Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7425832 | System and method for measuring internal resistance of electrochemical devices | Ravi Gopal | 2008-09-16 |
| 7148654 | Method and apparatus for monitoring fuel cell voltages | Stephen Burany, Ravi Gopal, Stephane Masse | 2006-12-12 |
| 6816797 | System and method for measuring fuel cell voltage and high frequency resistance | Stephane Masse, Ravi Gopal | 2004-11-09 |
| 6519539 | Measurement of fuel cell impedance | Stephane Masse, Ravi Gopal, Pierre Rivard | 2003-02-11 |