Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10086352 | Conversion of nitrogen dioxide (NO2) to nitric oxide (NO) | David H. Fine, David R. Rounbehler, Gregory Vasquez | 2018-10-02 |
| 9587641 | Integrated reciprocating primer drive arrangement | Thomas Joseph Mettler, Mark Francis Haider, Henry Yinwah Tsang, Jason Adam Smith, Robert Allen Johnson | 2017-03-07 |
| 9408994 | Conversion of nitrogen dioxide (NO2) to nitric oxide (NO) | David H. Fine, David R. Rounbehler, Gregory Vasquez | 2016-08-09 |
| D693850 | Pump shroud | Mark Francis Haider, Thomas Joseph Mettler, Henry Yinwah Tsang, Jason Adam Smith, Robert Allen Johnson | 2013-11-19 |
| D682886 | Pump shroud | Mark Francis Haider, Thomas Joseph Mettler, Henry Yinwah Tsang, Jason Adam Smith, Robert Allen Johnson | 2013-05-21 |
| 5332502 | Wastewater treatment | Denys Wickens, Mervyn Ogston | 1994-07-26 |