Inventor
Maurice G Meyer
Inventor
Defiance, OH, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Cprimary
B22CFoundry moulding24%
B22DCasting of metals24%
F02FCylinders, pistons or casings, for combustion engines12%
F16CShafts12%
C21DModifying the physical structure of ferrous metals6%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys6%
H05BElectric heating6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,253,401Method for relieving residual stress in cast-in-place liners of HPDC engine blocks201910,247,129Cylinder liner for internal combustion engine20199,403,209'Methods for sand core gas evacuation and related systems and apparatus'20169,186,720'Method of simultaneously manufacturing a plurality of crankshafts'20158,533,946'Method of manufacturing a crankshaft'20137,104,307'Casting mold for engine block'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to GEN MOTORS CORP (1)· patent assignee history
2006Based in Freeland, MI, US· patent location history
2013–2015Patents assigned to GM GLOBAL TECH OPERATIONS INC (2)· patent assignee history
2013Patents assigned to HART KEITH (1)· patent assignee history
2013Patents assigned to HELMLE MARK (1)· patent assignee history
2013–2016Based in Defiance, OH, US· patent location history
2016–2019Patents assigned to GM GLOBAL TECH OPERATIONS LLC (3)· patent assignee history
2019Based in Fenton, 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 | 3 | 2016–2019 |
| GM GLOBAL TECH OPERATIONS INC | 2 | 2013–2015 |
| GEN MOTORS CORP | 1 | 2006 |
| HART KEITH | 1 | 2013 |
| HELMLE MARK | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Defiance, OH, US | 3 | 2013–2016 |
| Fenton, MI, US | 2 | 2019 |
| Freeland, MI, US | 1 | 2006 |