Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10089977 | Method for system combination in an audio analytics application | Mohamed Kamal Omar, Robert T. Ward | 2018-10-02 |
| 9231263 | Selectively reacting to the minimum cell voltage drop rate in a fuel cell system | Derek R. Lebzelter, Balasubramanian Lakshmanan, Sanja Sljivar-Lovria, Bruce J. Clingerman, Michael Kiefer | 2016-01-05 |
| 9105892 | Adaptive method for conversion of external power request to current setpoint to a fuel cell system based on stack performance | Kiran Mallavarapu, Stefan W. Lixfeld, Manish Sinha | 2015-08-11 |
| 8986899 | Systems and methods for enhancing fuel cell vehicle startup | Daniel I. Harris, Michael Cartwright, Pinkhas A. Rapaport | 2015-03-24 |
| 8920995 | Systems and methods for predicting polarization curves in a fuel cell system | Derek R. Lebzelter, Daniel T. Folmsbee | 2014-12-30 |
| 8722263 | Feedback control of H2 injection during park based on gas concentration model | Jun Cai, Joseph Nicholas Lovria, Jaehak Jung, John P. Salvador | 2014-05-13 |
| 8722264 | Algorithm for stack current controller based on polarization curve estimation of a fuel cell stack | Kiran Mallavarapu, Balasubramanian Lakshmanan, John P. Salvador, Frank Leo | 2014-05-13 |
| 8642220 | Method to improve fuel cell system performance using cell voltage prediction of fuel cell stack | Yanyan Zhang, Loren Devries, Bruce J. Clingerman | 2014-02-04 |
| 8450018 | Method to automatically enable/disable stack reconditioning procedure based on fuel cell stack parameter estimation | Manish Sinha, Tayoung Choi, David A. Arthur | 2013-05-28 |
| 8428957 | Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands | Harinath Garudadri, Petr Motlicek, Hynek Hermansky | 2013-04-23 |
| 8420271 | Method to improve reliability of a fuel cell system using low performance cell detection at low power operation | Tayoung Choi, Jaehak Jung, David R. Savage, Balasubramanian Lakshmanan, Pamela M. Vecasey | 2013-04-16 |
| 8405399 | Method to predict min cell voltage from discrete min cell voltage output of stack health monitor | Yanyan Zhang, Kiran Mallavarapu | 2013-03-26 |
| 8214174 | Algorithm for online adaptive polarization curve estimation of a fuel cell stack | John P. Salvador, Balasubramanian Lakshmanan, Frank Leo, Jason R. Kolodziej | 2012-07-03 |
| 8206860 | Method to perform adaptive voltage suppression of a fuel cell stack based on stack parameters | John P. Salvador, Tayoung Choi, Darrell W. Burleigh | 2012-06-26 |
| 8195407 | Online method to estimate hydrogen concentration estimation in fuel cell systems at shutdown and startup | John P. Salvador, Joseph Nicholas Lovria, John C. Fagley | 2012-06-05 |
| 8192879 | Method for maximum net power calculation for fuel cell system based on online polarization curve estimation | John P. Salvador, Kiran Mallavarapu, Frank Leo, Balasubramanian Lakshmanan | 2012-06-05 |
| 8088525 | Online low performing cell (LPC) prediction and detection of fuel cell system | John P. Salvador, Frank Leo, Balasubramanian Lakshmanan, Brian McMurrough | 2012-01-03 |
| 7955743 | Adaptive gain scheduled control for current limitation based on voltage performance of a fuel cell system | David A. Arthur, Manish Sinha, John P. Salvador, David R. Savage, Frank Leo | 2011-06-07 |
| 7880429 | Power management method using feedback current bias for simultaneously controlling low cells and overall stack voltage | David A. Arthur | 2011-02-01 |