Inventor
Robert Francis Semrau
Inventor
Ovid, MI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines30%
Y02TClimate change mitigation technologies related to transportation30%
B60WConjoint control of vehicle sub-units of different type or different function10%
F02BInternal-combustion piston engines10%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%
G06FElectric digital data processing10%
PatentTitleYear
10,691,805Resident manufacturing test software based system for mitigating risks associated with vehicle control modules20207,885,756'Multi-pulse spark ignition direct injection torque based system'20117,878,175'Torque reserve and emission control system for coordinated torque control'20115,666,932'EGR valve maintenance method'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Patents assigned to GEN MOTORS CORP (1)· patent assignee history
1997–2020Based in Ovid, MI, US· patent location history
2011Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history
2011Patents assigned to GM GLOBAL TECHNOLOGIES OPERATIONS INC (1)· patent assignee history
2020Patents assigned to GM GLOBAL TECH OPERATIONS LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 1 | 1997 |
| GM GLOBAL TECH OPERATIONS INC | 1 | 2011 |
| GM GLOBAL TECH OPERATIONS LLC | 1 | 2020 |
| GM GLOBAL TECHNOLOGIES OPERATIONS INC | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ovid, MI, US | 4 | 1997–2020 |