Inventor
Mark R. Claywell
Inventor
Birmingham, MI, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Tprimary
Y02TClimate change mitigation technologies related to transportation16%
F02BInternal-combustion piston engines14%
F02DControlling combustion engines8%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%
B60WConjoint control of vehicle sub-units of different type or different function6%
F01MLubricating of machines or engines in general6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general2%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%
PatentTitleYear
11,014,547Exhaust brake torque systems202111,001,247Method for suggesting activation of an exhaust brake202110,982,670Gear pump and gear assembly202110,800,327Enhanced accent lighting202010,801,417Methods and systems for regulating exhaust gas flow202010,690,023Cam slide member actuator for a valvetrain assembly202010,590,928Gear pump that removes air from pumped oil202010,584,629Charge air cooler system202010,480,507Gerotor assembly having an oil groove201910,443,487Non-circular gears for rotary wastegate actuator201910,415,442Internal combustion engine with oil warming with directed spray in cylinder head201910,294,878Wastegate control systems and methods for engine sound emission201910,190,486Turbocharger with twin waste-gate valves201910,072,565Wastegate closed position detent feature201810,015,596Engine sound audio control systems and methods based on intake and/or exhaust temperature20189,995,256Charge-air cooler with plenum partition20189,908,531'Method and apparatus for detecting size of person prior to entering a space'20189,556,764'Individual piston squirter switching with crankangle resolved control'20179,004,047'Engine assembly having a baffle in the intake manifold'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history
2015–2021Based in Birmingham, MI, US· patent location history
2017–2021Patents assigned to GM GLOBAL TECH OPERATIONS LLC (18)· patent assignee history
2019Based in Brimingham, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS LLC | 18 | 2017–2021 |
| GM GLOBAL TECH OPERATIONS INC | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Birmingham, MI, US | 18 | 2015–2021 |
| Brimingham, MI, US | 1 | 2019 |