Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110367 | Closed device for treatment of drilling fluids and cuttings | Ole Dagfinn Jensen | 2000-08-29 |
| 5158613 | Cement slurry | Jon P. Sargeant, Asbjorn Vonheim | 1992-10-27 |
| 4619173 | Method and apparatus for lifting pieces of material | Rolf E. Goransson | 1986-10-28 |
| 4528883 | Apparatus for dividing aerated concrete blocks | Rolf E. Goransson | 1985-07-16 |
| 4329178 | Method in the manufacture of steam-cured light-weight aerated concrete with hydrophobic properties | Carl-Henry Krill, Percy Svensson, Knut Helmersson | 1982-05-11 |
| 4197077 | Apparatus for use in manufacturing of cellular lightweight concrete slabs | Gosta Harald Eriksson, Percy Svensson, Rolf E. Goransson | 1980-04-08 |