Inventor
Stephen M. Cooper
Inventor
Pittsfield, MA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients22%
C08LCompositions of macromolecular compounds11%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel11%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g11%
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers11%
G02BOptical elements, systems or apparatus11%
PatentTitleYear
5,521,258'Autoclave resistant blends of poly(ester-carbonate) and polyetherimide resins'19965,435,139'Removable combustor liner for gas turbine engine combustor'19954,634,760'Novel copolyimides and polyamic acid precursors therefor'19874,550,976'Fiber optic cable with foamed plastic dummy members'19854,504,650'Copolyetherimides and process of preparation'19854,407,996'Stabilized polycarbonate compositions'19834,362,829'Polycarbonates stabilized with sulfolane derivatives'19824,209,325'Desulphuration of metals'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to FOSECO INT (1)· patent assignee history
1982–1996Patents assigned to GEN ELECTRIC (5)· patent assignee history
1982–1985Based in Pittsfield, MA, US· patent location history
1985Patents assigned to SIECOR CORP (1)· patent assignee history
1985Based in Hickory, NC, US· patent location history
1987Based in Evansville, IN, US· patent location history
1995Patents assigned to ROLLS ROYCE PLC (1)· patent assignee history
1995Based in Derby, GB· patent location history
1996Based in Newburgh, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 5 | 1982–1996 |
| FOSECO INT | 1 | 1980 |
| ROLLS ROYCE PLC | 1 | 1995 |
| SIECOR CORP | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsfield, Massachusetts, US | 3 | 1982–1985 |
| Newburgh, IN, US | 1 | 1996 |
| Derby, GB | 1 | 1995 |
| Evansville, IN, US | 1 | 1987 |
| Hickory, NC, US | 1 | 1985 |