Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618431 | Method for stabilizing the relationship between the filtering unit and a filter feed pump | James S. Paduchowski, Joseph D. Lima | 1986-10-21 |
| 4612116 | Backwashable filtering apparatus and novel filter element therefor | Joseph D. Lima | 1986-09-16 |
| 4549893 | Hot cullet handling apparatus | Lawrence L. Gerlach, Bruce A. Wallace | 1985-10-29 |
| 4482461 | Backwash control for constant volume-pressure filtration system | Norman E. Wood, David N. Foster, D. Stephans Damtoft, Jr., James S. Paduchowski | 1984-11-13 |