Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461577 | Two-stage bioleaching of sulphidic material containing arsenic | Börje Lindström, Jan-Eric Sundkvist | 2002-10-08 |
| 5961940 | Method for the treatment of bismuth-containing sulphide ores or concentrates of such ore | Jan-Erik Sundkvist | 1999-10-05 |
| 5942679 | Compaction index | — | 1999-08-24 |
| 5727900 | Control of a compacting machine with a measurement of the characteristics of the ground material | — | 1998-03-17 |
| 5695298 | Control of a compacting machine | — | 1997-12-09 |
| 5397380 | Method for processing complex metal sulphide materials | Stig A. Petersson | 1995-03-14 |
| 4870601 | Method to estimate the degree of compaction obtained at compaction and means to measure the degree of compaction for carrying out the method | — | 1989-09-26 |
| 4647247 | Method of compacting a material layer and a compacting machine for carrying out the method | — | 1987-03-03 |
| 4467652 | Procedure and device for compaction measurement | Geodynamik H. Thurner AB | 1984-08-28 |
| 4308751 | Method for investigating an anchored rod-like body having an accessible end, and apparatus for carrying out the method | Heinz Thurner, Christer Svensson | 1982-01-05 |