Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173036 | Method and an arrangement for controlling a linear motor | — | 1992-12-22 |
| 4581142 | Hydrocyclone | Leif N. Hovind | 1986-04-08 |
| 4316725 | Method and apparatus for deaerating liquid | Leif N. Hovind | 1982-02-23 |
| 4231870 | Process for regeneration of a filter medium | — | 1980-11-04 |