Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11311100 | Double-layer foldable lifting desk with lever type unlocking structure | — | 2022-04-26 |
| 8852445 | Methods and apparatus for treating water and wastewater employing a cloth disk filter | Jeffrey S. Devine, Charles G. Dannemann | 2014-10-07 |
| 8778174 | Methods and apparatus for treating water and wastewater employing a cloth disk filter | Jeffrey S. Devine, Charles G. Dannemann | 2014-07-15 |
| 8152998 | Screenless granular media filters and methods of use | Jeffrey S. Devine | 2012-04-10 |
| 6790351 | Vertical filter | James E. Thompson, Jeffrey S. Devine | 2004-09-14 |
| 6641737 | Vertical filter | James E. Thompson, Jeffrey S. Devine | 2003-11-04 |
| 6517712 | Descending bed filter | James E. Thompson, Jeffrey S. Devine | 2003-02-11 |
| 6319413 | Method of filtering liquid using a vertical filter | James E. Thompson, Jeffrey S. Devine | 2001-11-20 |
| 5730886 | Continuous self-cleaning filtration unit | Anthony M. Wachinski, Jaime Bengoechea | 1998-03-24 |
| 5582722 | Continuous self-cleaning filtration unit | Anthony M. Wachinski, Jaime Bengoechea | 1996-12-10 |