Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11377794 | Pulp washer mist eliminator and foam remover system | — | 2022-07-05 |
| 6630014 | Mist eliminator | — | 2003-10-07 |
| 6190438 | Mist eliminator | — | 2001-02-20 |
| 5466335 | Paper pulp washing | — | 1995-11-14 |
| 5367894 | Apparatus and method for washing cellulosic pulp | Michael A. Sieron, Peter Seifert, David E. Chupka | 1994-11-29 |
| 5275024 | Paper pulp washing | — | 1994-01-04 |
| 5221437 | Screening apparatus for paper making stock | Michael A. Sieron, Peter Seifert | 1993-06-22 |