Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084074 | Devices and techniques relating to landfill gas extraction | Andrew J. Campanella, Melinda Sims, Ian Martin | 2021-08-10 |
| 11067549 | Designs for enhanced reliability and calibration of landfill gas measurement and control devices | Andrew J. Campanella, Ian Martin, Joseph G. Michels, Peter Quigley | 2021-07-20 |
| 11007555 | Devices and techniques relating to landfill gas extraction | Andrew J. Campanella, Melinda Sims, Ian Martin | 2021-05-18 |