Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5129766 | Aeration tube discharge control device | Hendricus A. Dirkse, Johannes E. G. Ploeg, Rudi Everts, Andrew M. Scott, Thomas S. Dewitz +2 more | 1992-07-14 |
| 5106240 | Aerated discharge device | Hendricus A. Dirkse, Andrew M. Scott, Thomas S. Dewitz, Charles M. Arbore, Uday Mahagaokar +1 more | 1992-04-21 |
| 4863500 | Apparatus for solids-fluid separation | Jouke J. Woudstra | 1989-09-05 |