Inventor
Earl G. Brewer
Inventor
Warren, MI, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets50%
B22FWorking metallic powder14%
H10NElectric solid-state devices not otherwise provided for14%
G01BMeasuring length, thickness or similar linear dimensions7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
5,993,565'Magnetostrictive composites'19995,985,049'Magnetostrictive composites'19995,395,458'Method to enhance the thermomechanical properties of hot-formed magnets and magnets formed thereby'19955,085,716'Hot worked rare earth-iron-carbon magnets'19925,037,492'Alloying low-level additives into hot-worked Nd-Fe-B magnets'19914,966,633'Coercivity in hot worked iron-neodymium boron type permanent magnets'19904,920,009'Method for producing laminated bodies comprising an RE-FE-B type magnetic layer and a metal backing layer'19904,881,985'Method for producing anisotropic RE-FE-B type magnetically aligned material'19894,859,410'Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically aligned material'19894,292,851'Copper grid for strain analysis of sheet metal deformation'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1999Patents assigned to GEN MOTORS CORP (10)· patent assignee history
1981–1995Based in Warren, MI, US· patent location history
1999Based in Macomb Township, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 10 | 1981–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Warren, MI, US | 8 | 1981–1995 |
| Macomb Township, MI, US | 2 | 1999 |