Issued Patents All Time
Showing 25 most recent of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10290880 | Fuel cell cathode balance of plant freeze strategy | Aaron Rogahn, Steven D. Burch, Michael Cartwright | 2019-05-14 |
| 9812721 | Dual seal anode drain / purge tube | Anthony G. Chinnici, Chad A. Dammar | 2017-11-07 |
| 9728799 | Fuel cell startup method for fast freeze startup | Steven D. Burch, Abdullah B. Alp, David A. Arthur, Dirk Wexel, Martin Fasse | 2017-08-08 |
| 9520604 | Slip stream for reliable anode to cathode flow in freeze conditions | James K. Leary, Ronald J. Daum | 2016-12-13 |
| 9379396 | Controls giving −25° C. freeze start capability to a fuel cell system | Aaron Rogahn, Jun Cai, Joseph C. Gerzseny, Manish Sinha, Steven D. Burch +1 more | 2016-06-28 |
| 9231263 | Selectively reacting to the minimum cell voltage drop rate in a fuel cell system | Derek R. Lebzelter, Balasubramanian Lakshmanan, Sriram Ganapathy, Sanja Sljivar-Lovria, Michael Kiefer | 2016-01-05 |
| 9070921 | Subzero ambient shutdown purge operating strategy for PEM fuel cell system | Michael Cartwright, Daniel I. Harris, Aaron Rogahn, Derek R. Lebzelter | 2015-06-30 |
| 8955820 | Ice breaking anode valve | Aaron Rogahn, James K. Leary, Seth E. Lerner, Michael Muller | 2015-02-17 |
| 8900766 | Automated cold storage protection for a fuel cell system | Aaron Rogahn, Michael Cartwright | 2014-12-02 |
| 8835065 | Fuel cell startup method for fast freeze startup | Steven D. Burch, Abdullah B. Alp, David A. Arthur, Dirk Wexel, Martin Fasse | 2014-09-16 |
| 8785067 | Wax elements as passive control devices in fuel cell power systems | Prem Menon, John J. Conley, David A. Masten | 2014-07-22 |
| 8722259 | Freeze tolerant introduction of hydrogen to cathode exhaust in a fuel cell system | Aaron Rogahn | 2014-05-13 |
| 8722218 | Diagnostic to determine a valve/line freeze-up or failure in a fuel cell bleed manifold unit | Patrick Frost | 2014-05-13 |
| 8642220 | Method to improve fuel cell system performance using cell voltage prediction of fuel cell stack | Yanyan Zhang, Sriram Ganapathy, Loren Devries | 2014-02-04 |
| 8617752 | Cold start compressor control and mechanization in a fuel cell system | Joseph Dean Rainville, Matthew C. Kirklin | 2013-12-31 |
| 8603690 | Methods and controls for hydrogen to cathode inlet of a fuel cell system | Steven D. Burch, Abdullah B. Alp, Jon R. Sienkowski, James K. Leary, Victor W. Logan +1 more | 2013-12-10 |
| 8574776 | Fuel cell system water management strategy for freeze capability | Jason R. Kolodziej, Derek S. Kilmer, Pinkhas A. Rapaport, David S. Mathews, Shyam Kocha +3 more | 2013-11-05 |
| 8551664 | Fuel cell humidifier diagnostic | Thomas W. Tighe, Robert L. Fuss, Robert Carter | 2013-10-08 |
| 8374740 | Self-learning satellite navigation assisted hybrid vehicle controls system | Volker Druenert, William H. Pettit | 2013-02-12 |
| 8192881 | Control method for cold fuel cell system operation | Matthew C. Kirklin, Prem Menon | 2012-06-05 |
| 8192878 | Method and algorithm to detect frozen anode pressure sensor | Loren Devries, Abdullah B. Alp, Aaron Rogahn | 2012-06-05 |
| 8168343 | Humidification control during shutdown of a fuel cell system | Steven D. Burch, John P. Salvador, Manish Sinha | 2012-05-01 |
| 8088529 | Remedial action to operate a fuel cell system with a failed bleed manifold unit | Patrick Frost, Abdullah B. Alp | 2012-01-03 |
| 7771855 | Fuel cell system including a two-position back-pressure valve | John P. Salvador, Ronald L. James | 2010-08-10 |
| 7771888 | Anode air purge valve design | Aaron Rogahn, Joseph C. Gerzseny | 2010-08-10 |