B61L 5/206
Signalling means for special purposes
Official title: {Signalling means for special purposes}
B61L5/206 (Signalling means for special purposes) appears on 2 US grants and 5 published applications in this corpus.
Search patents in B61L- Granted patents
- 2
- Published applications
- 5
- Assignees
- 4
- Inventors
- 4
- Latest grant
- 30 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year.
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Most cited
By later US patents