Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10561968 | Water separation filter | James S. Zielinski, Thomas F. Walker, Christopher J. Cichelli | 2020-02-18 |
| 10161537 | Valve | Jeffrey A. Maness, Thomas A. Ketzer, Anthony K. Beard, James S. Zielinski | 2018-12-25 |
| 9505334 | Valve | Jeffrey A. Maness, Thomas A. Ketzer, Anthony K. Beard, James S. Zielinski | 2016-11-29 |