Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018797 | Supplemental filtration for machine fluid systems | John K. Apostolides | 2024-06-25 |
| 11221106 | Supplemental filtration for machine fluid systems | John K. Apostolides | 2022-01-11 |
| 10436390 | Supplemental filtration for machine fluid systems | John K. Apostolides | 2019-10-08 |
| 9759385 | Supplemental filtration for machine fluid systems | John K. Apostolides | 2017-09-12 |
| 7137789 | Vent for reducing seal pressure in pump assembly | John K. Apostolides, Ronald S. Lusco | 2006-11-21 |
| 6544008 | Internal vent for reducing seal pressure in prelubrication pump assembly | John K. Apostolides, Ronald S. Lusco | 2003-04-08 |
| 5411003 | Viscosity sensitive auxiliary circuit for hydromechanical control valve for timing control of tappet system | Walter W. Eberhard, Paul Douglas Free, Jerome Long, David A. Olson | 1995-05-02 |