Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9853312 | Method for determining membrane protonic resistance of a fuel cell stack | Manish Sinha, John C. Fagley, Megan J. Quick, Rodney J. Rhodes, Sergio E. Garcia +1 more | 2017-12-26 |
| 9502726 | Cathode humidification unit adapting degradation factor | John P. Nolan, Daniel T. Folmsbee, Yan Zhang | 2016-11-22 |
| 9368817 | In-situ fuel cell stack reconditioning | Daniel T. Folmsbee, Balasubramanian Lakshmanan, John P. Salvador, Joe C. Machuca, Bernd Krause +2 more | 2016-06-14 |
| 9281532 | Remedial actions for air flow errors in a fuel cell system | Loren Devries, Todd K. Preston, Joseph Mussro, John P. Nolan | 2016-03-08 |
| 9231263 | Selectively reacting to the minimum cell voltage drop rate in a fuel cell system | Balasubramanian Lakshmanan, Sriram Ganapathy, Sanja Sljivar-Lovria, Bruce J. Clingerman, Michael Kiefer | 2016-01-05 |
| 9153828 | Method to diagnose fuel cell humidification problems | Donald H. Keskula, Todd K. Preston, John P. Nolan | 2015-10-06 |
| 9099706 | Method of providing a calibrating reference voltage and index synchronization sequence for a cell voltage measurement system | David J. Reed, Kenneth L. Kaye | 2015-08-04 |
| 9099702 | Method for running a fuel cell system with a failed stack health monitor | Steven R. Falta | 2015-08-04 |
| 9070921 | Subzero ambient shutdown purge operating strategy for PEM fuel cell system | Michael Cartwright, Bruce J. Clingerman, Daniel I. Harris, Aaron Rogahn | 2015-06-30 |
| 9034530 | Fuel cell stack used as coolant heater | Balasubramanian Lakshmanan, Frederick T. Wagner | 2015-05-19 |
| 9017889 | Frame sequence for a cell voltage measurement system with a low probability of natural occurrence | David J. Reed, Kenneth L. Kaye, Kevin Sampson | 2015-04-28 |
| 8945785 | Adaptive limitation of standby mode to enhance fuel cell system life | Daniel I. Harris, John P. Salvador, William H. Pettit, Akbar Chowdhury, Edward George Himes | 2015-02-03 |
| 8920995 | Systems and methods for predicting polarization curves in a fuel cell system | Sriram Ganapathy, Daniel T. Folmsbee | 2014-12-30 |
| 8647783 | Auto-learning of base stack resistance for HFR based RH control | Manish Sinha, John C. Fagley, Megan J. Quick, Rodney J. Rhodes, Sergio E. Garcia +1 more | 2014-02-11 |
| 8231989 | Method for improving FCS reliability after end cell heater failure | William S Marley, John P. Salvador, Abdullah B. Alp, Loren Devries | 2012-07-31 |
| 8192885 | Shutdown strategy for enhanced water management | Pinkhas A. Rapaport, Steven R. Falta, Eric J. Connor | 2012-06-05 |