Inventor
Ellis F H Chong
Inventor
Derby, GB
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines46%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters23%
F01DNon-positive displacement machines or engines, e.g. steam turbines8%
F02CGas-turbine plants8%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
PatentTitleYear
10,637,326Variable gear ratio electrical machine202010,122,228Sleeve for an electrical machine201810,084,355Electrical machines20189,998,062Axial flux permanent magnet machine20189,621,090'Variable speed generator having multiple exciter windings and selectable, independently activatable pole configurations'20179,397,543'Electrical machine'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2020Patents assigned to ROLLS ROYCE PLC (6)· patent assignee history
2016Patents assigned to CHONG ELLIS F H (1)· patent assignee history
2016Patents assigned to MOUNTAIN STEPHEN J (1)· patent assignee history
2016–2020Based in Derby, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROLLS ROYCE PLC | 6 | 2016–2020 |
| CHONG ELLIS F Hself | 1 | 2016 |
| MOUNTAIN STEPHEN J | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Derby, GB | 6 | 2016–2020 |