Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477018 | Moisture-detecting, switching device and a method of forming the same | Per Hedmark | 1995-12-19 |
| D341608 | Submersible mixer | — | 1993-11-23 |
| 5237228 | Submersible machine | — | 1993-08-17 |
| D306033 | Submersible mixer | Ingvar Karlsson | 1990-02-13 |
| 4721392 | Method and a device for installation of a mixer | Roland Narholm, Bengt Thomaeus | 1988-01-26 |
| D291911 | Submersible unit for mixing and aeration of industrial effluent or the like | — | 1987-09-15 |
| 4653977 | Pump for mixing and pumping liquids | — | 1987-03-31 |