Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10992129 | Ground fault protection methods | Lihua Hu, Teng Long, Martin Samuel Butcher | 2021-04-27 |
| 10790772 | Power systems | Aravazhi Anabarasu, Ramasamy Anabarasu, Martin Samuel Butcher | 2020-09-29 |
| 10263520 | DC-DC power converters with step-up and/or step-down mode(s) | Teng Long, Martin Southall, Mounir Louati | 2019-04-16 |
| 9800161 | Power converters | Warren Mark Blewitt | 2017-10-24 |
| 9487284 | Control device for a power distribution system | Nicholas Simon Smith, Ralph Edwin Maltby | 2016-11-08 |
| 9349790 | Power electronic devices | Sean Joseph Loddick, David Hinchley | 2016-05-24 |
| 9252645 | Dc electrical machines | — | 2016-02-02 |
| 9184003 | Circuit breakers | — | 2015-11-10 |
| 9048039 | Vacuum switch assemblies | Martin Samuel Butcher | 2015-06-02 |
| 9048691 | Converters | Warren Mark Blewitt | 2015-06-02 |
| 9030042 | Power transmission and distribution systems | Changjiang Zhan, Andrew James Bullock | 2015-05-12 |
| 8680707 | Power distribution systems | Jonathan Childs | 2014-03-25 |
| 8487566 | Electronic commutator circuits | — | 2013-07-16 |
| 8258760 | Exciter assemblies | — | 2012-09-04 |
| 8212646 | Fuses | Christopher John Dunne | 2012-07-03 |
| 8058763 | Rotor having an inverted U-shaped retainer and magnet carrier | Paul Clark, Andrew James Bullock | 2011-11-15 |
| 8049358 | Marine power distribution and propulsion systems | Clive Lewis | 2011-11-01 |
| 8040094 | Voltage clamping and energy recovery circuits | David N. Lee | 2011-10-18 |
| 8040001 | Assemblies for electrical machines | — | 2011-10-18 |
| 7989977 | Power distribution systems | — | 2011-08-02 |
| 7969123 | Exciter assemblies | — | 2011-06-28 |
| 7944723 | Matrix converters | — | 2011-05-17 |
| 7852025 | Electronic commutator circuits | — | 2010-12-14 |
| 7061149 | Rotary electrical machines | — | 2006-06-13 |
| 5757599 | Protection arrangement for a switching device | — | 1998-05-26 |