Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072006 | Devices and techniques relating to landfill gas extraction | Andrew J. Campanella, Joseph G. Michels, Ian Martin | 2021-07-27 |
| 11067549 | Designs for enhanced reliability and calibration of landfill gas measurement and control devices | Andrew J. Campanella, Ian Martin, Joseph G. Michels, Nathan Pallo | 2021-07-20 |
| 10946420 | Landfill gas extraction control system | Ian Martin, Joseph G. Michels, Melinda Sims | 2021-03-16 |
| 10882086 | Landfill gas extraction systems and methods | Ian Martin, Nicole Neff, Jack Rowbottom | 2021-01-05 |