H05B 31/08
Carbon electrodes
H05B31/08 (Carbon electrodes) appears on 2 US grants and 0 published applications in this corpus.
Search patents in H05B- Granted patents
- 2
- Published applications
- 0
- Assignees
- 0
- Inventors
- 2
- Latest grant
- 6 Jan 1981
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Granted patents
Recent patents
No published applications in this class yet.
Most cited
By later US patents