Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8828616 | Life extension of PEM fuel cell using startup method | Paul Taichiang Yu, Frederick T. Wagner, Robert S. Foley | 2014-09-09 |
| 8486575 | Passive hydrogen vent for a fuel cell | Leroy M Edwards | 2013-07-16 |
| 7972749 | Low voltage power tap on high voltage stack | Scott Dewey, Victor W. Logan, John Wheat, David B. Ouwerkerk | 2011-07-05 |
| 7968240 | System and method for shorting a fuel cell stack | Robert S. Foley, Matthew K. Hortop, Balasubramanian Lakshmanan | 2011-06-28 |
| 7883809 | Rapid startup of a fuel cell power module using motor drive | — | 2011-02-08 |
| 7442456 | Current control for parallel fuel cell stacks | John Wheat, Daryl Chapman | 2008-10-28 |
| 7421356 | Method and apparatus for measurement of fuel cell high frequency resistance in the presence of large undesirable signals | David D. Rea, Kenneth L. Kaye, Robert S. Foley, Michael F. Zawisa | 2008-09-02 |
| 7132191 | Addressing one MEA failure mode by controlling MEA catalyst layer overlap | John Healy, Anastasios Angelopoulos | 2006-11-07 |
| 6794844 | Method and system for fuel cell control | Prabhakar Singh | 2004-09-21 |
| 6603290 | Anti-islanding detection scheme for distributed power generation | — | 2003-08-05 |
| 6072707 | High voltage modular inverter | — | 2000-06-06 |
| 5905367 | Power inverter apparatus using a transformer with its primary winding connected the source end and a secondary winding connected to the load end of an AC power line to insert series compensation | — | 1999-05-18 |