Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554021 | Apparatus for shock-like flushing in a liquid system | — | 2003-04-29 |
| 6449781 | Apparatus for flushing in a liquid system | — | 2002-09-17 |
| 6216733 | Apparatus for the distribution of water or other liquids | — | 2001-04-17 |
| 4681688 | Tubular trash net for pre-treating sewage, with replaceable net cassette | Jan O. From | 1987-07-21 |