Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458235 | System for recovering minerals from the seabed | John Halkyard, Richard Petters, Douglas Maxwell, Michael R. Anderson | 2019-10-29 |
| 8146362 | OTEC system | Robert J. Howard, Nicholas J. Nagurny, John W. Rapp | 2012-04-03 |
| 8117843 | Ocean thermal energy conversion system | Robert J. Howard, Nicholas J. Nagurny, John W. Rapp | 2012-02-21 |