Inventor
John M. Ironside
Inventor
Birmingham, GB
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines20%
F02BInternal-combustion piston engines14%
Y02TClimate change mitigation technologies related to transportation13%
B62DMotor vehicles11%
F02PIgnition, other than compression ignition, for internal-combustion engines11%
F16HGearing4%
G05BControl or regulating systems in general4%
H02KDynamo-electric machines4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
PatentTitleYear
6,597,141'Position sensing in brushless motor systems'20036,448,738'Method of controlling an electric motor having a number of phase windings'20026,330,140'Method of and circuit for testing an electrical actuator drive stage'20016,211,631'Electrical power-assisted steering systems'20016,194,849'Electrical power-assisted steering systems'20016,175,793'Gearboxes'20015,663,713'Control system'19975,523,561'Enhanced position signals in optical torque sensors'19965,261,236'Turbocharged engine control system'19935,255,653'Engine throttle control system'19935,193,506'Engine throttle control system'19935,157,613'Adaptive control system for an engine'19925,074,267'Engine throttle control system'19915,062,404'Engine throttle control system'19915,001,645'Adaptive control system for an engine'19914,843,556'Method and apparatus for controlling an internal combustion engine'19894,481,844'Transmission system'19844,328,775'Closed loop control of i.c. engine idling speed'19824,151,815'Operation timing control system for an internal combustion engine'19794,142,483'Operation timing control system for an internal combustion engine'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1984Patents assigned to LUCAS INDUSTRIES LTD (4)· patent assignee history
1979–2003Based in Birmingham, GB· patent location history
1989–2001Patents assigned to LUCAS IND PLC (12)· patent assignee history
2001–2002Patents assigned to TRW LUCAS VARITY ELECTRIC (3)· patent assignee history
2003Patents assigned to TRW LUCASVARITY ELECTRIC STEER (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUCAS IND PLC | 12 | 1989–2001 |
| LUCAS INDUSTRIES LTD | 4 | 1979–1984 |
| TRW LUCAS VARITY ELECTRIC | 3 | 2001–2002 |
| TRW LUCASVARITY ELECTRIC STEER | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Birmingham, GB | 20 | 1979–2003 |