Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11450899 | Method for determining battery pack temperature and state of charge | Zhihong Jin, Renate Witt, Steven J. Wood, Mark R. Johnson, Matthew D. Elberson | 2022-09-20 | |
| 6828755 | Battery system module | Thomas J. Dougherty, Chih-Yu Chen, Scott G. Klos, Thomas J. Green, Mark M. Gondek | 2004-12-07 | $23,359,000 |
| 6452361 | Battery system | Thomas J. Dougherty, William P. Segall | 2002-09-17 | $39,547,000 |
| 6271642 | Advanced battery controller with state of charge control | Thomas J. Dougherty, William P. Segall | 2001-08-07 | $25,588,000 |
| 6222341 | Dual battery charge maintenance system and method | Thomas J. Dougherty, William P. Segall | 2001-04-24 | $13,480,000 |
| 6144185 | Method and apparatus for determining the condition of a battery through the use of multiple battery tests | Thomas J. Dougherty | 2000-11-07 | $25,430,000 |
| 6057666 | Method and circuit for controlling charging in a dual battery electrical system | Thomas J. Dougherty, William P. Segall, Dan Watts | 2000-05-02 | $52,550,000 |