Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404836 | Focused flow filter | Katsushi Isogawa, Stanley B. Miller, III, Carl Soldner | 2008-07-29 |
| 7125433 | Dual diffusion channel filter | Patrick McPhail, Shu Lam Sin, Katsushi Isogawa | 2006-10-24 |
| 6936093 | Electronic enclosure filter | Katsushi Isogawa, Carl Soldner, Kristin Fischer, James Hand | 2005-08-30 |
| 6926761 | Electronic breather bag filter | Christopher M. Johnson, Patrick McPhail, Andre D. Leier | 2005-08-09 |
| 6726745 | Filter assembly with shaped adsorbent article; and devices and methods of use | Daniel L. Tuma, Andrew Dahlgren, Randy J. Logan | 2004-04-27 |
| 6491741 | Filter assembly with shaped adsorbent article; and devices and methods of use | Daniel L. Tuma, Andrew Dahlgren, Randy J. Logan | 2002-12-10 |
| 6168651 | Filter assembly with shaped adsorbent article; and devices and methods of use | Daniel L. Tuma, Andrew Dahlgren, Randy J. Logan | 2001-01-02 |
| 6146446 | Filter assembly with shaped adsorbent article; and devices and methods of use | Daniel L. Tuma, Andrew Dahlgren | 2000-11-14 |