Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623350 | Extended-life oil management system and method of using same | Ronald P. Rohrbach, Gerard W. Bilski | 2017-04-18 |
| 8795522 | Lubricating oil conditioning filter containing improved pelletized conditioner | Peter D. Unger, Ronald P. Rohrbach, Zafar Hussain, Weston H. Gerwin, Daniel E. Bause | 2014-08-05 |