Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345445 | Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop | Alexander Thomas Frechette, Carl Nicholas Nett, Keith Richard Waltz | 2025-07-01 |
| 11867427 | Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop | Alexander Thomas Frechette, Carl Nicholas Nett, Keith Richard Waltz | 2024-01-09 |
| 10989441 | High efficiency fluid heating system exhaust manifold | Alexander Thomas Frechette, Carl Nicholas Nett, Richard James Snyder, Keith Richard Waltz | 2021-04-27 |
| 10962257 | Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop | Alexander Thomas Frechette, Carl Nicholas Nett, Keith Richard Waltz | 2021-03-30 |
| 10612816 | Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop | Alexander Thomas Frechette, Carl Nicholas Nett, Keith Richard Waltz | 2020-04-07 |
| 10522855 | Method for creating an oxygen depleted gas in a fuel cell system | Steven G. Goebel, Gary M. Robb, Abdullah B. Alp, Balasubramanian Lakshmanan, Joseph Nicholas Lovria | 2019-12-31 |
| 10309731 | Compliant heating system comprising a compressive seal expansion joint | Alexander Thomas Frechette, Carl Nicholas Nett, James Pettiford, Richard James Snyder, Keith Richard Waltz | 2019-06-04 |
| 8974975 | Method to correct for permeation uncertainties using a concentration sensor | Daniel C. Di Fiore | 2015-03-10 |
| 8877392 | PEM fuel cell stack inlet water regulation system | Jon P. Owejan, Thomas A. Trabold, William H. Pettit, James M. Keogan, Eric J. Connor +1 more | 2014-11-04 |
| 8828615 | Acoustic speed of sound measurement using bandpass filtering of automotive pressure sensors | Daniel C. Di Fiore | 2014-09-09 |
| 8795907 | Compressor system with a freewheeling expander | Marc Becker, Remy Fontaine | 2014-08-05 |
| 8735022 | Fuel cell component with coating including nanoparticles | Harald Schlag, Ralf Senner, Thomas A. Trabold, Gayatri Vyas, Keith E. Newman | 2014-05-27 |
| 8551664 | Fuel cell humidifier diagnostic | Robert L. Fuss, Robert Carter, Bruce J. Clingerman | 2013-10-08 |
| 8501364 | Fuel cell bipolar plate exit for improved flow distribution and freeze compatibility | Jon P. Owejan, Jeffrey A. Rock, Thomas A. Trabold, Steven R. Falta | 2013-08-06 |
| 8394547 | Fuel cell bipolar plate exit for improved flow distribution and freeze compatibility | Jon P. Owejan, Jeffrey A. Rock, Thomas A. Trabold, Steven R. Falta | 2013-03-12 |
| 8389047 | Low-cost hydrophilic treatment method for assembled PEMFC stacks | Jon P. Owejan, Thomas A. Trabold | 2013-03-05 |
| 8268492 | Fuel cell stack features for improved water management | Jon P. Owejan, Steven R. Falta | 2012-09-18 |
| 8232014 | Fuel cell operational methods for hydrogen addition after shutdown | David A. Arthur, Dieter Kaimann, Steven G. Goebel, John P. Salvador, Gary M. Robb +4 more | 2012-07-31 |
| 8168340 | Water removal features for PEMfc stack manifolds | Lee C. Whitehead, Steven R. Falta, Thomas A. Trabold, Jon P. Owejan | 2012-05-01 |
| 8101322 | Constant channel cross-section in a PEMFC outlet | Jon P. Owejan, Thomas A. Trabold | 2012-01-24 |
| 8034502 | Water removal system for non-reactive regions in PEFMC stacks | Jon P. Owejan, Thomas A. Trabold, Jeffrey A. Rock | 2011-10-11 |
| 7862936 | Water removal channel for PEM fuel cell stack headers | Jon P. Owejan, Steven R. Falta, Pinkhas A. Rapaport, Thomas A. Trabold, Lee C. Whitehead | 2011-01-04 |
| 7842426 | Use of a porous material in the manifolds of a fuel cell stack | Jon P. Owejan, Thomas A. Trabold | 2010-11-30 |
| 7803497 | Fuel cell stack that utilizes an actuator to switch between interdigitated and straight flow for optimizing performance | Mark Mathias | 2010-09-28 |
| 7718298 | Bifurcation of flow channels in bipolar plate flowfields | Jon P. Owejan, Daniel Darga, Pinkhas A. Rapaport, Jeffrey A. Rock, Thomas A. Trabold | 2010-05-18 |