Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071921 | Method to supply electric current to a tube furnace | — | 2011-12-06 |
| 7993130 | Method of combustion with the aid of burners in industrial furnaces, and a burner to this end | Pauli Mäenpää, Jörgen Sjöberg, Ole Stadum | 2011-08-09 |