Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946211 | Polymer electrolyte membrane fuel cells | Niels J. Bjerrum, Qingfeng Li | 2005-09-20 |
| 6380444 | Process for the catalytic oxidation of hydrocarbons | Niels J. Bjerrum, Gang Xiao | 2002-04-30 |
| 5344722 | Phosphoric acid fuel cell | Niels J. Bjerrum, Xiao Gang, Christian Olsen, Rolf W. Berg | 1994-09-06 |