Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935102 | Method of controlling the concentration of nitrogen oxides, hydrocarbons and carbon monoxide in conjunction with the cleansing of emission gases | — | 2005-08-30 |
| 6799439 | Method for equalizing temperature differences in molten glass, and equipment therefor | Paul Buettiker | 2004-10-05 |
| 6425754 | Method of purifying waste gases, and a gas burner | — | 2002-07-30 |
| 4376245 | Electrical heating element | Ingvar Oderstig, Lars-Erik Berg | 1983-03-08 |