Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918916 | Method for transferring water from combustion gases to air of combustion | — | 1990-04-24 |
| 4611652 | Method of preventing corrosion in boiler-plant equipment | Ragnar L. H. Bernstein | 1986-09-16 |
| 4519439 | Method of preventing formation of segregations during continuous casting | Hasse Fredriksson | 1985-05-28 |
| 4493363 | Method at continuous casting of steels and metal alloys with segregation tendency and apparatus for carrying out the method | Hasse Fredriksson | 1985-01-15 |