Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11202876 | Apparatus for performing a cricothyrotomy/tracheotomy and method therefor | Bryan Hooppaw | 2021-12-21 |
| 10957929 | Fuel cell stack | Scott A. Spink, Arrol Bryant | 2021-03-23 |
| 10391271 | Apparatus for performing a cricothyrotomy/tracheotomy and method therefor | Bryan Hooppaw | 2019-08-27 |
| 9293778 | Proton exchange membrane fuel cell | Scott A. Spink, Matthew M. Wright, Dinesh S. Yemul, William A. Fuglevand, Shiblihanna I. Bayuuk +2 more | 2016-03-22 |
| 9012101 | Fuel cell stacks | Dinesh S. Yemul, Scott A. Spink, Lijun Bai | 2015-04-21 |
| 8597846 | Proton exchange membrane fuel cell stack and fuel cell stack module | Scott A. Spink, Matthew M. Wright, Eric J. Ryan, Dinesh S. Yemul, John Fisher | 2013-12-03 |
| 8192889 | Proton exchange membrane fuel cell stack and fuel cell stack module | Scott A. Spink, Matthew M. Wright, Eric J. Ryan, Dinesh S. Yemul, John Fisher | 2012-06-05 |
| 8026020 | Proton exchange membrane fuel cell stack and fuel cell stack module | Scott A. Spink, Matthew M. Wright, Eric J. Ryan, Dinesh S. Yemul, John Fisher | 2011-09-27 |
| 8003274 | Direct liquid fuel cell | Scott A. Spink, William A. Fuglevand | 2011-08-23 |
| 7925886 | Encryption output data generation method and system | — | 2011-04-12 |
| 7722972 | Apparatus and method for controlling a fuel cell using the rate of voltage recovery | Lijun Bai, Mark R. Hernick | 2010-05-25 |
| 7694147 | Hashing method and system | — | 2010-04-06 |
| RE39556 | Fuel cell and method for controlling same | William A. Fuglevand, Peter David DeVries, Greg Lloyd, John P. Scartozzi | 2007-04-10 |
| 7049017 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, Vanell L. Martin | 2006-05-23 |
| 6982129 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, Vanell L. Martin | 2006-01-03 |
| 6828050 | Fuel cell | Lijun Bai, Wade A. Huravitch, Vanell L. Martin | 2004-12-07 |
| 6811906 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, Vanell L. Martin | 2004-11-02 |
| 6805987 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, Vanell L. Martin | 2004-10-19 |
| 6773839 | Fuel cell power systems and methods of controlling a fuel cell power system | William A. Fuglevand, Shiblihanna I. Bayyuk, Greg Lloyd, Peter David DeVries, John P. Scartozzi | 2004-08-10 |
| 6620538 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, Vanell L. Martin | 2003-09-16 |
| 6468682 | Ion exchange membrane fuel cell | William A. Fuglevand, Peter David DeVries, Glen Alden Lloyd, John P. Scartozzi | 2002-10-22 |
| 6387556 | Fuel cell power systems and methods of controlling a fuel cell power system | William A. Fuglevand, Shiblihanna I. Bayyuk, Greg Lloyd, Peter David DeVries, John P. Scartozzi | 2002-05-14 |
| 6383556 | Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell | P. David DeVries | 2002-05-07 |
| 6218035 | Proton exchange membrane fuel cell power system | William A. Fuglevand, Shiblihanna I. Bayyuk, Greg Lloyd, Peter David DeVries, John P. Scartozzi +2 more | 2001-04-17 |
| 6096449 | Fuel cell and method for controlling same | William A. Fuglevand, Peter David DeVries, Greg Lloyd, John P. Scartozzi | 2000-08-01 |