Inventor
David S. Eddy
Inventor
Washington, MI, US
Overview
11→
Patents
1977–2009
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
G01CMeasuring distances, levels or bearings7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
B05DProcesses for applying fluent materials to surfaces, in general4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals4%
C04BLime, magnesia4%
C22CAlloys4%
PatentTitleYear
7,575,826'Fuel cell with metal alloy contacts that form passivating conductive oxide surfaces'20097,575,827'Conductive coatings for PEM fuel cell electrodes'20097,037,617'Conductive coatings for PEM fuel cell electrodes'20066,809,436'Microactuator having a ferromagnetic substrate'20046,746,584'Oxygen sensing device'20045,450,751'Microstructure for vibratory gyroscope'19955,383,362'Control for vibratory gyroscope'19955,233,874'Active microaccelerometer'19934,477,771'Microwave detection of soot content in a particulate trap'19844,166,201'Ignition distributor electrode for suppressing radio frequency interference'19794,052,538'Method of making sodium beta-alumina powder and sintered articles'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1995Patents assigned to GEN MOTORS CORP (6)· patent assignee history
1977–1993Based in Romeo, MI, US· patent location history
1995–2009Based in Washington, MI, US· patent location history
2004–2009Patents assigned to DELPHI TECH INC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 6 | 1977–1995 |
| DELPHI TECH INC | 5 | 2004–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Washington, MI, US | 7 | 1995–2009 |
| Romeo, MI, US | 4 | 1977–1993 |