Stackpole Carbon Company
St. Marys, PA, US· latest recorded location
Stackpole Carbon Company is named on 7 US grants and 0 published applications in this corpus. Its most frequent classification is H02K (Dynamo-electric machines).
- Granted patents
- 7
- Published applications
- 0
- Inventors
- 11
- Granted in 2026 so far
- 0
- Most recent grant
- 25 Nov 1980
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
By publication year.
Technology areas
Share of 7 documents
Recent patents
- Graphite molding powder and method of preparation25 Nov 1980US 4,235,859 A
- Electric motor brush holder31 Jul 1979US 4,163,167 A
- Hair setting roller29 Aug 1978US 4,109,667 A
- Process for making high strength flexible graphite foil25 Jul 1978US 4,102,960 A
- Electric motor brush mounting22 Nov 1977US 4,059,776 A
No published applications.
Most cited
By later US patents