Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7399451 | Pollution control | — | 2008-07-15 |
| 7332136 | Airbox in a regenerative thermal oxidiser | — | 2008-02-19 |
| 6903708 | Viewing instrument | Stefan Witte | 2005-06-07 |
| 6883309 | Method and device for treatment of a gas flow | Edward Jobson | 2005-04-26 |
| 6845612 | NOx-reducing catalyst with temperature regulation of exhaust gas | Edward Jobson, Mikael Larsson, Stefan Witte | 2005-01-25 |
| 6361471 | Method for combustion engine control | — | 2002-03-26 |
| 6207116 | Catalytic purification device | — | 2001-03-27 |
| 6191745 | Antenna | — | 2001-02-20 |
| 6168770 | Method of removing nitrogen oxides from a gas flow by using a combustion engine | — | 2001-01-02 |
| 5997277 | Method and a device for recovery of energy from media containing combustible substances even at low concentration | Åke KÄLLSTRAND | 1999-12-07 |
| 5569031 | Combustion device | — | 1996-10-29 |
| 4741690 | Process for combustion or decomposition of pollutants and equipment therefor | — | 1988-05-03 |
| 4538048 | Welding method and equipment therefor | — | 1985-08-27 |
| 4402279 | Treatment chamber | Stefan Witte | 1983-09-06 |
| 4283250 | Solution-concentrating apparatus | Carl-Hugo Abrahamson | 1981-08-11 |
| 4225656 | Solid electrolyte for electromechanical cells and method for the production thereof | Arnold Lunden, Arnold J. L. Kvist | 1980-09-30 |