Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522635 | Method and device for varying a d.c. voltage connected to an electrostatic dust separator | — | 1985-06-11 |
| 4490159 | System and method for controlling energization of electrodes in electrostatic dust separators | — | 1984-12-25 |
| 4486704 | Control device for an electrostatic dust separator | Alf G. Gustafsson | 1984-12-04 |