Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9254400 | Method for processing peroxygen solutions | John D. Hilgren, Roger J. Tippett | 2016-02-09 |
| 7708885 | Anaerobic digestion apparatus, methods for anaerobic digestion and for minimizing the use of inhibitory polymers in digestion | John L. Murphy | 2010-05-04 |
| 6623640 | Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation | John L. Murphy | 2003-09-23 |
| 6309553 | Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation | John L. Murphy | 2001-10-30 |