Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445990 | Electrolytic reactor for cleaning wastewater | Joseph L. Weininger | 1984-05-01 |
| 4443414 | Process for separation of molybdenum from tungsten leachates | — | 1984-04-17 |
| 4406752 | Electrowinning of noble metals | Joseph L. Weininger | 1983-09-27 |
| 4329224 | Wastewater treatment process | — | 1982-05-11 |
| 4324776 | Mid-temperature H.sub.2 S removal process | — | 1982-04-13 |
| 4306946 | Process for acid recovery from waste water | — | 1981-12-22 |
| 4208902 | Gas concentration analysis method and system | John A. Quinn, David Graves | 1980-06-24 |