Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10624187 | Light emitting diode driver regulated to consume constant battery current input | Michael J. Brandon, II | 2020-04-14 |
| 10206263 | Electronic protection against circuit reversal | Michael J. Brandon, II, Zi hong Zhang | 2019-02-12 |
| D798482 | Handheld light | Kevin O'Doherty, Michael Robert Jerome, Kenny Wong, Daniel Durbin, Hung Yu Lam | 2017-09-26 |
| 9101022 | Lighting device having boost circuitry | Peter F. Hoffman, Frank Huang | 2015-08-04 |
| 8717034 | Fuel gauging system and method thereof | John D. Crawford, Peter F. Hoffman, Frank Huang, Adam R. Jakubiak, Stephen E. Osmialowski | 2014-05-06 |
| 8573797 | Lighting device | Frank Huang, Peter F. Hoffman, Mark A. Ferguson | 2013-11-05 |
| 8491151 | Lighting device having light intensity control | — | 2013-07-23 |
| 8376574 | Multi-spectrum lighting device having a plurality of illumination modes | Frank Huang, Mark A. Ferguson, Thomas I. Meyers | 2013-02-19 |
| 8324836 | Lighting device having cross-fade and method thereof | John D. Crawford, Peter F. Hoffman | 2012-12-04 |
| 8197085 | Portable lighting device having user selectable light control | — | 2012-06-12 |
| D657090 | Accessory for a lighting device | Brian M. Kaule, Scott W. Osiecki | 2012-04-03 |
| 8120268 | Lighting device and method of control based on chemistry composition of power source | Peter F. Hoffman, Frank Huang, Stephen E. Osmialowski, Adam R. Jakubiak | 2012-02-21 |
| 8115492 | Fuel gauging system and method thereof | John D. Crawford, Peter F. Hoffman, Frank Huang, Adam R. Jakubiak, Stephen E. Osmialowski | 2012-02-14 |
| 8063607 | Energy storage system and method of sequentially charging a first and second battery cell based on voltage potential | John D. Crawford, Peter F. Hoffman, Frank Huang | 2011-11-22 |
| D647227 | Lighting device | Brian M. Kaule, Scott W. Osiecki | 2011-10-18 |
| 7959317 | Lighting device configured to operate with different batteries | Frank Huang, Waikwong Lam | 2011-06-14 |
| 7950820 | Intrinsically safe flashlight | Peter F. Hoffman | 2011-05-31 |
| 7952321 | Device having an energy converter and an energy limiter to limit supplied electrical energy | Peter F. Hoffman | 2011-05-31 |
| 7926967 | Headlight devices and methods | Thomas I. Meyers, David J. Hine, Scott W. Osiecki, Mark A. Ferguson | 2011-04-19 |
| 7918578 | Lighting device having forward directed heat sink assembly | Michael S. Squires | 2011-04-05 |
| 7888883 | Lighting device having cross-fade and method thereof | John D. Crawford, Peter F. Hoffman | 2011-02-15 |
| 7850330 | Lighting device configured to operate with different batteries | Frank Huang, Waikwong Lam | 2010-12-14 |
| D625866 | Lighting device | Donwoong Kang, Scott W. Osiecki, Grahame P. Ward | 2010-10-19 |
| D625447 | Lighting device | John R. Brown, Angelo Kotsis | 2010-10-12 |
| D625448 | Flashlight | John R. Brown, Angelo Kotsis | 2010-10-12 |