Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4284417 | Method for controlling electric power supplied to corona generating electrodes in an electrostatic precipitator | Karl Wieber, James A. Sholly | 1981-08-18 |
| 4267502 | Precipitator voltage control system | Karl Wieber, James T. Hartman | 1981-05-12 |