Inventor
Douglas J. Harvey
Inventor
Sterling Heights, MI, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification19%
B23KSoldering or unsoldering15%
B23PMetal-working not otherwise provided for15%
F02PIgnition, other than compression ignition, for internal-combustion engines12%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy12%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution12%
H01HElectric switches8%
B22CFoundry moulding4%
B22DCasting of metals4%
PatentTitleYear
4,711,288'Halide treatment for aluminum lost foam casting process'19874,374,904'Tin-base body solder'19834,362,576'Method of making tin-base body solder and product'19824,358,884'Tin-base body solder'19824,342,343'Method of making a negative lead-acid storage battery plate'19824,286,362'Lightweight laminated grid for lead acid-storage batteries'19814,248,905'Tin-base body solder'19814,224,068'Method of making distributor rotor electrode containing dielectric bodies for suppressing radio frequency interference'19804,221,854'Lightweight laminated grid for lead-acid storage batteries'19804,166,201'Ignition distributor electrode for suppressing radio frequency interference'19794,165,452'Ignition distributor electrode for suppressing radio frequency interference'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1987Patents assigned to GEN MOTORS CORP (11)· patent assignee history
1979–1987Based in Sterling Heights, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 11 | 1979–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sterling Heights, MI, US | 11 | 1979–1987 |