Inventor
Eric C. Douse
Inventor
Bloomfield Hills, MI, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines26%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof22%
F02BInternal-combustion piston engines9%
F02FCylinders, pistons or casings, for combustion engines9%
Y02TClimate change mitigation technologies related to transportation9%
Y10TTechnical subjects covered by former us classification9%
F01MLubricating of machines or engines in general4%
F02DControlling combustion engines4%
F16CShafts4%
F16HGearing4%
PatentTitleYear
10,190,482Air inlet assembly for an internal combustion engine20199,574,537'Fuel rail for an internal combustion engine'20179,574,522'Assembly with cylinder head having integrated exhaust manifold and method of manufacturing same'20178,943,797'Cylinder head with symmetric intake and exhaust passages'20158,794,204'Valvetrain for overhead valve engine'20148,662,033'Modular engine assembly and fluid control assembly for hydraulically-actuated mechanism'20148,528,510'Intake manifold'20137,878,168'High performance overhead valvetrain assembly'20117,753,017'Hydraulically lashed end pivot rocker arm'20106,962,134'Rocker arm shaft retainer and assembly'20056,811,506'Engine accessory belt drive with self-aligning pulley'20046,769,387'Compact two-step rocker arm assembly'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2005Patents assigned to GEN MOTORS CORP (3)· patent assignee history
2004–2011Based in Pontiac, MI, US· patent location history
2010–2015Patents assigned to GM GLOBAL TECH OPERATIONS INC (6)· patent assignee history
2013–2015Patents assigned to DOUSE ERIC C (4)· patent assignee history
2013–2015Patents assigned to HAYMAN ALAN W (4)· patent assignee history
2013–2019Based in Bloomfield Hills, MI, US· patent location history
2017–2019Patents assigned to GM GLOBAL TECH OPERATIONS LLC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS INC | 6 | 2010–2015 |
| DOUSE ERIC Cself | 4 | 2013–2015 |
| HAYMAN ALAN W | 4 | 2013–2015 |
| GEN MOTORS CORP | 3 | 2004–2005 |
| GM GLOBAL TECH OPERATIONS LLC | 3 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bloomfield Hills, MI, US | 7 | 2013–2019 |
| Pontiac, MI, US | 5 | 2004–2011 |