Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8805455 | Method and apparatus for intrinsically safe operation of a communication device | William C. Bohne | 2014-08-12 |
| 8659263 | Power supply circuit having low idle power dissipation | Michael D. Geren, Dipti V. Desai, John E. Herrmann | 2014-02-25 |
| 7944218 | Immersion sensor to protect battery | William C. Bohne, John E. Hermann | 2011-05-17 |
| 7945295 | Portable radio and battery pack configuration | John E. Herrmann | 2011-05-17 |
| 7271569 | Contact less charger with alignment indicator | — | 2007-09-18 |
| 7205672 | Flip chip mounted to thermal sensing element through the back side of the chip | Gregory J. Smith | 2007-04-17 |
| 6859022 | Timer circuit and battery protection circuit using same | — | 2005-02-22 |
| 6775112 | Apparatus and method for improving ESD and transient immunity in shunt regulators | Gregory J. Smith, Donald M. Archer | 2004-08-10 |
| 6771051 | Thermally limited battery protection and charging circuit | John E. Herrmann, Michael D. Geren, David M. DeMuro, Roger L. Boyer | 2004-08-03 |
| 6768355 | Transient rejecting circuit | Paul M. Henry, Gregory J. Smith | 2004-07-27 |
| 6674273 | Filtering circuit and battery protection circuit using same | — | 2004-01-06 |
| 6667606 | Power regulation and thermal management circuit | Chris Hanchana Thongsouk, Robert Michael Johnson | 2003-12-23 |
| 6631066 | Apparatus and method for initiating crowbar protection in a shunt regulator | Gregory J. Smith | 2003-10-07 |
| 6608470 | Overcharge protection device and methods for lithium based rechargeable batteries | Arthur G. Burns, Georgina More | 2003-08-19 |
| 6600641 | Overcurrent protection for the series fuse | Philip H. Burrus, IV | 2003-07-29 |
| 6583977 | Zipper fuse | — | 2003-06-24 |
| 6492792 | Battery trickle charging circuit | Robert Michael Johnson, John E. Herrmann | 2002-12-10 |
| 6456186 | Multi-terminal fuse device | — | 2002-09-24 |
| 6340878 | Silicon equivalent PTC circuit | — | 2002-01-22 |
| 6331764 | Supplemental battery overcharge protection device | Arthur G. Burns, Georgina More | 2001-12-18 |
| 6320363 | Voltage regulator with improved transient response | Gregory J. Smith | 2001-11-20 |
| 6320354 | Method and apparatus for battery charging | Upal Sengupta | 2001-11-20 |
| 6316956 | Multiple redundant reliability enhancement method for integrated circuits and transistors | — | 2001-11-13 |
| 6300750 | Shunt voltage regulator with self-contained thermal crowbar safety protection | Greg Smith | 2001-10-09 |
| 6268715 | Voltage profile charge control system | Martin Ramsden, John E. Herrmann | 2001-07-31 |