Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8626456 | Methods for determining a remaining useful life of an air filter | Joseph K. Moore, Terry W. Ostan, Lei Li, Jackson L. Bahm, Philip J. Fikany +2 more | 2014-01-07 |
| 7591173 | Method and apparatus for monitoring the restriction level of a vehicular air filter element | Scott J. Benscoter, Lawrence A. Staat, Steven J. Mc Cormick, Roger G. Van Vechten | 2009-09-22 |
| 5606311 | Air filter diagnostic | Jeffrey M. Polidan, Jacqueline A. Jolliffe | 1997-02-25 |