Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4692174 | Ionizer assembly having a bell-mouth outlet | Walter V. Piulle, Louis F. Rettenmaier | 1987-09-08 | |
| 4308494 | Thyristor power controller for an electrostatic precipitator | Clifford Mason, Jerry F. Shoup | 1981-12-29 | $2,533,000 |
| 4305736 | Cleaning of high-voltage electrodes in an electrostatic precipitator | Melvin R. Kahl | 1981-12-15 | $4,503,000 |
| RE30480 | Electric field directed control of dust in electrostatic precipitators | — | 1981-01-13 |