Inventor
John J A Cullen
Inventor
Derby, GB
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines25%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters17%
H01FMagnets8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
F16CShafts6%
Y10TTechnical subjects covered by former us classification6%
F02CGas-turbine plants4%
H01BCables4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
PatentTitleYear
10,680,503Active screening for an electrical machine202010,487,241Methods of encapsulating electrical windings in an encapsulant composition201910,485,145Cooling system for electrical equipment201910,378,445Gas turbine engine fuel system20199,853,512Stator winding arrangement for an electrical machine having series connected short and long windings20179,236,830'Electrical machine'20169,018,805'Superconducting machines'20158,908,336'Fault tolerant electrical machine'20148,653,797'Synchronous electrical machine'20148,648,575'Electrical machine safety system'20148,487,500'Cooling arrangement of an electrical machine'20137,830,105'Electrical machine'20107,612,463'Generator'20097,554,301'Fault current limiting in an electrical power network'20097,521,901'Electrical power stabilisation'20097,372,676'Motor coil-shorting detecting unit'20087,215,054'Magnetic bearing'20077,138,739'Magnetic bearing'20066,888,439'Electrical conductor winding and a method of manufacturing an electrical conductor winding'20056,794,781'Compact electrical machine'20046,765,328'Shaft bearings'20046,680,667'Electrical conductor winding and a method of manufacturing an electrical conductor winding'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2020Patents assigned to ROLLS ROYCE PLC (22)· patent assignee history
2004–2020Based in Derby, GB· patent location history
2009Based in Chellaston, GB· patent location history
2013–2014Patents assigned to CULLEN JOHN JAMES ANTHONY (2)· patent assignee history
2014–2016Patents assigned to CULLEN JOHN J A (4)· patent assignee history
2014Patents assigned to JEWELL GERAINT W (1)· patent assignee history
2015Patents assigned to KNOTT DAVID S (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROLLS ROYCE PLC | 22 | 2004–2020 |
| CULLEN JOHN J Aself | 4 | 2014–2016 |
| CULLEN JOHN JAMES ANTHONYself | 2 | 2013–2014 |
| JEWELL GERAINT W | 1 | 2014 |
| KNOTT DAVID S | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Derby, GB | 21 | 2004–2020 |
| Chellaston, GB | 1 | 2009 |