Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7749624 | Method for providing back-pressure for a fuel cell stack | John P. Salvador, Ronald L. James | 2010-07-06 |
| 7514171 | Cathode transient humidity control in a fuel cell system | Joseph Dean Rainville | 2009-04-07 |
| 7465508 | Fuel cell stack temperature control system and method | Abdullah B. Alp, Jason R. Kolodziej, Brian Shaffer, Donald H. Keskula | 2008-12-16 |
| 7432005 | Model-based feed-forward control system for power (or current) in a fuel cell system | Donald H. Keskula | 2008-10-07 |
| 7402353 | Transient controls to improve fuel cell performance and stack durability | Brian Shaffer, Abdullah B. Alp | 2008-07-22 |
| 7348084 | Air distribution method and controller for a fuel cell system | Donald H. Keskula, Swaminathan Gopalswamy, Shankar Akella | 2008-03-25 |
| 7344788 | Starting a fuel cell system using ambient air and a low voltage blower | Scott Dewey, Rainer Pechtold, Roland Nolte, Hermann Victor, Bernhard Wnendt +2 more | 2008-03-18 |
| 7235318 | Fuel cell system back-pressure control with a discrete valve | John P. Salvador, Ronald L. James | 2007-06-26 |
| 7160341 | System for controlling front and back end temperatures of a shift reactor | Manish Sinha, Paul Taichiang Yu | 2007-01-09 |
| 7132181 | Method and apparatus for venting and purging of a fuel cell | Kiran Mallavarapu, Bryan P. Tipton, Rodney J. Rhodes, Robert W. Chalfant | 2006-11-07 |
| 6959249 | Load following algorithm for a fuel cell based system | Kiran Mallavarapu, Akbar Chowdhury | 2005-10-25 |
| 6942937 | Air distribution method and controller for a fuel cell system | Donald H. Keskula, Swaminathan Gopalswamy, Shankar Akella | 2005-09-13 |
| 6893756 | Lambda sensing with a fuel cell stack | Jeffrey A. Rock | 2005-05-17 |
| 6884534 | Electronic by-pass control of gas around the humidifier to the fuel cell stack | William Wheat, Matt K. Hortop | 2005-04-26 |
| 6847188 | Fuel cell stack monitoring and system control | Donald H. Keskula, Tien M. Doan | 2005-01-25 |
| 6790548 | Staged venting of fuel cell system during rapid shutdown | Donald H. Keskula, Tien M. Doan | 2004-09-14 |
| 6755077 | Diagnostic system for identifying fuel injector failure in a fuel cell system | Donald H. Keskula, Julie Stuart | 2004-06-29 |
| 6743539 | Coolant fan control for fuel cell systems | Donald H. Keskula, Victor W. Logan | 2004-06-01 |
| 6709780 | System and method for controlling steam in a fuel system with a fuel processor | Donald H. Keskula, Steven D. Burch, Paul Taichiang Yu | 2004-03-23 |
| 6706430 | Electronic by-pass of fuel cell cathode gas to combustor | William Wheat, Derek S. Kilmer, Matthew K. Hortop | 2004-03-16 |
| 6692851 | Fuel cell stack monitoring and system control | Donald H. Keskula, Tien M. Doan | 2004-02-17 |
| 6670064 | Air supply pressure setpoint determination for a fuel cell power module | Donald H. Keskula, Victor W. Logan | 2003-12-30 |
| 6602624 | Control apparatus and method for efficiently heating a fuel processor in a fuel cell system | Tien M. Doan | 2003-08-05 |
| 6451465 | Method for operating a combustor in a fuel cell system | Robert W. Chalfant | 2002-09-17 |
| 6416893 | Method and apparatus for controlling combustor temperature during transient load changes | Robert W. Chalfant | 2002-07-09 |