Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876986 | Heat regenerator to recover both sensible and heat of condensation of flue gases | — | 1989-10-31 |
| 4874585 | Economic recovery and utilization of boiler flue gas pollutants | Robert L. Sackett | 1989-10-17 |
| 4813473 | Heat regenerator to recover both sensible and heat condensation of flue gases | — | 1989-03-21 |
| 4802897 | Recovery of gases from non-viscous solvents | — | 1989-02-07 |