Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955700 | Snap together filter | Anthony J. Angelo, Craig M. Wilson | 2005-10-18 |
| 6802425 | Biological fluid filtration method and apparatus | Chaouki A. Khamis | 2004-10-12 |
| 6692639 | Stacked conical filtration or separation apparatus | Patrick Richard Spearman, Michael R. Spearman | 2004-02-17 |
| D475787 | Filter | Anthony J. Angelo, Craig M. Wilson | 2003-06-10 |
| 6517725 | Oil dehydrator | Michael R. Spearman, John H. Burban, Mathews Thundyil | 2003-02-11 |
| 6508859 | Method and apparatus for removing air or gas from fluid | Eric M. Hollnagel, Craig J. Cuta | 2003-01-21 |
| 6478953 | Oil filter and dehydrator | Michael R. Spearman, David Kolstad, John H. Burban, Craig J. Cuta, Mathews Thundyil | 2002-11-12 |
| 6427847 | Biological fluid filter | Chaouki A. Khamis | 2002-08-06 |
| 6171493 | Biological fluid filtration apparatus | Chaouki A. Khamis | 2001-01-09 |
| 6123076 | Hydrophobic barrier for filters and filter media | Keith A. Roberts, Michael R. Spearman, John H. Burban, Rochelle Marie Mickschl | 2000-09-26 |