Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11953169 | In-situ replaceable LED car headlight and design method thereof | Hui Gao, Linghui Chen, Chengjie ZHU | 2024-04-09 |
| D945277 | Inner packaging box for LED lamps | Hui Gao, Huojun Gu | 2022-03-08 |
| 10992129 | Ground fault protection methods | Teng Long, Martin Samuel Butcher, Allan David Crane | 2021-04-27 |
| D885370 | Pair of earphones | — | 2020-05-26 |
| D873789 | Earphones | — | 2020-01-28 |
| D864153 | Earphone | — | 2019-10-22 |
| 9825523 | Control arrangement and method for regulating the output current of a dc source power converter connected to a multi-source dc system | Richard Ian Stephens, Martin Samuel Butcher | 2017-11-21 |
| 9713884 | Dimensionally stable polyurethane molded bodies having low density | Andre Kamm, Dong Liang, Zhizhong Tang | 2017-07-25 |
| 9130448 | Control arrangement and method for regulating the output voltage of a dc source power converter connected to a multi-source dc system | — | 2015-09-08 |
| 8154260 | Generating system | David Reginald Trainer, Stephen Andrew Long | 2012-04-10 |
| 8111496 | Earthing arrangement for a DC electrical system and a method of operating an earthing arrangement for a DC electrical system | Stephen Andrew Long, David Reginald Trainer, Huw L. Edwards | 2012-02-07 |
| 7847431 | Method and system for electrical power generation | David Reginald Trainer, Stephen Andrew Long | 2010-12-07 |
| 7800880 | Earthing arrangement | David Reginald Trainer, Michael P Hirst, Stuart J. Galloway | 2010-09-21 |
| 7573243 | Generator control arrangement | David Reginald Trainer, Michael P Hirst | 2009-08-11 |