Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11411418 | Battery management systems and methods | David D. Rea, David J. Reed, Matthew H. Fronk, Thaddeus J. Grey | 2022-08-09 |
| 10320213 | Apparatus and method to apply voltage to fuel cell stack from high voltage system for usage during diagnostic tests | Joseph Berg | 2019-06-11 |
| 9899691 | Systems and methods for detecting anode contamination in a fuel cell system | Donald H. Keskula, Mark P. Adams, Swaminatha P. Kumaraguru, Jingxin Zhang | 2018-02-20 |
| 9586541 | Methods, apparatus, and systems for identification of cells in a network | Joseph Berg | 2017-03-07 |
| 9537164 | Through-stack communication method for fuel cell monitoring circuits | David D. Rea | 2017-01-03 |
| 9419293 | Systems and methods for measuring high frequency resistance in a fuel cell system | David J. Reed, Angelo Caruso, Richard P. Corey | 2016-08-16 |
| 9263754 | Integrated environmentally protective barrier with light blocking and light transmitting features to optically communicate between two electronic devices operating in different environments | Todd D. Bogumil, Michael F. Zawisa, Mark A. Buffa, David J. Keyes | 2016-02-16 |
| 9099706 | Method of providing a calibrating reference voltage and index synchronization sequence for a cell voltage measurement system | David J. Reed, Derek R. Lebzelter | 2015-08-04 |
| 9017889 | Frame sequence for a cell voltage measurement system with a low probability of natural occurrence | David J. Reed, Derek R. Lebzelter, Kevin Sampson | 2015-04-28 |
| 8990034 | Redundancy for improved stack health monitoring reliability | Jeffrey A. Rock, David J. Reed | 2015-03-24 |
| 8450965 | Stack-powered fuel cell monitoring device with prioritized arbitration | David D. Rea, Michael F. Zawisa, Robert S. Foley | 2013-05-28 |
| 8257875 | Method for collection and communication of measured data within a fuel cell stack | David D. Rea, Michael F. Zawisa | 2012-09-04 |
| 8206862 | Method to measure and communicate cell voltage in a fuel cell stack by embedding measurement units on the plate | Michael F. Zawisa, David D. Rea | 2012-06-26 |
| 8089290 | Liquid water sensor signal conditioning circuit for use in PEM fuel cells | Robert L. Fuss | 2012-01-03 |
| 7579824 | High-precision Rogowski current transformer | David D. Rea, Michael F. Zawisa | 2009-08-25 |
| 7421356 | Method and apparatus for measurement of fuel cell high frequency resistance in the presence of large undesirable signals | David D. Rea, Robert S. Foley, Michael F. Zawisa, Clark G. Hochgraf | 2008-09-02 |