Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6090298 | Method and apparatus for cleaning filter material in a filter apparatus utilizing a suction generating assembly | — | 2000-07-18 |
| 5374360 | Method and apparatus for cleaning a filter apparatus | — | 1994-12-20 |
| 4733972 | Floating mixer apparatus with foam dispersing spray | — | 1988-03-29 |
| 4695376 | Floating decanter | Gordon L. Astrom, Wesley M. Shubert | 1987-09-22 |