Inventor
Gregory J. Speckhart
Inventor
Peoria, IL, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters25%
F02DControlling combustion engines19%
F02BInternal-combustion piston engines13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
H02JElectric power networks13%
B60LPropulsion of electrically-propelled vehicles6%
Y02TClimate change mitigation technologies related to transportation6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
9,729,008'Life degradation mitigation for transient response energy storage'20179,722,445'Control of hybrid energy storage system for high pulse load'20178,946,915'Adaptive variable speed genset control'20158,242,735'Method and system for temperature-based power converter control'20128,004,226'Method and system for detecting a failed current sensor in a three-phase machine'20117,511,449'Electric motor system implementing vector and slip control'20096,715,467'Method and apparatus for engine braking'20046,508,107'Method and apparatus for determining an oil grade of an actuating fluid'20036,415,652'Method and apparatus for determining an oil grade of an actuating fluid'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2017Patents assigned to CATERPILLAR INC (9)· patent assignee history
2002–2017Based in Peoria, IL, US· patent location history
2012Patents assigned to HEIN BRUCE H (1)· patent assignee history
2012Patents assigned to SOPKO THOMAS M (1)· patent assignee history
2012Patents assigned to SPECKHART GREGORY J (1)· patent assignee history
2012Patents assigned to WAI JACKSON (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR INC | 9 | 2002–2017 |
| HEIN BRUCE H | 1 | 2012 |
| SOPKO THOMAS M | 1 | 2012 |
| SPECKHART GREGORY Jself | 1 | 2012 |
| WAI JACKSON | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Peoria, Illinois, US | 9 | 2002–2017 |