw compressor with variable thrust balancing means | — | 1997-10-21 |
| 5641280 | Rotary screw compressor with shaft seal | — | 1997-06-24 |
| 5310320 | Rotor for a rotary screw machine having internal member and external shell made of pressed metal powder | — | 1994-05-10 |
| 5281115 | Rotary screw machine having thrust balancing means | — | 1994-01-25 |
| 5219499 | Method for manufacturing screw rotors | — | 1993-06-15 |
| 5011389 | Rotor for a rotary screw machine | — | 1991-04-30 |
| 4761124 | Screw-type rotary machine having at least one rotor made of a plastics material | Ulf Sjolin | 1988-08-02 |
| 4758138 | Oil-free rotary gas compressor with injection of vaporizable liquid | — | 1988-07-19 |